Publication Information

{'id': 'https://openalex.org/W2142151842', 'doi': 'https://doi.org/10.48550/arxiv.quant-ph/0409044', 'title': 'Further Difficulties with the Klein-Gordon Equation', 'display_name': 'Further Difficulties with the Klein-Gordon Equation', 'publication_year': 2004, 'publication_date': '2004-01-01', 'ids': {'openalex': 'https://openalex.org/W2142151842', 'doi': 'https://doi.org/10.48550/arxiv.quant-ph/0409044', 'mag': '2142151842'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/quant-ph/0409044', 'pdf_url': None, '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': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'preprint', 'type_crossref': 'journal-article', 'indexed_in': ['datacite'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://arxiv.org/abs/quant-ph/0409044', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5112017590', 'display_name': 'E. Comay', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I16391192', 'display_name': 'Tel Aviv University', 'ror': 'https://ror.org/04mhzgx49', 'country_code': 'IL', 'type': 'education', 'lineage': ['https://openalex.org/I16391192']}], 'countries': ['IL'], 'is_corresponding': False, 'raw_author_name': 'E. Comay', 'raw_affiliation_strings': ['Tel-Aviv  University'], 'affiliations': [{'raw_affiliation_string': 'Tel-Aviv  University', 'institution_ids': ['https://openalex.org/I16391192']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5062360983', 'display_name': 'Beverly Sackler', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Beverly Sackler', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': None, 'has_fulltext': False, 'cited_by_count': 4, 'citation_normalized_percentile': {'value': 0.866011, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 74, 'max': 76}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10622', 'display_name': 'Quantum Mechanics and Applications', 'score': 0.9996, '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/T10622', 'display_name': 'Quantum Mechanics and Applications', 'score': 0.9996, '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/T11683', 'display_name': 'Quantum and Classical Electrodynamics', 'score': 0.9982, '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/T12037', 'display_name': 'Algebraic and Geometric Analysis', 'score': 0.9956, 'subfield': {'id': 'https://openalex.org/subfields/2604', 'display_name': 'Applied Mathematics'}, 'field': {'id': 'https://openalex.org/fields/26', 'display_name': 'Mathematics'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/klein–gordon-equation', 'display_name': 'Klein–Gordon equation', 'score': 0.89691377}, {'id': 'https://openalex.org/keywords/hamiltonian', 'display_name': 'Hamiltonian (control theory)', 'score': 0.7961122}, {'id': 'https://openalex.org/keywords/pauli-exclusion-principle', 'display_name': 'Pauli exclusion principle', 'score': 0.50319284}, {'id': 'https://openalex.org/keywords/energy-operator', 'display_name': 'Energy operator', 'score': 0.45781934}, {'id': 'https://openalex.org/keywords/operator', 'display_name': 'Operator (biology)', 'score': 0.4199021}], 'concepts': [{'id': 'https://openalex.org/C101682238', 'wikidata': 'https://www.wikidata.org/wiki/Q868967', 'display_name': 'Klein–Gordon equation', 'level': 3, 'score': 0.89691377}, {'id': 'https://openalex.org/C130787639', 'wikidata': 'https://www.wikidata.org/wiki/Q5645293', 'display_name': 'Hamiltonian (control theory)', 'level': 2, 'score': 0.7961122}, {'id': 'https://openalex.org/C37914503', 'wikidata': 'https://www.wikidata.org/wiki/Q156495', 'display_name': 'Mathematical physics', 'level': 1, 'score': 0.7392441}, {'id': 'https://openalex.org/C82601208', 'wikidata': 'https://www.wikidata.org/wiki/Q272621', 'display_name': 'Dirac equation', 'level': 2, 'score': 0.6355269}, {'id': 'https://openalex.org/C63036615', 'wikidata': 'https://www.wikidata.org/wiki/Q165498', 'display_name': 'Schrödinger equation', 'level': 2, 'score': 0.53161263}, {'id': 'https://openalex.org/C110340908', 'wikidata': 'https://www.wikidata.org/wiki/Q131594', 'display_name': 