Publication Information

{'id': 'https://openalex.org/W2013205737', 'doi': 'https://doi.org/10.1088/0953-4075/29/5/003', 'title': 'Analytical approach to the helium-atom ground state using correlated wavefunctions', 'display_name': 'Analytical approach to the helium-atom ground state using correlated wavefunctions', 'publication_year': 1996, 'publication_date': '1996-03-14', 'ids': {'openalex': 'https://openalex.org/W2013205737', 'doi': 'https://doi.org/10.1088/0953-4075/29/5/003', 'mag': '2013205737'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1088/0953-4075/29/5/003', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S108417319', 'display_name': 'Journal of Physics B Atomic Molecular and Optical Physics', 'issn_l': '0953-4075', 'issn': ['0953-4075', '1361-6455'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320083', 'host_organization_name': 'IOP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310311669', 'https://openalex.org/P4310320083'], 'host_organization_lineage_names': ['Institute of Physics', 'IOP Publishing'], '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/A5032872420', 'display_name': 'Somnath Bhattacharyya', 'orcid': 'https://orcid.org/0000-0001-5976-3289'}, 'institutions': [{'id': 'https://openalex.org/I130291710', 'display_name': 'Visva-Bharati University', 'ror': 'https://ror.org/02y28sc20', 'country_code': 'IN', 'type': 'education', 'lineage': ['https://openalex.org/I130291710']}], 'countries': ['IN'], 'is_corresponding': False, 'raw_author_name': 'S Bhattacharyya', 'raw_affiliation_strings': ['Department of Physics, Visva-Bharati University, Santiniketan –731235, India.'], 'affiliations': [{'raw_affiliation_string': 'Department of Physics, Visva-Bharati University, Santiniketan –731235, India.', 'institution_ids': ['https://openalex.org/I130291710']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5013909738', 'display_name': 'A. Bhattacharyya', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I130291710', 'display_name': 'Visva-Bharati University', 'ror': 'https://ror.org/02y28sc20', 'country_code': 'IN', 'type': 'education', 'lineage': ['https://openalex.org/I130291710']}], 'countries': ['IN'], 'is_corresponding': False, 'raw_author_name': 'A Bhattacharyya', 'raw_affiliation_strings': ['Department of Physics, Visva-Bharati University, Santiniketan –731235, India.'], 'affiliations': [{'raw_affiliation_string': 'Department of Physics, Visva-Bharati University, Santiniketan –731235, India.', 'institution_ids': ['https://openalex.org/I130291710']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5102865115', 'display_name': 'B. Talukdar', 'orcid': 'https://orcid.org/0000-0002-8552-7439'}, 'institutions': [{'id': 'https://openalex.org/I130291710', 'display_name': 'Visva-Bharati University', 'ror': 'https://ror.org/02y28sc20', 'country_code': 'IN', 'type': 'education', 'lineage': ['https://openalex.org/I130291710']}], 'countries': ['IN'], 'is_corresponding': False, 'raw_author_name': 'B Talukdar', 'raw_affiliation_strings': ['Department of Physics, Visva-Bharati University, Santiniketan –731235, India.'], 'affiliations': [{'raw_affiliation_string': 'Department of Physics, Visva-Bharati University, Santiniketan –731235, India.', 'institution_ids': ['https://openalex.org/I130291710']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5110662024', 'display_name': 'N. C. Deb', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I165998391', 'display_name': 'Indian Association for the Cultivation of Science', 'ror': 'https://ror.org/050p6gz73', 'country_code': 'IN', 'type': 'education', 'lineage': ['https://openalex.org/I165998391']}], 'countries': ['IN'], 'is_corresponding': False, 'raw_author_name': 'N C Deb', 'raw_affiliation_strings': ['Department of Theoretical Physics Indian Association for the Cultivation of Science Jadavpur, Calcutta 700032, India'], 'affiliations': [{'raw_affiliation_string': 'Department of Theoretical Physics Indian Association for the Cultivation of Science Jadavpur, Calcutta 700032, India', 'institution_ids': ['https://openalex.org/I165998391']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 1.109, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 33, 'citation_normalized_percentile': {'value': 0.845069, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 89, 'max': 90}, 'biblio': {'volume': '29', 'issue': '5', 'first_page': 'L147', 'last_page': 'L150'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11965', 'display_name': 'Quantum, superfluid, helium dynamics', 'score': 0.9988, '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': 0.9988, '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': 