Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W3104761604', 'doi': 'https://doi.org/10.1051/0004-6361/201321060', 'title': 'Can dark energy emerge from quantum effects in a compact extra dimension?', 'display_name': 'Can dark energy emerge from quantum effects in a compact extra dimension?', 'publication_year': 2013, 'publication_date': '2013-06-01', 'ids': {'openalex': 'https://openalex.org/W3104761604', 'doi': 'https://doi.org/10.1051/0004-6361/201321060', 'mag': '3104761604'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1051/0004-6361/201321060', 'pdf_url': 'https://www.aanda.org/articles/aa/pdf/2013/06/aa21060-13.pdf', 'source': {'id': 'https://openalex.org/S205231332', 'display_name': 'Astronomy and Astrophysics', 'issn_l': '0004-6361', 'issn': ['0004-6361', '1432-0746'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319748', 'host_organization_name': 'EDP Sciences', 'host_organization_lineage': ['https://openalex.org/P4310319748'], 'host_organization_lineage_names': ['EDP Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['arxiv', 'crossref', 'datacite'], 'open_access': {'is_oa': True, 'oa_status': 'bronze', 'oa_url': 'https://www.aanda.org/articles/aa/pdf/2013/06/aa21060-13.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5028459842', 'display_name': 'Arnaud Dupays', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210121877', 'display_name': 'Institut de Recherche sur les Systèmes Atomiques et Moléculaires Complexes', 'ror': 'https://ror.org/02h158026', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I134560555', 'https://openalex.org/I4210121877']}, {'id': 'https://openalex.org/I17866349', 'display_name': 'Université de Toulouse', 'ror': 'https://ror.org/004raaa70', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I17866349']}, {'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}, {'id': 'https://openalex.org/I4210165452', 'display_name': 'Institut de Recherche en Astrophysique et Planétologie', 'ror': 'https://ror.org/05hm2ja81', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I134560555', 'https://openalex.org/I2799535048', 'https://openalex.org/I4210148025', 'https://openalex.org/I4210165452']}, {'id': 'https://openalex.org/I1294671590', 'display_name': 'Centre National de la Recherche Scientifique', 'ror': 'https://ror.org/02feahw73', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I1294671590']}, {'id': 'https://openalex.org/I4210140895', 'display_name': 'Laboratoire Collisions Agrégats Réactivité', 'ror': 'https://ror.org/0416g8z79', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I134560555', 'https://openalex.org/I196454796', 'https://openalex.org/I4210098836', 'https://openalex.org/I4210140895', 'https://openalex.org/I4388446414']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'A. Dupays', 'raw_affiliation_strings': ['CNRS, IRAP, 14, avenue Edouard Belin, 31400 Toulouse, France', 'Université de Toulouse, UPS, Laboratoire Collisions Agrégats Réactivité, IRSAMC, 31062 Toulouse, France', 'Université de Toulouse, UPS-OMP, IRAP, 31400 Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'Université de Toulouse, UPS, Laboratoire Collisions Agrégats Réactivité, IRSAMC, 31062 Toulouse, France', 'institution_ids': ['https://openalex.org/I4210121877', 'https://openalex.org/I17866349', 'https://openalex.org/I4210140895']}, {'raw_affiliation_string': 'Université de Toulouse, UPS-OMP, IRAP, 31400 Toulouse, France', 'institution_ids': ['https://openalex.org/I17866349', 'https://openalex.org/I134560555']}, {'raw_affiliation_string': 'CNRS, IRAP, 14, avenue Edouard Belin, 31400 Toulouse, France', 'institution_ids': ['https://openalex.org/I4210165452', 