{"id":"https://openalex.org/A5084521026","orcid":"https://orcid.org/0000-0002-8720-1715","observed_orcids":["https://orcid.org/0000-0002-8720-1715"],"display_name":"Martin Kretzschmar","raw_author_names":["Kretzschmar, Martin","M Kretzschmar","M. Kretzschmar","Martin Kretzschmar"],"full_name":"Kretzschmar, Martin","works_count":54,"cited_by_count":1385,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":18,"i10_index":29},"ids":{"openalex":"https://openalex.org/A5084521026","orcid":"https://orcid.org/0000-0002-8720-1715","observed_orcids":["https://orcid.org/0000-0002-8720-1715"]},"affiliations":[{"institution":{"id":"https://openalex.org/I103163165","ror":"https://ror.org/05g3dte14","display_name":"Florida State University","country_code":"US","type":"education","lineage":["https://openalex.org/I103163165"]},"years":[1992,1969,1965]},{"institution":{"id":"https://openalex.org/I149899117","ror":"https://ror.org/01hhn8329","display_name":"Max Planck Society","country_code":"DE","type":"nonprofit","lineage":["https://openalex.org/I149899117"]},"years":[1969,1967]},{"institution":{"id":"https://openalex.org/I197323543","ror":"https://ror.org/023b0x485","display_name":"Johannes Gutenberg University Mainz","country_code":"DE","type":"education","lineage":["https://openalex.org/I197323543"]},"years":[2013,2012,2011,2010,2008,2007,2004,2002,1999,1994,1992,1991,1990,1989,1982]},{"institution":{"id":"https://openalex.org/I223822909","ror":"https://ror.org/038t36y30","display_name":"Heidelberg University","country_code":"DE","type":"education","lineage":["https://openalex.org/I223822909"]},"years":[1958,1956]},{"institution":{"id":"https://openalex.org/I4210089019","ror":"https://ror.org/0079jjr10","display_name":"Max Planck Institute for Physics","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210089019"]},"years":[1969,1967,1965,1964]},{"institution":{"id":"https://openalex.org/I74656192","ror":"https://ror.org/01y9bpm73","display_name":"University of G\u00f6ttingen","country_code":"DE","type":"education","lineage":["https://openalex.org/I74656192"]},"years":[1960,1958]}],"last_known_institutions":[{"id":"https://openalex.org/I197323543","ror":"https://ror.org/023b0x485","display_name":"Johannes Gutenberg University Mainz","country_code":"DE","type":"education","lineage":["https://openalex.org/I197323543"]}],"topics":[{"id":"https://openalex.org/T10523","display_name":"Atomic and Molecular Physics","count":26,"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/T10093","display_name":"Nuclear physics research studies","count":18,"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/T11367","display_name":"Particle accelerators and beam dynamics","count":16,"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/T10048","display_name":"Particle physics theoretical and experimental studies","count":15,"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/T10683","display_name":"Mass Spectrometry Techniques and Applications","count":15,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10683","display_name":"Mass Spectrometry Techniques and Applications","value":5.34e-05,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11261","display_name":"Quantum chaos and dynamical systems","value":5.1e-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"}},{"id":"https://openalex.org/T12220","display_name":"Quantum Electrodynamics and Casimir Effect","value":4.91e-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/T12004","display_name":"Advanced Frequency and Time Standards","value":4.59e-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/T10523","display_name":"Atomic and Molecular Physics","value":4.43e-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"}}],"x_concepts":[{"id":"143873397","wikidata":"https://www.wikidata.org/wiki/Q1755716","display_name":"Penning trap","score":0.9453002214431763},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.910871148109436},{"id":"184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","score":0.7493044137954712},{"id":"145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","score":0.6673475503921509},{"id":"62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","score":0.48226267099380493}],"counts_by_year":[{"year":1956,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1958,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1960,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1961,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1964,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1965,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1967,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":2,"oa_works_count":2,"cited_by_count":0},{"year":1991,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1992,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":1994,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2002,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":4,"oa_works_count":2,"cited_by_count":0},{"year":2008,"works_count":4,"oa_works_count":1,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":5,"oa_works_count":0,"cited_by_count":94},{"year":2013,"works_count":4,"oa_works_count":0,"cited_by_count":121},{"year":2014,"works_count":0,"oa_works_count":0,"cited_by_count":64},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":65},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":60},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":56},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":74},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":45},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":47},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":48},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":38},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":25},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":6}],"display_name_alternatives":["Kretzschmar, Martin","M Kretzschmar","M. Kretzschmar","Martin Kretzschmar"],"block_key":"m kretzschmar","works_api_url":"https://api.openalex.org/works?filter=author.id:A5084521026","awards_count":0,"awards_api_url":"https://api.openalex.org/awards?filter=investigators.author.id:A5084521026","updated_date":"2026-11-10T14:30:39","created_date":"2016-06-24T00:00:00"}