{"title":"Frequency shifts of colliding fermions in optical lattice clocks","authors":"K. Gibble","doi":"10.1117/12.893949","DOIUrl":null,"url":null,"abstract":"We describe the frequency shifts for trapped fermions, as in a optical lattice clock. We discuss the behavior of the shift and show that it is not proportional to the difference of partial densities, in contrast to previously observed clock shifts. We provide a simple counter-example and also show that large interactions may effectively cancel the frequency shifts due to collisions.","PeriodicalId":344989,"journal":{"name":"2010 IEEE International Frequency Control Symposium","volume":"57 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2010-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2010 IEEE International Frequency Control Symposium","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1117/12.893949","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
We describe the frequency shifts for trapped fermions, as in a optical lattice clock. We discuss the behavior of the shift and show that it is not proportional to the difference of partial densities, in contrast to previously observed clock shifts. We provide a simple counter-example and also show that large interactions may effectively cancel the frequency shifts due to collisions.
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