'https://openalex.org/I1294671590']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5034256385', 'display_name': 'Brahim Lamine', 'orcid': 'https://orcid.org/0000-0002-9416-2320'}, 'institutions': [{'id': 'https://openalex.org/I1294671590', 'display_name': 'Centre National de la Recherche Scientifique', 'ror': 'https://ror.org/02feahw73', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I1294671590']}, {'id': 'https://openalex.org/I4210165452', 'display_name': 'Institut de Recherche en Astrophysique et Planétologie', 'ror': 'https://ror.org/05hm2ja81', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I134560555', 'https://openalex.org/I2799535048', 'https://openalex.org/I4210148025', 'https://openalex.org/I4210165452']}, {'id': 'https://openalex.org/I2801195679', 'display_name': 'Laboratoire Kastler Brossel', 'ror': 'https://ror.org/01h14ww21', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I187986737', 'https://openalex.org/I2801195679', 'https://openalex.org/I29607241', 'https://openalex.org/I39804081', 'https://openalex.org/I4210098836']}, {'id': 'https://openalex.org/I17866349', 'display_name': 'Université de Toulouse', 'ror': 'https://ror.org/004raaa70', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I17866349']}, {'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'B. Lamine', 'raw_affiliation_strings': ['CNRS, IRAP, 14, avenue Edouard Belin, 31400 Toulouse, France', 'CNRS, UMR 8552, 75252 Paris, France', 'Université Pierre et Marie Curie, UPMC, ENS, Laboratoire Kastler Brossel, 75252 Paris Cedex 05, France', 'Université de Toulouse, UPS-OMP, IRAP, 31400 Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'CNRS, UMR 8552, 75252 Paris, France', 'institution_ids': ['https://openalex.org/I1294671590']}, {'raw_affiliation_string': 'CNRS, IRAP, 14, avenue Edouard Belin, 31400 Toulouse, France', 'institution_ids': ['https://openalex.org/I4210165452', 'https://openalex.org/I1294671590']}, {'raw_affiliation_string': 'Université Pierre et Marie Curie, UPMC, ENS, Laboratoire Kastler Brossel, 75252 Paris Cedex 05, France', 'institution_ids': ['https://openalex.org/I2801195679']}, {'raw_affiliation_string': 'Université de Toulouse, UPS-OMP, IRAP, 31400 Toulouse, France', 'institution_ids': ['https://openalex.org/I17866349', 'https://openalex.org/I134560555']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5067798977', 'display_name': 'Alain Blanchard', 'orcid': 'https://orcid.org/0000-0001-8555-9003'}, 'institutions': [{'id': 'https://openalex.org/I4210165452', 'display_name': 'Institut de Recherche en Astrophysique et Planétologie', 'ror': 'https://ror.org/05hm2ja81', 'country_code': 'FR', 'type': 'facility', 'lineage': ['https://openalex.org/I1294671590', 'https://openalex.org/I134560555', 'https://openalex.org/I2799535048', 'https://openalex.org/I4210148025', 'https://openalex.org/I4210165452']}, {'id': 'https://openalex.org/I1294671590', 'display_name': 'Centre National de la Recherche Scientifique', 'ror': 'https://ror.org/02feahw73', 'country_code': 'FR', 'type': 'government', 'lineage': ['https://openalex.org/I1294671590']}, {'id': 'https://openalex.org/I17866349', 'display_name': 'Université de Toulouse', 'ror': 'https://ror.org/004raaa70', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I17866349']}, {'id': 'https://openalex.org/I134560555', 'display_name': 'Université Toulouse III - Paul Sabatier', 'ror': 'https://ror.org/02v6kpv12', 'country_code': 'FR', 'type': 'education', 'lineage': ['https://openalex.org/I134560555']}], 'countries': ['FR'], 'is_corresponding': False, 'raw_author_name': 'A. Blanchard', 'raw_affiliation_strings': ['CNRS, IRAP, 14, avenue Edouard Belin, 