{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:15:35Z","timestamp":1760242535984,"version":"build-2065373602"},"reference-count":39,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2017,10,23]],"date-time":"2017-10-23T00:00:00Z","timestamp":1508716800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>This paper discusses clock-comparison experiments, which may be used to test Lorentz symmetry to an extremely high level of precision. We include a brief overview of theoretical predictions for signals of Lorentz violation in clock-comparison experiments and summarize results of experiments that have been performed to date.<\/jats:p>","DOI":"10.3390\/sym9100245","type":"journal-article","created":{"date-parts":[[2017,10,23]],"date-time":"2017-10-23T12:20:24Z","timestamp":1508761224000},"page":"245","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Using Comparisons of Clock Frequencies and Sidereal Variation to Probe Lorentz Violation"],"prefix":"10.3390","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9538-1149","authenticated-orcid":false,"given":"Charles","family":"Lane","sequence":"first","affiliation":[{"name":"Department of Physics, Berry College, Mount Berry, GA 30149, USA"},{"name":"IU Center for Spacetime Symmetries, Indiana University, Bloomington, IN 47405, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2017,10,23]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"891","DOI":"10.1002\/andp.19053221004","article-title":"Zur Elektrodynamik bewegter K\u00f6rper","volume":"17","author":"Einstein","year":"1905","journal-title":"Ann. 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