Publication Information

{'id': 'https://openalex.org/W2008102069', 'doi': 'https://doi.org/10.1088/1367-2630/10/3/033001', 'title': 'Traffic jams without bottlenecks—experimental evidence for the physical mechanism of the formation of a jam', 'display_name': 'Traffic jams without bottlenecks—experimental evidence for the physical mechanism of the formation of a jam', 'publication_year': 2008, 'publication_date': '2008-03-04', 'ids': {'openalex': 'https://openalex.org/W2008102069', 'doi': 'https://doi.org/10.1088/1367-2630/10/3/033001', 'mag': '2008102069'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1088/1367-2630/10/3/033001', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S148121101', 'display_name': 'New Journal of Physics', 'issn_l': '1367-2630', 'issn': ['1367-2630'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': True, 'oa_status': 'green', 'oa_url': 'https://doi.org/10.1088/1367-2630/10/3/033001', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5019959949', 'display_name': 'Yūki Sugiyama', 'orcid': 'https://orcid.org/0000-0003-3453-2155'}, 'institutions': [{'id': 'https://openalex.org/I60134161', 'display_name': 'Nagoya University', 'ror': 'https://ror.org/04chrp450', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I60134161']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Yuki Sugiyama', 'raw_affiliation_strings': ['Department of Complex Systems Science, Nagoya University, Nagoya 464-8601, Japan'], 'affiliations': [{'raw_affiliation_string': 'Department of Complex Systems Science, Nagoya University, Nagoya 464-8601, Japan', 'institution_ids': ['https://openalex.org/I60134161']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111534504', 'display_name': 'Minoru Fukui', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I156900350', 'display_name': 'Nakanihon Automotive College', 'ror': 'https://ror.org/049rjvf68', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I156900350']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Minoru Fukui', 'raw_affiliation_strings': ['Nakanihon Automotive College, Sakahogi 505-0077, Japan'], 'affiliations': [{'raw_affiliation_string': 'Nakanihon Automotive College, Sakahogi 505-0077, Japan', 'institution_ids': ['https://openalex.org/I156900350']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5040106943', 'display_name': 'Macoto Kikuchi', 'orcid': 'https://orcid.org/0000-0003-1582-8970'}, 'institutions': [{'id': 'https://openalex.org/I98285908', 'display_name': 'Osaka University', 'ror': 'https://ror.org/035t8zc32', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I98285908']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Macoto Kikuchi', 'raw_affiliation_strings': ['Cybermedia Center, Osaka University, Toyonaka 560-0043, Japan'], 'affiliations': [{'raw_affiliation_string': 'Cybermedia Center, Osaka University, Toyonaka 560-0043, Japan', 'institution_ids': ['https://openalex.org/I98285908']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5111612799', 'display_name': 'Katsuya Hasebe', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I130137553', 'display_name': 'Aichi University', 'ror': 'https://ror.org/0172hvg27', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I130137553']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Katsuya Hasebe', 'raw_affiliation_strings': ['Aichi University, Miyoshi 470-0296, Japan'], 'affiliations': [{'raw_affiliation_string': 'Aichi University, Miyoshi 470-0296, Japan', 'institution_ids': ['https://openalex.org/I130137553']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5015784854', 'display_name': 'Akihiro Nakayama', 'orcid': 'https://orcid.org/0000-0002-9810-6027'}, 'institutions': [{'id': 'https://openalex.org/I96636082', 'display_name': 'Meijo University', 'ror': 'https://ror.org/04h42fc75', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I96636082']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Akihiro Nakayama', 'raw_affiliation_strings': ['Faculty of Science and Technology, Meijo University, Nagoya, 468‐8502 Japan'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Science and Technology, Meijo University, Nagoya, 468‐8502 Japan', 'institution_ids': ['https://openalex.org/I96636082']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5086650139', 