31400 Toulouse, France', 'Université de Toulouse, UPS-OMP, IRAP, 31400 Toulouse, France'], 'affiliations': [{'raw_affiliation_string': 'CNRS, IRAP, 14, avenue Edouard Belin, 31400 Toulouse, France', 'institution_ids': ['https://openalex.org/I4210165452', 'https://openalex.org/I1294671590']}, {'raw_affiliation_string': 'Université de Toulouse, UPS-OMP, IRAP, 31400 Toulouse, France', 'institution_ids': ['https://openalex.org/I17866349', 'https://openalex.org/I134560555']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 7, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.647, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 12, 'citation_normalized_percentile': {'value': 0.8379, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 87, 'max': 88}, 'biblio': {'volume': '554', 'issue': None, 'first_page': 'A60', 'last_page': 'A60'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10095', 'display_name': 'Cosmological Parameters and Dark Energy', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10095', 'display_name': 'Cosmological Parameters and Dark Energy', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T12220', 'display_name': 'Casimir Effect Research', 'score': 0.9989, 'subfield': {'id': 'https://openalex.org/subfields/3107', 'display_name': 'Atomic and Molecular Physics, and Optics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11415', 'display_name': 'Quantum Gravity and Noncommutative Field Theories', 'score': 0.9986, 'subfield': {'id': 'https://openalex.org/subfields/3109', 'display_name': 'Statistical and Nonlinear Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/dynamical-casimir-effect', 'display_name': 'Dynamical Casimir Effect', 'score': 0.544929}, {'id': 'https://openalex.org/keywords/loop-quantum-cosmology', 'display_name': 'Loop Quantum Cosmology', 'score': 0.537379}, {'id': 'https://openalex.org/keywords/cosmological-constant-problem', 'display_name': 'Cosmological constant problem', 'score': 0.5196244}, {'id': 'https://openalex.org/keywords/cosmological-constant', 'display_name': 'Cosmological constant', 'score': 0.49845147}, {'id': 'https://openalex.org/keywords/big-rip', 'display_name': 'Big Rip', 'score': 0.42895275}, {'id': 'https://openalex.org/keywords/quantum-fluctuation', 'display_name': 'Quantum fluctuation', 'score': 0.41292727}], 'concepts': [{'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.8290654}, {'id': 'https://openalex.org/C172790937', 'wikidata': 'https://www.wikidata.org/wiki/Q18343', 'display_name': 'Dark energy', 'level': 3, 'score': 0.74495846}, {'id': 'https://openalex.org/C6947382', 'wikidata': 'https://www.wikidata.org/wiki/Q1143773', 'display_name': 'Vacuum energy', 'level': 2, 'score': 0.7179068}, {'id': 'https://openalex.org/C20154449', 'wikidata': 'https://www.wikidata.org/wiki/Q1129469', 'display_name': 'Metric expansion of space', 'level': 4, 'score': 0.6676172}, {'id': 'https://openalex.org/C106881136', 'wikidata': 'https://www.wikidata.org/wiki/Q275393', 'display_name': 'Casimir effect', 'level': 2, 'score': 0.59016186}, {'id': 'https://openalex.org/C33332235', 'wikidata': 'https://www.wikidata.org/wiki/Q18362', 'display_name': 'Theoretical physics', 'level': 1, 'score': 0.5246998}, {'id': 'https://openalex.org/C2781296076', 'wikidata': 'https://www.wikidata.org/wiki/Q4379531', 'display_name': 'Cosmological constant problem', 'level': 4, 'score': 0.5196244}, {'id': 'https://openalex.org/C166861157', 'wikidata': 'https://www.wikidata.org/wiki/Q59151', 'display_name': 'Cosmological constant', 'level': 2, 'score': 0.49845147}, {'id': 'https://openalex.org/C19262093', 'wikidata': 'https://www.wikidata.org/wiki/Q3036474', 'display_name': 