Constraints on the standard model extension with binary pulsars
2012 ◽
Vol 8
(S291)
◽
pp. 558-560
Keyword(s):
AbstractUnder the standard model extension (SME) framework, Lorentz invariance is tested in five binary pulsars: PSR J0737-3039, PSR B1534+12, PSR J1756-2251, PSR B1913+16 and PSR B2127+11C. By analyzing the advance of periastron, we obtain the constraints on a dimensionless combination of SME parameters that is sensitive to timing observations. The results imply no evidence for the break of Lorentz invariance at 10−10 level, one order of magnitude larger than previous estimation.
2014 ◽
Vol 41
(5)
◽
pp. 055003
◽
Keyword(s):