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Quantum test of the Universality of Free Fall using rubidium and potassium
The European Physical Journal D ( IF 1.5 ) Pub Date : 2020-07-07 , DOI: 10.1140/epjd/e2020-10132-6 Henning Albers , Alexander Herbst , Logan L. Richardson , Hendrik Heine , Dipankar Nath , Jonas Hartwig , Christian Schubert , Christian Vogt , Marian Woltmann , Claus Lämmerzahl , Sven Herrmann , Wolfgang Ertmer , Ernst M. Rasel , Dennis Schlippert
中文翻译:
用Fall和钾对自由落体的通用性进行量子测试
更新日期:2020-07-07
The European Physical Journal D ( IF 1.5 ) Pub Date : 2020-07-07 , DOI: 10.1140/epjd/e2020-10132-6 Henning Albers , Alexander Herbst , Logan L. Richardson , Hendrik Heine , Dipankar Nath , Jonas Hartwig , Christian Schubert , Christian Vogt , Marian Woltmann , Claus Lämmerzahl , Sven Herrmann , Wolfgang Ertmer , Ernst M. Rasel , Dennis Schlippert
Abstract
We report on an improved test of the Universality of Free Fall using a rubidium-potassium dual-species matter wave interferometer. We describe our apparatus and detail challenges and solutions relevant when operating a potassium interferometer, as well as systematic effects affecting our measurement. Our determination of the Eötvös ratio yields ηRb,K = −1.9 × 10−7 with a combined standard uncertainty of ση = 3.2 × 10−7.Graphical abstract
中文翻译:
用Fall和钾对自由落体的通用性进行量子测试