'De Sitter universe', 'level': 3, 'score': 0.47848958}, {'id': 'https://openalex.org/C71993908', 'wikidata': 'https://www.wikidata.org/wiki/Q1093427', 'display_name': 'Lorentz covariance', 'level': 3, 'score': 0.46001622}, {'id': 'https://openalex.org/C124017977', 'wikidata': 'https://www.wikidata.org/wiki/Q11412', 'display_name': 'Gravitation', 'level': 2, 'score': 0.4560809}, {'id': 'https://openalex.org/C84999194', 'wikidata': 'https://www.wikidata.org/wiki/Q1', 'display_name': 'Universe', 'level': 2, 'score': 0.44980964}, {'id': 'https://openalex.org/C11346066', 'wikidata': 'https://www.wikidata.org/wiki/Q261585', 'display_name': 'Big Rip', 'level': 5, 'score': 0.42895275}, {'id': 'https://openalex.org/C141886431', 'wikidata': 'https://www.wikidata.org/wiki/Q1193821', 'display_name': 'Quantum fluctuation', 'level': 3, 'score': 0.41292727}, {'id': 'https://openalex.org/C103874350', 'wikidata': 'https://www.wikidata.org/wiki/Q179916', 'display_name': "Hubble's law", 'level': 4, 'score': 0.41193724}, {'id': 'https://openalex.org/C74650414', 'wikidata': 'https://www.wikidata.org/wiki/Q11397', 'display_name': 'Classical mechanics', 'level': 1, 'score': 0.40295824}, {'id': 'https://openalex.org/C26405456', 'wikidata': 'https://www.wikidata.org/wiki/Q338', 'display_name': 'Cosmology', 'level': 2, 'score': 0.40192485}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.36290592}, {'id': 'https://openalex.org/C84114770', 'wikidata': 'https://www.wikidata.org/wiki/Q46344', 'display_name': 'Quantum', 'level': 2, 'score': 0.30460823}, {'id': 'https://openalex.org/C5667645', 'wikidata': 'https://www.wikidata.org/wiki/Q217255', 'display_name': 'Lorentz transformation', 'level': 2, 'score': 0.18827775}], 'mesh': [], 'locations_count': 10, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1051/0004-6361/201321060', 'pdf_url': 'https://www.aanda.org/articles/aa/pdf/2013/06/aa21060-13.pdf', 'source': {'id': 'https://openalex.org/S205231332', 'display_name': 'Astronomy and Astrophysics', 'issn_l': '0004-6361', 'issn': ['0004-6361', '1432-0746'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319748', 'host_organization_name': 'EDP Sciences', 'host_organization_lineage': ['https://openalex.org/P4310319748'], 'host_organization_lineage_names': ['EDP Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://hal.archives-ouvertes.fr/hal-00771476', 'pdf_url': 'https://hal.science/hal-00771476/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/1301.1763', 'pdf_url': 'https://arxiv.org/pdf/1301.1763', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.archives-ouvertes.fr/hal-00771476v2/document', 'pdf_url': 'https://hal.archives-ouvertes.fr/hal-00771476v2/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.archives-ouvertes.fr/hal-00771476/file/Lamine_final_2.pdf', 'pdf_url': 'https://hal.archives-ouvertes.fr/hal-00771476/file/Lamine_final_2.pdf', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.archives-ouvertes.fr/hal-00771476v2/file/Lamine_final_2.pdf', 'pdf_url': 'https://hal.archives-ouvertes.fr/hal-00771476v2/file/Lamine_final_2.pdf', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.science/hal-00771476v2/file/Lamine_final_2.pdf', 'pdf_url': 'https://hal.science/hal-00771476v2/file/Lamine_final_2.pdf', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'https://hal.science/hal-00771476v2/document', 'pdf_url': 'https://hal.science/hal-00771476v2/document', 'source': {'id': 'https://openalex.org/S4306402512', 'display_name': 'HAL (Le Centre pour la Communication Scientifique Directe)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1294671590', 'host_organization_name': 'Centre National de la Recherche