0.9987, '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': 0.9924, '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/helium-atom', 'display_name': 'Helium atom', 'score': 0.8377212}, {'id': 'https://openalex.org/keywords/hamiltonian', 'display_name': 'Hamiltonian (control theory)', 'score': 0.685783}], 'concepts': [{'id': 'https://openalex.org/C113603373', 'wikidata': 'https://www.wikidata.org/wiki/Q2362761', 'display_name': 'Wave function', 'level': 2, 'score': 0.8507855}, {'id': 'https://openalex.org/C2780846936', 'wikidata': 'https://www.wikidata.org/wiki/Q3877353', 'display_name': 'Helium atom', 'level': 3, 'score': 0.8377212}, {'id': 'https://openalex.org/C69523127', 'wikidata': 'https://www.wikidata.org/wiki/Q4480008', 'display_name': 'Ground state', 'level': 2, 'score': 0.69058985}, {'id': 'https://openalex.org/C130787639', 'wikidata': 'https://www.wikidata.org/wiki/Q5645293', 'display_name': 'Hamiltonian (control theory)', 'level': 2, 'score': 0.685783}, {'id': 'https://openalex.org/C546029482', 'wikidata': 'https://www.wikidata.org/wiki/Q560', 'display_name': 'Helium', 'level': 2, 'score': 0.5548356}, {'id': 'https://openalex.org/C2778400075', 'wikidata': 'https://www.wikidata.org/wiki/Q655275', 'display_name': 'Cusp (singularity)', 'level': 2, 'score': 0.5131596}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.5123235}, {'id': 'https://openalex.org/C58312451', 'wikidata': 'https://www.wikidata.org/wiki/Q4817200', 'display_name': 'Atom (system on chip)', 'level': 2, 'score': 0.49530116}, {'id': 'https://openalex.org/C184779094', 'wikidata': 'https://www.wikidata.org/wiki/Q26383', 'display_name': 'Atomic physics', 'level': 1, 'score': 0.46982765}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.4663989}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.30624032}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.13297844}, {'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/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/10.1088/0953-4075/29/5/003', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S108417319', 'display_name': 'Journal of Physics B Atomic Molecular and Optical Physics', 'issn_l': '0953-4075', 'issn': ['0953-4075', '1361-6455'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320083', 'host_organization_name': 'IOP Publishing', 'host_organization_lineage': ['https://openalex.org/P4310311669', 'https://openalex.org/P4310320083'], 'host_organization_lineage_names': ['Institute of Physics', 'IOP Publishing'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.74, 'id': 'https://metadata.un.org/sdg/7', 'display_name': 'Affordable and clean energy'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 10, 'referenced_works': ['https://openalex.org/W1967825690', 'https://openalex.org/W1979858550', 'https://openalex.org/W1998399936', 'https://openalex.org/W2002351104', 'https://openalex.org/W2032580149', 'https://openalex.org/W2074535939', 'https://openalex.org/W2080555715', 'https://openalex.org/W2091865531', 'https://openalex.org/W2607774319', 'https://openalex.org/W560612643'], 'related_works': ['https://openalex.org/W4240768158', 'https://openalex.org/W2612155445', 'https://openalex.org/W2362666250', 'https://openalex.org/W2084235123', 'https://openalex.org/W2070927465', 'https://openalex.org/W2063201130', 'https://openalex.org/W2045992282', 'https://openalex.org/W1983673711', 'https://openalex.org/W1970873964', 'https://openalex.org/W1672973809'], 'abstract_inverted_index': {'A': [0], 'realistic': [1], 'three-parameter': [2], 'correlated': [3], 'wavefunction': [4], 'is': [5, 55], 'used': [6], 'to': [7, 32, 40], 'construct': [8], 'an': [9], 'exact': [10, 61], 'analytical': [11], 'expression': [12], 'for': [13, 50], 'the': [14, 18, 23, 34, 51, 60], 'expectation': [15], 'value': [16, 49], 'of': [17, 44], 'helium-atom': [19], 'Hamiltonian': [20], 'expressed': [21], 'in': [22, 56], 'interparticle': [24], 'coordinates.': [25], 'The': [26], 'parameters': [27], 'determined': [28], 'variationally': [29], 'are': [30], 'found': [31], 'satisfy': [33], 'orbital': [35], 'and': [36, 46], 'correlation': [37], 'cusp': [38], 'conditions': [39], 'a': [41, 48], 'fair': [42], 'degree': [43], 'accuracy': [45], 'yield': [47], 'ground-state': [52], 'energy': [53], 'which': [54], 'good': [57], 'agreement': [58], 'with': [59], 'result.': [62]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2013205737', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 2}, {'year': 2020, 'cited_by_count': 3}, {'year': 2019, 'cited_by_count': 3}, {'year': 2018, 'cited_by_count': 1}, {'year': 2017, 'cited_by_count': 2}], 'updated_date': '2024-12-24T15:31:27.660457', 'created_date': '2016-06-24'}