'display_name': 'Katsuhiro Nishinari', 'orcid': 'https://orcid.org/0000-0003-3069-1757'}, 'institutions': [{'id': 'https://openalex.org/I74801974', 'display_name': 'The University of Tokyo', 'ror': 'https://ror.org/057zh3y96', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I74801974']}, {'id': 'https://openalex.org/I4210086780', 'display_name': 'Japan Science and Technology Agency', 'ror': 'https://ror.org/00097mb19', 'country_code': 'JP', 'type': 'government', 'lineage': ['https://openalex.org/I4210086780']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Katsuhiro Nishinari', 'raw_affiliation_strings': ['Department of Aeronautics and Astronautics, The University of Tokyo, Bunkyo 113-8656, Japan', 'PRESTO, Japan Science and Technology Agency'], 'affiliations': [{'raw_affiliation_string': 'Department of Aeronautics and Astronautics, The University of Tokyo, Bunkyo 113-8656, Japan', 'institution_ids': ['https://openalex.org/I74801974']}, {'raw_affiliation_string': 'PRESTO, Japan Science and Technology Agency', 'institution_ids': ['https://openalex.org/I4210086780']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5059568384', 'display_name': 'Shin-ichi Tadaki', 'orcid': 'https://orcid.org/0000-0002-9375-1713'}, 'institutions': [{'id': 'https://openalex.org/I177136067', 'display_name': 'Saga University', 'ror': 'https://ror.org/04f4wg107', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I177136067']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Shin-ichi Tadaki', 'raw_affiliation_strings': ['Computer and Network Center, Saga University, Saga 840-8502, Japan'], 'affiliations': [{'raw_affiliation_string': 'Computer and Network Center, Saga University, Saga 840-8502, Japan', 'institution_ids': ['https://openalex.org/I177136067']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5051167036', 'display_name': 'Satoshi Yukawa', 'orcid': 'https://orcid.org/0000-0001-9022-358X'}, 'institutions': [{'id': 'https://openalex.org/I98285908', 'display_name': 'Osaka University', 'ror': 'https://ror.org/035t8zc32', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I98285908']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Satoshi Yukawa', 'raw_affiliation_strings': ['Department of Earth and Space Science, Osaka University, Toyonaka, 560-0043, Japan.'], 'affiliations': [{'raw_affiliation_string': 'Department of Earth and Space Science, Osaka University, Toyonaka, 560-0043, Japan.', 'institution_ids': ['https://openalex.org/I98285908']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 8, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 1465, 'currency': 'GBP', 'value_usd': 2195, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 70.141, 'has_fulltext': True, 'fulltext_origin': 'pdf', 'cited_by_count': 661, 'citation_normalized_percentile': {'value': 0.999968, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '10', 'issue': '3', 'first_page': '033001', 'last_page': '033001'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10524', 'display_name': 'Traffic control and management', 'score': 0.9984, 'subfield': {'id': 'https://openalex.org/subfields/2207', 'display_name': 'Control and Systems Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10524', 'display_name': 'Traffic control and management', 'score': 0.9984, 'subfield': {'id': 'https://openalex.org/subfields/2207', 'display_name': 'Control and Systems Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11500', 'display_name': 'Evacuation and Crowd Dynamics', 'score': 0.9612, 'subfield': {'id': 'https://openalex.org/subfields/2212', 'display_name': 'Ocean Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10698', 'display_name': 'Transportation Planning and Optimization', 'score': 0.931, 'subfield': {'id': 'https://openalex.org/subfields/3313', 'display_name': 'Transportation'}, 'field': {'id': 'https://openalex.org/fields/33', 'display_name': 'Social Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/traffic-system', 'display_name': 'Traffic system', 'score': 0.4409166}, {'id': 'https://openalex.org/keywords/traffic-wave', 'display_name': 'Traffic wave', 'score': 0.41362888}], 'concepts': [{'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.8666959}, {'id': 