'Pauli exclusion principle', 'level': 2, 'score': 0.50319284}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.4690122}, {'id': 'https://openalex.org/C19579662', 'wikidata': 'https://www.wikidata.org/wiki/Q461145', 'display_name': 'Energy operator', 'level': 3, 'score': 0.45781934}, {'id': 'https://openalex.org/C17020691', 'wikidata': 'https://www.wikidata.org/wiki/Q139677', 'display_name': 'Operator (biology)', 'level': 5, 'score': 0.4199021}, {'id': 'https://openalex.org/C61039578', 'wikidata': 'https://www.wikidata.org/wiki/Q604279', 'display_name': 'Dirac (video compression format)', 'level': 3, 'score': 0.4139805}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.34871423}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.2581448}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.089610785}, {'id': 'https://openalex.org/C158622935', 'wikidata': 'https://www.wikidata.org/wiki/Q660848', 'display_name': 'Nonlinear system', 'level': 2, 'score': 0.06163317}, {'id': 'https://openalex.org/C126255220', 'wikidata': 'https://www.wikidata.org/wiki/Q141495', 'display_name': 'Mathematical optimization', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C158448853', 'wikidata': 'https://www.wikidata.org/wiki/Q425218', 'display_name': 'Repressor', 'level': 4, 'score': 0.0}, {'id': 'https://openalex.org/C86339819', 'wikidata': 'https://www.wikidata.org/wiki/Q407384', 'display_name': 'Transcription factor', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C186370098', 'wikidata': 'https://www.wikidata.org/wiki/Q442787', 'display_name': 'Energy (signal processing)', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C186453547', 'wikidata': 'https://www.wikidata.org/wiki/Q2126', 'display_name': 'Neutrino', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C104317684', 'wikidata': 'https://www.wikidata.org/wiki/Q7187', 'display_name': 'Gene', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://arxiv.org/abs/quant-ph/0409044', 'pdf_url': None, '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': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.quant-ph/0409044', '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://arxiv.org/abs/quant-ph/0409044', 'pdf_url': None, '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': 'other-oa', 'license_id': 'https://openalex.org/licenses/other-oa', 'version': None, 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 7, 'referenced_works': ['https://openalex.org/W1505777436', 'https://openalex.org/W1569233894', 'https://openalex.org/W1573219923', 'https://openalex.org/W1625053673', 'https://openalex.org/W2012693176', 'https://openalex.org/W2064575216', 'https://openalex.org/W2970174909'], 'related_works': ['https://openalex.org/W4394653339', 'https://openalex.org/W4288092201', 'https://openalex.org/W4242029153', 'https://openalex.org/W3167537737', 'https://openalex.org/W2902090247', 'https://openalex.org/W2128492300', 'https://openalex.org/W2094369040', 'https://openalex.org/W2078311253', 'https://openalex.org/W2005051193', 'https://openalex.org/W1564485841'], 'abstract_inverted_index': {'The': [0], 'Dirac': [1, 11], 'equation': [2, 19], 'is': [3, 14], 'compared': [4], 'with': [5, 22], 'the': [6, 10, 17, 23, 27, 34], 'Klein-Gordon': [7, 18, 48], 'one.': [8], 'Unlike': [9], 'case,': [12], 'it': [13], 'proved': [15], 'that': [16, 38, 42], 'has': [20], 'problems': [21], 'Hamiltonian': [24], 'operator': [25], 'of': [26, 33, 39, 45], 'Schroedinger': [28], 'picture.': [29], 'A': [30], 'special': [31], 'discussion': [32], 'Pauli-Weisskopf': [35], 'article': [36], 'and': [37], 'Feshbach-Villars': [40], 'proves': [41], 'their': [43], 'theories': [44], 'a': [46, 51], 'charged': [47], 'particle': [49], 'lack': [50], 'self': [52], 'consistent': [53], 'expression': [54], 'for': [55], 'this': [56], 'Hamiltonian.': [57], 'Related': [58], 'difficulties': [59], 'are': [60], 'pointed': [61], 'out.': [62]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2142151842', 'counts_by_year': [], 'updated_date': '2024-12-10T08:39:13.881758', 'created_date': '2016-06-24'}