Direct terrestrial test of Lorentz symmetry in electrodynamics to 10-18

被引：69

作者：

Nagel, Moritz ^{[1
]}

Parker, Stephen R. ^{[2
]}

Kovalchuk, Evgeny V. ^{[1
]}

Stanwix, Paul L. ^{[2
]}

Hartnett, John G. ^{[2
,3
]}

Ivanov, Eugene N. ^{[2
]}

Peters, Achim ^{[1
]}

Tobar, Michael E. ^{[2
]}

机构：

[1] Humboldt Univ, Inst Phys, D-12489 Berlin, Germany

[2] Univ Western Australia, Sch Phys, Crawley, WA 6009, Australia

[3] Univ Adelaide, Sch Phys Sci, Inst Photon & Adv Sensing, Adelaide, SA 5005, Australia

来源：

NATURE COMMUNICATIONS | 2015年 / 6卷

基金：

澳大利亚研究理事会;

关键词：

INVARIANCE; MODEL;

D O I：

10.1038/ncomms9174

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Lorentz symmetry is a foundational property of modern physics, underlying the standard model of particles and general relativity. It is anticipated that these two theories are low-energy approximations of a single theory that is unified and consistent at the Planck scale. Many unifying proposals allow Lorentz symmetry to be broken, with observable effects appearing at Planck-suppressed levels; thus, precision tests of Lorentz invariance are needed to assess and guide theoretical efforts. Here we use ultrastable oscillator frequency sources to perform a modern Michelson-Morley experiment and make the most precise direct terrestrial test to date of Lorentz symmetry for the photon, constraining Lorentz violating orientation-dependent relative frequency changes Delta v/v to 9.2 +/- 10.7 x 10(-19) (95% confidence interval). This order of magnitude improvement over previous Michelson-Morley experiments allows us to set comprehensive simultaneous bounds on nine boost and rotation anisotropies of the speed of light, finding no significant violations of Lorentz symmetry.

引用

页数：6

共 34 条

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