Scientifique', 'host_organization_lineage': ['https://openalex.org/I1294671590'], 'host_organization_lineage_names': ['Centre National de la Recherche Scientifique'], 'type': 'repository'}, 'license': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://arxiv.org/abs/1301.1763', 'pdf_url': 'http://arxiv.org/pdf/1301.1763', 'source': {'id': 'https://openalex.org/S4306400194', 'display_name': 'arXiv (Cornell University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I205783295', 'host_organization_name': 'Cornell University', 'host_organization_lineage': ['https://openalex.org/I205783295'], 'host_organization_lineage_names': ['Cornell University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.1301.1763', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4393179698', 'display_name': 'DataCite API', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I4210145204', 'host_organization_name': 'DataCite', 'host_organization_lineage': ['https://openalex.org/I4210145204'], 'host_organization_lineage_names': ['DataCite'], 'type': 'metadata'}, 'license': None, 'license_id': None, 'version': None}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1051/0004-6361/201321060', 'pdf_url': 'https://www.aanda.org/articles/aa/pdf/2013/06/aa21060-13.pdf', 'source': {'id': 'https://openalex.org/S205231332', 'display_name': 'Astronomy and Astrophysics', 'issn_l': '0004-6361', 'issn': ['0004-6361', '1432-0746'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319748', 'host_organization_name': 'EDP Sciences', 'host_organization_lineage': ['https://openalex.org/P4310319748'], 'host_organization_lineage_names': ['EDP Sciences'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/7', 'display_name': 'Affordable and clean energy', 'score': 0.89}], 'grants': [], 'datasets': [], 'versions': ['https://openalex.org/W1978653438', 'https://openalex.org/W3104761604'], 'referenced_works_count': 60, 'referenced_works': ['https://openalex.org/W1553777525', 'https://openalex.org/W1581228648', 'https://openalex.org/W1853767801', 'https://openalex.org/W1969158612', 'https://openalex.org/W1978448201', 'https://openalex.org/W1978462503', 'https://openalex.org/W1978710384', 'https://openalex.org/W1981117060', 'https://openalex.org/W1983233159', 'https://openalex.org/W1983357614', 'https://openalex.org/W1986115234', 'https://openalex.org/W1988901957', 'https://openalex.org/W1991305676', 'https://openalex.org/W2002477404', 'https://openalex.org/W2004188331', 'https://openalex.org/W2004529565', 'https://openalex.org/W2005802596', 'https://openalex.org/W2014421248', 'https://openalex.org/W2027413505', 'https://openalex.org/W2038133313', 'https://openalex.org/W2041953852', 'https://openalex.org/W2051561751', 'https://openalex.org/W2056173066', 'https://openalex.org/W2064777467', 'https://openalex.org/W2073603601', 'https://openalex.org/W2073832139', 'https://openalex.org/W2077276863', 'https://openalex.org/W2077918016', 'https://openalex.org/W2078093606', 'https://openalex.org/W2082190487', 'https://openalex.org/W2096728439', 'https://openalex.org/W2097455345', 'https://openalex.org/W2098948990', 'https://openalex.org/W2100512262', 'https://openalex.org/W2102197207', 'https://openalex.org/W2102660738', 'https://openalex.org/W2108973526', 'https://openalex.org/W2124201226', 'https://openalex.org/W2124814863', 'https://openalex.org/W2127081456', 'https://openalex.org/W2141161241', 'https://openalex.org/W2149068166', 'https://openalex.org/W2163065631', 'https://openalex.org/W2165191843', 'https://openalex.org/W2223033689', 'https://openalex.org/W2328056177', 'https://openalex.org/W2600699629', 'https://openalex.org/W2639407465', 