{"id":"https://openalex.org/A5075722975","orcid":"https://orcid.org/0000-0002-2056-8184","observed_orcids":["https://orcid.org/0000-0002-2056-8184"],"display_name":"Xiaokai He","raw_author_names":["He Xiao-Kai","He, Xiaokai","X He","Xiao-Kai He","XiaoKai HE","XiaoKai He","Xiaokai He","Xiaokai \u5b5d\u51ef He \u4f55"],"full_name":"Xiaokai He","works_count":58,"cited_by_count":520,"summary_stats":{"2yr_mean_citedness":0.8888888888888888,"h_index":10,"i10_index":11},"ids":{"openalex":"https://openalex.org/A5075722975","orcid":"https://orcid.org/0000-0002-2056-8184","observed_orcids":["https://orcid.org/0000-0002-2056-8184"]},"affiliations":[{"institution":{"id":"https://openalex.org/I173759888","ror":"https://ror.org/053w1zy07","display_name":"Hunan Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I173759888"]},"years":[2021,2020,2019,2018,2016]},{"institution":{"id":"https://openalex.org/I19820366","ror":"https://ror.org/034t30j35","display_name":"Chinese Academy of Sciences","country_code":"CN","type":"government","lineage":["https://openalex.org/I19820366"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I25254941","ror":"https://ror.org/022k4wk35","display_name":"Beijing Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I25254941"]},"years":[2009,2008,2007]},{"institution":{"id":"https://openalex.org/I4210125404","ror":"https://ror.org/02xtbq882","display_name":"Institute of Theoretical Physics","country_code":"CN","type":"facility","lineage":["https://openalex.org/I19820366","https://openalex.org/I4210125404"]},"years":[2009]},{"institution":{"id":"https://openalex.org/I916048824","ror":"https://ror.org/00s9d1a36","display_name":"Hunan First Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I916048824"]},"years":[2026,2025,2024,2023,2022,2021,2020,2019,2018,2017,2016,2015,2014,2013]},{"institution":{"id":"https://openalex.org/I97018004","ror":"https://ror.org/00f54p054","display_name":"Stanford University","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]},"years":[2015]}],"last_known_institutions":[{"id":"https://openalex.org/I916048824","ror":"https://ror.org/00s9d1a36","display_name":"Hunan First Normal University","country_code":"CN","type":"education","lineage":["https://openalex.org/I916048824"]}],"topics":[{"id":"https://openalex.org/T11960","display_name":"Relativity and Gravitational Theory","count":32,"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/T10025","display_name":"Black Holes and Theoretical Physics","count":28,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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/T10463","display_name":"Pulsars and Gravitational Waves Research","count":22,"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/T10095","display_name":"Cosmology and Gravitation Theories","count":19,"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/T10744","display_name":"Astrophysical Phenomena and Observations","count":13,"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"}}],"topic_share":[{"id":"https://openalex.org/T10463","display_name":"Pulsars and Gravitational Waves Research","value":0.0001206,"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":"Quantum Electrodynamics and Casimir Effect","value":9.79e-05,"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/T10025","display_name":"Black Holes and Theoretical Physics","value":8.13e-05,"subfield":{"id":"https://openalex.org/subfields/3106","display_name":"Nuclear and High Energy Physics"},"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/T11960","display_name":"Relativity and Gravitational Theory","value":7.79e-05,"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/T11654","display_name":"Advanced Mathematical Physics Problems","value":5.41e-05,"subfield":{"id":"https://openalex.org/subfields/2610","display_name":"Mathematical Physics"},"field":{"id":"https://openalex.org/fields/26","display_name":"Mathematics"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.9733039140701294},{"id":"33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","score":0.8461019992828369},{"id":"74650414","wikidata":"https://www.wikidata.org/wiki/Q11397","display_name":"Classical mechanics","score":0.6380101442337036},{"id":"134306372","wikidata":"https://www.wikidata.org/wiki/Q7754","display_name":"Mathematical analysis","score":0.5839664936065674},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.3683020770549774}],"counts_by_year":[{"year":2007,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2011,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":3},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":9},{"year":2014,"works_count":2,"oa_works_count":2,"cited_by_count":8},{"year":2015,"works_count":2,"oa_works_count":1,"cited_by_count":18},{"year":2016,"works_count":2,"oa_works_count":0,"cited_by_count":16},{"year":2017,"works_count":1,"oa_works_count":1,"cited_by_count":29},{"year":2018,"works_count":4,"oa_works_count":2,"cited_by_count":37},{"year":2019,"works_count":2,"oa_works_count":0,"cited_by_count":24},{"year":2020,"works_count":3,"oa_works_count":3,"cited_by_count":32},{"year":2021,"works_count":5,"oa_works_count":5,"cited_by_count":52},{"year":2022,"works_count":5,"oa_works_count":3,"cited_by_count":55},{"year":2023,"works_count":7,"oa_works_count":4,"cited_by_count":48},{"year":2024,"works_count":6,"oa_works_count":3,"cited_by_count":52},{"year":2025,"works_count":7,"oa_works_count":4,"cited_by_count":58},{"year":2026,"works_count":5,"oa_works_count":4,"cited_by_count":50}],"display_name_alternatives":["He Xiao-Kai","He, Xiaokai","X He","Xiao-Kai He","XiaoKai HE","XiaoKai He","Xiaokai He","Xiaokai \u5b5d\u51ef He \u4f55"],"block_key":"x he","works_api_url":"https://api.openalex.org/works?filter=author.id:A5075722975","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5075722975","updated_date":"2026-11-12T13:17:38","created_date":"2016-06-24T00:00:00"}
