Using precision oscillators and interferometers to test fundamental physics

被引：0

作者：

Tobar, Michael E. ^{[1
]}

Stanwix, Paul L. ^{[1
]}

Fowler, Alison C. ^{[1
]}

Lvanov, Eugene N. ^{[1
]}

Hartnett, John G. ^{[1
]}

Locke, Clayton R. ^{[1
]}

Wolf, Peter ^{[2
]}

机构：

[1] Univ Western Australia, Sch Phys, 35 Stirling Hwy, Crawley, WA 6009, Australia

[2] SYRTE Observ Paris, F-75014 Paris, France

来源：

PROCEEDINGS OF THE 2006 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM AND EXPOSITION, VOLS 1 AND 2 | 2006年

关键词：

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We present current work at the University of Western Australia to test fundamental physics using precision phase and frequency measurements. We describe two experiments under development. Firstly, we describe a continuously rotating cryogenic microwave oscillator constructed to test Local Lorentz Invariance (LLI). Initial results [1] improve limits set by previous non-rotating experiments [2, 3] by about an order of magnitude with only 3 months of data. Now, with over a year of data, we have reduced the noise floor by a factor of two. Secondly, we describe the development of a new, magnetically asymmetric, microwave interferometer with thermal noise limited readout, which will allow a sensitivity to the scalar and odd-parity coefficients for Lorentz violation in the photon sector of the Standard Model Extension of parts in 10(8) and 10(12) respectively.

引用

页码：681 / +

页数：2

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