'https://openalex.org/C2780513914', 'wikidata': 'https://www.wikidata.org/wiki/Q18210350', 'display_name': 'Bottleneck', 'level': 2, 'score': 0.83494544}, {'id': 'https://openalex.org/C207821765', 'wikidata': 'https://www.wikidata.org/wiki/Q405372', 'display_name': 'Instability', 'level': 2, 'score': 0.66738033}, {'id': 'https://openalex.org/C2779079576', 'wikidata': 'https://www.wikidata.org/wiki/Q17092823', 'display_name': 'Jamming', 'level': 2, 'score': 0.6143567}, {'id': 'https://openalex.org/C164866538', 'wikidata': 'https://www.wikidata.org/wiki/Q367351', 'display_name': 'Cluster (spacecraft)', 'level': 2, 'score': 0.5860975}, {'id': 'https://openalex.org/C57879066', 'wikidata': 'https://www.wikidata.org/wiki/Q41217', 'display_name': 'Mechanics', 'level': 1, 'score': 0.45053786}, {'id': 'https://openalex.org/C207512268', 'wikidata': 'https://www.wikidata.org/wiki/Q3074551', 'display_name': 'Traffic flow (computer networking)', 'level': 2, 'score': 0.4492723}, {'id': 'https://openalex.org/C2984717066', 'wikidata': 'https://www.wikidata.org/wiki/Q4323994', 'display_name': 'Traffic system', 'level': 2, 'score': 0.4409166}, {'id': 'https://openalex.org/C149288129', 'wikidata': 'https://www.wikidata.org/wiki/Q185357', 'display_name': 'Phase transition', 'level': 2, 'score': 0.42843074}, {'id': 'https://openalex.org/C38349280', 'wikidata': 'https://www.wikidata.org/wiki/Q1434290', 'display_name': 'Flow (mathematics)', 'level': 2, 'score': 0.41437736}, {'id': 'https://openalex.org/C168069670', 'wikidata': 'https://www.wikidata.org/wiki/Q2596069', 'display_name': 'Traffic wave', 'level': 4, 'score': 0.41362888}, {'id': 'https://openalex.org/C121864883', 'wikidata': 'https://www.wikidata.org/wiki/Q677916', 'display_name': 'Statistical physics', 'level': 1, 'score': 0.40144077}, {'id': 'https://openalex.org/C2779888511', 'wikidata': 'https://www.wikidata.org/wiki/Q244156', 'display_name': 'Traffic congestion', 'level': 2, 'score': 0.20678952}, {'id': 'https://openalex.org/C25492975', 'wikidata': 'https://www.wikidata.org/wiki/Q960570', 'display_name': "Traffic congestion reconstruction with Kerner's three-phase theory", 'level': 3, 'score': 0.20357391}, {'id': 'https://openalex.org/C26873012', 'wikidata': 'https://www.wikidata.org/wiki/Q214781', 'display_name': 'Condensed matter physics', 'level': 1, 'score': 0.10810673}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.08498809}, {'id': 'https://openalex.org/C38652104', 'wikidata': 'https://www.wikidata.org/wiki/Q3510521', 'display_name': 'Computer security', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C22212356', 'wikidata': 'https://www.wikidata.org/wiki/Q775325', 'display_name': 'Transport engineering', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C199360897', 'wikidata': 'https://www.wikidata.org/wiki/Q9143', 'display_name': 'Programming language', 'level': 1, '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': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.1088/1367-2630/10/3/033001', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S148121101', 'display_name': 'New Journal of Physics', 'issn_l': '1367-2630', 'issn': ['1367-2630'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': True, 'landing_page_url': 'https://ir.library.osaka-u.ac.jp/repo/ouka/all/93262/NewJPhys_10_033001.pdf', 'pdf_url': 'https://ir.library.osaka-u.ac.jp/repo/ouka/all/93262/NewJPhys_10_033001.pdf', 'source': {'id': 'https://openalex.org/S4306402540', 'display_name': 'OUKA (Osaka University Knowledge Archive) (Osaka University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I98285908', 'host_organization_name': 'Osaka University', 'host_organization_lineage': ['https://openalex.org/I98285908'], 'host_organization_lineage_names': ['Osaka University'], 'type': 'repository'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.1088/1367-2630/10/3/033001', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S148121101', 'display_name': 'New Journal of Physics', 'issn_l': '1367-2630', 'issn': ['1367-2630'], 'is_oa': True, 'is_in_doaj': True, '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': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [{'score': 0.74, 'display_name': 'Sustainable cities and communities', 'id': 