Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2073677165', 'doi': 'https://doi.org/10.1016/0375-9601(73)90089-3', 'title': 'Spectrum of 3He atoms in superfluid 4He', 'display_name': 'Spectrum of 3He atoms in superfluid 4He', 'publication_year': 1973, 'publication_date': '1973-10-01', 'ids': {'openalex': 'https://openalex.org/W2073677165', 'doi': 'https://doi.org/10.1016/0375-9601(73)90089-3', 'mag': '2073677165'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0375-9601(73)90089-3', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S104875562', 'display_name': 'Physics Letters A', 'issn_l': '0375-9601', 'issn': ['0375-9601', '1873-2429'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5010660398', 'display_name': 'C. M. Varma', 'orcid': None}, 'institutions': [], 'countries': ['US'], 'is_corresponding': True, 'raw_author_name': 'C.M. Varma', 'raw_affiliation_strings': ['Bell Laboratories, Murray Hill. New Jersey 07974, USA'], 'affiliations': [{'raw_affiliation_string': 'Bell Laboratories, Murray Hill. New Jersey 07974, USA', 'institution_ids': []}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5010660398'], 'corresponding_institution_ids': [], 'apc_list': {'value': 2680, 'currency': 'USD', 'value_usd': 2680, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 0.252, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 17, 'citation_normalized_percentile': {'value': 0.669374, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 87, 'max': 88}, 'biblio': {'volume': '45', 'issue': '4', 'first_page': '301', 'last_page': '302'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11965', 'display_name': 'Quantum, superfluid, helium dynamics', 'score': 0.9998, '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'}}, 'topics': [{'id': 'https://openalex.org/T11965', 'display_name': 'Quantum, superfluid, helium dynamics', 'score': 0.9998, '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/T11993', 'display_name': 'Atomic and Subatomic Physics Research', 'score': 0.9967, '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/T10425', 'display_name': 'Cold Atom Physics and Bose-Einstein Condensates', 'score': 0.981, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/roton', 'display_name': 'Roton', 'score': 0.9091909}, {'id': 'https://openalex.org/keywords/isotopes-of-helium', 'display_name': 'Isotopes of helium', 'score': 0.6867142}, {'id': 'https://openalex.org/keywords/helium-3', 'display_name': 'Helium-3', 'score': 0.5229379}, {'id': 'https://openalex.org/keywords/quantum-vortex', 'display_name': 'Quantum vortex', 'score': 0.416939}], 'concepts': [{'id': 'https://openalex.org/C75745590', 'wikidata': 'https://www.wikidata.org/wiki/Q1086480', 'display_name': 'Roton', 'level': 4, 'score': 0.9091909}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.90554094}, {'id': 'https://openalex.org/C25536358', 'wikidata': 'https://www.wikidata.org/wiki/Q106667', 'display_name': 'Superfluidity', 'level': 2, 'score': 0.90517235}, {'id': 'https://openalex.org/C20443986', 'wikidata': 'https://www.wikidata.org/wiki/Q466960', 'display_name': 'Isotopes of helium', 'level': 3, 'score': 0.6867142}, {'id': 'https://openalex.org/C191486275', 'wikidata': 'https://www.wikidata.org/wiki/Q210028', 'display_name': 'Scattering', 'level': 2, 'score': 0.58062077}, {'id': 'https://openalex.org/C15522680', 'wikidata': 'https://www.wikidata.org/wiki/Q1151346', 'display_name': 'Helium-4', 'level': 3, 'score': 0.57439363}, {'id': 'https://openalex.org/C2914606', 'wikidata': 'https://www.wikidata.org/wiki/Q533498', 'display_name': 'Helium-3', 'level': 2, 'score': 0.5229379}, {'id': 'https://openalex.org/C26873012', 'wikidata': 'https://www.wikidata.org/wiki/Q214781', 'display_name': 'Condensed matter physics', 'level': 1, 'score': 0.51838356}, {'id': 'https://openalex.org/C49024897', 'wikidata': 'https://www.wikidata.org/wiki/Q7643352', 'display_name': 'Superfluid helium-4', 'level': 3, 'score': 0.49938273}, {'id': 'https://openalex.org/C58312451', 'wikidata': 'https://www.wikidata.org/wiki/Q4817200', 'display_name': 'Atom (system on chip)', 'level': 2, 'score': 0.482602}, {'id': 'https://openalex.org/C156778621', 'wikidata': 'https://www.wikidata.org/wiki/Q1365748', 'display_name': 'Spectrum (functional analysis)', 'level': 2, 'score': 0.45849147}, {'id': 'https://openalex.org/C184779094', 'wikidata': 'https://www.wikidata.org/wiki/Q26383', 'display_name': 'Atomic physics', 'level': 1, 'score': 0.44084772}, {'id': 'https://openalex.org/C106870365', 'wikidata': 'https://www.wikidata.org/wiki/Q844778', 'display_name': 'Quantum vortex', 'level': 4, 'score': 0.416939}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.21699592}, {'id': 'https://openalex.org/C546029482', 'wikidata': 'https://www.wikidata.org/wiki/Q560', 'display_name': 'Helium', 'level': 2, 'score': 0.16620648}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C149635348', 'wikidata': 'https://www.wikidata.org/wiki/Q193040', 'display_name': 'Embedded system', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/0375-9601(73)90089-3', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S104875562', 'display_name': 'Physics Letters A', 'issn_l': '0375-9601', 'issn': ['0375-9601', '1873-2429'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 2, 'referenced_works': ['https://openalex.org/W2033344245', 'https://openalex.org/W2066170721'], 'related_works': ['https://openalex.org/W2978611112', 'https://openalex.org/W2307931782', 'https://openalex.org/W2276503399', 'https://openalex.org/W2261926479', 'https://openalex.org/W2261684145', 'https://openalex.org/W2073677165', 'https://openalex.org/W2010975340', 'https://openalex.org/W2006995848', 'https://openalex.org/W1983899396', 'https://openalex.org/W1480485003'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2073677165', 'counts_by_year': [{'year': 2020, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 1}], 'updated_date': '2024-12-16T20:57:24.164056', 'created_date': '2016-06-24'}