'https://openalex.org/W2974006250', 'https://openalex.org/W2996579485', 'https://openalex.org/W3098562375', 'https://openalex.org/W3098857300', 'https://openalex.org/W3099633348', 'https://openalex.org/W3100642464', 'https://openalex.org/W3102279937', 'https://openalex.org/W3105202445', 'https://openalex.org/W3105954544', 'https://openalex.org/W3121619938', 'https://openalex.org/W3124439296', 'https://openalex.org/W4298135279'], 'related_works': ['https://openalex.org/W55005297', 'https://openalex.org/W4322759233', 'https://openalex.org/W4281627394', 'https://openalex.org/W3100918040', 'https://openalex.org/W2744685529', 'https://openalex.org/W2301086390', 'https://openalex.org/W1667029682', 'https://openalex.org/W1602886050', 'https://openalex.org/W1577334783', 'https://openalex.org/W1521341373'], 'abstract_inverted_index': {'The': [0, 91], 'origin': [1], 'of': [2, 6, 9, 16, 24, 27, 33, 66, 88, 97, 101, 114, 149, 173, 185], 'the': [3, 7, 10, 25, 30, 34, 64, 67, 75, 85, 89, 98, 102, 129, 134, 152, 186], 'observed': [4], 'acceleration': [5, 65], 'expansion': [8], 'universe': [11, 35], 'is': [12, 54, 94, 119], 'a': [13, 52, 60, 80, 95, 106, 137, 140, 145, 162, 171, 174, 183], 'major': [14], 'problem': [15], 'modern': [17], 'cosmology': [18], 'and': [19, 156], 'theoretical': [20], 'physics.': [21], 'Simple': [22], 'estimations': [23], 'contribution': [26, 53, 77, 138], 'vacuum': [28, 76], 'to': [29, 42, 44, 49, 84, 120, 133], 'density': [31, 86], 'energy': [32, 87, 142], 'in': [36, 151], 'quantum': [37, 99], 'field': [38], 'theory': [39], 'are': [40], 'known': [41], 'lead': [43], 'catastrophic': [45], 'large': [46], 'values': [47], 'compared': [48], 'observations.': [50], 'Such': [51, 136], 'therefore': [55], 'generally': [56], 'not': [57], 'regarded': [58], 'as': [59, 161], 'viable': [61], 'source': [62], 'for': [63, 170], 'expansion.': [68], 'In': [69], 'this': [70, 192], 'letter': [71], 'we': [72], 'propose': [73], 'that': [74, 122], 'actually': [78], 'provides': [79], 'small': [81], 'positive': [82, 141], 'value': [83, 166], 'universe.': [90], 'underlying': [92], 'mechanism': [93], 'manifestation': [96], 'nature': [100], 'gravitational': [103, 187], 'field,': [104], 'through': [105], 'Casimir-like': [107], 'effect': [108], 'from': [109, 199], 'an': [110], 'additional': [111], 'compact': [112], 'dimension': [113, 177], 'space.': [115], 'A': [116], 'key': [117], 'ingredient': [118], 'assume': [121], 'only': [123], 'modes': [124], 'with': [125, 168], 'wavelength': [126], 'shorter': [127], 'than': [128], 'Hubble': [130], 'length': [131], 'contribute': [132], 'vacuum.': [135], 'gives': [139], 'density,': [143], 'has': [144], 'Lorentz': [146], 'invariant': [147], 'equation': [148], 'state': [150], 'usual': [153], '4D': [154], 'spacetime': [155], 'hence': [157], 'can': [158], 'be': [159], 'interpreted': [160], 'cosmological': [163], 'constant.': [164], 'Its': [165], 'agrees': [167], 'observations': [169], 'radius': [172], '5th': [175], 'extra': [176], 'given': [178], 'by': [179], '$35\\,\\mu$m.': [180], 'This': [181], 'implies': [182], 'modification': [184], 'inverse': [188], 'square': [189], 'law': [190], 'around': [191], 'scale,': [193], 'close': [194], 'but': [195], 'below': [196], 'existing': [197], 'limits': [198], 'experiments': [200], 'testing': [201], 'gravity': [202], 'at': [203], 'short': [204], 'range.': [205]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W3104761604', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 1}, {'year': 2015, 'cited_by_count': 1}, {'year': 2014, 'cited_by_count': 1}, {'year': 2013, 'cited_by_count': 2}], 'updated_date': '2024-09-15T01:53:53.371939', 'created_date': '2020-11-23'}