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A new limit on Lorentz-violating tensor interactions set using $^{21}$Ne-Rb-K comagnetometer
Lorentz-violating 21Ne-Rb-K comagnetometer
2011/8/29
We develop a comagnetometer using 21Ne atoms with nuclear spin I = 3=2 and Rb atoms polarized by spin-exchange with K atoms to search for tensor interactions that violate local Lorentz invariance.We f...
Eikonal equation of the Lorentz-violating Maxwell theory
Eikonal equation the Lorentz-violating Maxwell theory
2010/12/24
We derive the eikonal equation of light wavefront in the presence of Lorentz invariance violation (LIV) from the photon sector of the standard model extension (SME). The results obtained from the equ...
Lorentz-preserving fields in Lorentz-violating theories
Lorentz-preserving fields Lorentz-violating theories
2010/12/23
We identify a fairly general class of field configurations (of spins 0, 1/2 and 1) which preserve Lorentz invariance in effective field theories of Lorentz violation characterized by a constant timel...