'https://metadata.un.org/sdg/11'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 18, 'referenced_works': ['https://openalex.org/W106640415', 'https://openalex.org/W1533788422', 'https://openalex.org/W1968719911', 'https://openalex.org/W1986082308', 'https://openalex.org/W1999251566', 'https://openalex.org/W2004560771', 'https://openalex.org/W2019490751', 'https://openalex.org/W2037458222', 'https://openalex.org/W2049176600', 'https://openalex.org/W2114667889', 'https://openalex.org/W2154376416', 'https://openalex.org/W2187282498', 'https://openalex.org/W2462063284', 'https://openalex.org/W2792853809', 'https://openalex.org/W2917269863', 'https://openalex.org/W2921092875', 'https://openalex.org/W3098096425', 'https://openalex.org/W4233640149'], 'related_works': ['https://openalex.org/W4282923525', 'https://openalex.org/W3150829802', 'https://openalex.org/W3106071504', 'https://openalex.org/W2769680178', 'https://openalex.org/W2616956208', 'https://openalex.org/W2353742181', 'https://openalex.org/W2348394584', 'https://openalex.org/W2348236516', 'https://openalex.org/W1521460227', 'https://openalex.org/W1129591933'], 'abstract_inverted_index': {'A': [0], 'traffic': [1, 82, 98], 'jam': [2, 99, 129, 182, 200], 'on': [3, 120, 144, 202], 'a': [4, 7, 21, 39, 53, 64, 69, 73, 81, 97, 101, 112, 121, 128, 167, 181, 189, 199, 203], 'highway': [5], 'is': [6, 20, 71, 100, 158], 'very': [8], 'familiar': [9], 'phenomenon.': [10], 'From': [11], 'the': [12, 15, 32, 36, 45, 50, 59, 77, 89, 94, 125, 134, 138, 145, 149, 156, 161, 164, 174, 193], 'physical': [13], 'viewpoint,': [14], 'system': [16, 23, 34], 'of': [17, 24, 31, 38, 47, 80, 96, 127, 155, 163, 198], 'vehicular': [18], 'flow': [19, 41], 'non-equilibrium': [22, 113], 'interacting': [25], 'particles': [26], '(vehicles).': [27], 'The': [28, 152], 'collective': [29, 102], 'effect': [30], 'many-particle': [33], 'induces': [35], 'instability': [37], 'free': [40], 'state': [42, 55], 'caused': [43], 'by': [44], 'enhancement': [46], 'fluctuations,': [48], 'and': [49, 75, 108, 172, 185], 'transition': [51], 'to': [52, 123], 'jamming': [54], 'occurs': [56], 'spontaneously': [57], 'if': [58], 'average': [60, 153], 'vehicle': [61], 'density': [62, 154], 'exceeds': [63], 'certain': [65], 'critical': [66], 'value.': [67], 'Thus,': [68], 'bottleneck': [70], 'only': [72], 'trigger': [74], 'not': [76], 'essential': [78], 'origin': [79], 'jam.': [83], 'In': [84, 133], 'this': [85], 'paper,': [86], 'we': [87], 'present': [88], 'first': [90], 'experimental': [91], 'evidence': [92], 'that': [93, 197], 'emergence': [95, 126], 'phenomenon': [103], 'like': [104, 188], "'dynamical'": [105], 'phase': [106], 'transitions': [107], 'pattern': [109], 'formation': [110], 'in': [111], 'system.': [114], 'We': [115], 'have': [116], 'performed': [117], 'an': [118], 'experiment': [119], 'circuit': [122], 'show': [124], 'with': [130, 148, 192], 'no': [131], 'bottleneck.': [132], 'initial': [135], 'condition,': [136], 'all': [137], 'vehicles': [139, 157], 'are': [140], 'moving,': [141], 'homogeneously': [142], 'distributed': [143], 'circular': [146], 'road,': [147], 'same': [150, 194], 'velocity.': [151], 'prepared': [159], 'for': [160], 'onset': [162], 'instability.': [165], 'Even': [166], 'tiny': [168], 'fluctuation': [169], 'grows': [170], 'larger': [171], 'then': [173], 'homogeneous': [175], 'movement': [176], 'cannot': [177], 'be': [178], 'maintained.': [179], 'Finally,': [180], 'cluster': [183, 201], 'appears': [184], 'propagates': [186], 'backward': [187], 'solitary': [190], 'wave': [191], 'speed': [195], 'as': [196], 'highway.': [204]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2008102069', 'counts_by_year': [{'year': 2024, 'cited_by_count': 30}, {'year': 2023, 'cited_by_count': 51}, {'year': 2022, 'cited_by_count': 57}, {'year': 2021, 'cited_by_count': 60}, {'year': 2020, 'cited_by_count': 60}, {'year': 2019, 'cited_by_count': 67}, {'year': 2018, 'cited_by_count': 40}, {'year': 2017, 'cited_by_count': 40}, {'year': 2016, 'cited_by_count': 32}, {'year': 2015, 'cited_by_count': 22}, {'year': 2014, 'cited_by_count': 40}, {'year': 2013, 'cited_by_count': 28}, {'year': 2012, 'cited_by_count': 32}], 'updated_date': '2024-12-23T19:08:24.710527', 'created_date': '2016-06-24'}