{"id":"https://openalex.org/A5069351920","orcid":"https://orcid.org/0000-0001-5949-2626","observed_orcids":["https://orcid.org/0000-0001-5949-2626"],"display_name":"Gregory Armstrong","raw_author_names":["Armstrong, Gregory","Armstrong, Gregory S. J.","G Armstrong","G S J Armstrong","G. S. J. Armstrong","G.S.J. Armstrong","Gregory Armstrong","Gregory S J Armstrong","Gregory S. J. Armstrong","Gregory S.J. Armstrong","Gregory S.\u2009J. Armstrong"],"full_name":"Armstrong, Gregory S. J.","works_count":62,"cited_by_count":566,"summary_stats":{"2yr_mean_citedness":2.5,"h_index":14,"i10_index":17},"ids":{"openalex":"https://openalex.org/A5069351920","orcid":"https://orcid.org/0000-0001-5949-2626","observed_orcids":["https://orcid.org/0000-0001-5949-2626"]},"affiliations":[{"institution":{"id":"https://openalex.org/I126231945","ror":"https://ror.org/00hswnk62","display_name":"Queen's University Belfast","country_code":"GB","type":"education","lineage":["https://openalex.org/I126231945"]},"years":[2023,2022,2021,2020,2019,2018,2012,2011,2009,2008]},{"institution":{"id":"https://openalex.org/I130828816","ror":"https://ror.org/024mrxd33","display_name":"University of Leeds","country_code":"GB","type":"education","lineage":["https://openalex.org/I130828816"]},"years":[2025]},{"institution":{"id":"https://openalex.org/I1343871089","ror":"https://ror.org/01e41cf67","display_name":"Los Alamos National Laboratory","country_code":"US","type":"facility","lineage":["https://openalex.org/I1330989302","https://openalex.org/I1343871089","https://openalex.org/I198811213","https://openalex.org/I4210120050"]},"years":[2017,2015,2014,2013,2012]},{"institution":{"id":"https://openalex.org/I189590672","ror":"https://ror.org/05p1j8758","display_name":"Kansas State University","country_code":"US","type":"education","lineage":["https://openalex.org/I189590672"]},"years":[2017,2015]},{"institution":{"id":"https://openalex.org/I4210097238","ror":"https://ror.org/00dd4r039","display_name":"Quantemol (United Kingdom)","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210097238"]},"years":[2026,2025,2024]}],"last_known_institutions":[{"id":"https://openalex.org/I4210097238","ror":"https://ror.org/00dd4r039","display_name":"Quantemol (United Kingdom)","country_code":"GB","type":"company","lineage":["https://openalex.org/I4210097238"]}],"topics":[{"id":"https://openalex.org/T10523","display_name":"Atomic and Molecular Physics","count":60,"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/T10566","display_name":"Laser-Matter Interactions and Applications","count":46,"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/T10002","display_name":"Advanced Chemical Physics Studies","count":24,"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/T10384","display_name":"Laser-Plasma Interactions and Diagnostics","count":9,"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/T10781","display_name":"Low-Pressure Plasma Processing and Diagnostics","count":8,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10566","display_name":"Laser-Matter Interactions and Applications","value":0.0001351,"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/T10523","display_name":"Atomic and Molecular Physics","value":0.0001022,"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/T10384","display_name":"Laser-Plasma Interactions and Diagnostics","value":5.48e-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/T10425","display_name":"Cold Atom Physics and Bose-Einstein Condensates","value":3.56e-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/T11261","display_name":"Quantum chaos and dynamical systems","value":3.4e-05,"subfield":{"id":"https://openalex.org/subfields/3109","display_name":"Statistical and Nonlinear Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"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":0.961641788482666},{"id":"198291218","wikidata":"https://www.wikidata.org/wiki/Q190382","display_name":"Ionization","score":0.8477635383605957},{"id":"184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","score":0.8011013865470886},{"id":"145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","score":0.6247119307518005},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.32994726300239563}],"counts_by_year":[{"year":2008,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":4,"oa_works_count":1,"cited_by_count":2},{"year":2013,"works_count":12,"oa_works_count":3,"cited_by_count":14},{"year":2014,"works_count":3,"oa_works_count":2,"cited_by_count":20},{"year":2015,"works_count":8,"oa_works_count":2,"cited_by_count":31},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":24},{"year":2017,"works_count":2,"oa_works_count":1,"cited_by_count":28},{"year":2018,"works_count":2,"oa_works_count":2,"cited_by_count":17},{"year":2019,"works_count":5,"oa_works_count":4,"cited_by_count":24},{"year":2020,"works_count":6,"oa_works_count":6,"cited_by_count":50},{"year":2021,"works_count":4,"oa_works_count":2,"cited_by_count":49},{"year":2022,"works_count":2,"oa_works_count":2,"cited_by_count":45},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":66},{"year":2024,"works_count":2,"oa_works_count":2,"cited_by_count":71},{"year":2025,"works_count":1,"oa_works_count":1,"cited_by_count":71},{"year":2026,"works_count":3,"oa_works_count":3,"cited_by_count":43}],"display_name_alternatives":["Armstrong, Gregory","Armstrong, Gregory S. J.","G Armstrong","G S J Armstrong","G. S. J. Armstrong","G.S.J. Armstrong","Gregory Armstrong","Gregory S J Armstrong","Gregory S. J. Armstrong","Gregory S.J. Armstrong","Gregory S.\u2009J. Armstrong"],"block_key":"g armstrong","works_api_url":"https://api.openalex.org/works?filter=author.id:A5069351920","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5069351920","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}