Temperature of the Vacuum Accelerated by External Fields

Details Temperature of the Vacuum Accelerated by External Fields Temperature of the Vacuum Accelerated by External Fields

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..apr.e1020l&link_type=abstract

American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #E1.020

Physics

Scientific paper

Using the result of M"uller et al. [1], we show that in a constant electric field E, the electron fluctuations <ψψ> display a thermal Bose spectrum with temperature T=eE/mπ=a/π. This result contrasts with the Fermi spectrum and Hawking-Unruh temperature THU=a/2π expected from viewing the vacuum fluctuations of the electrons as accelerated [2,3]. We consider the temperature in the electric field as a function of magnetic moment g. We find that the temperature in the electric field arises from the Dirac spinor nature of the electron with g=2 and, setting arbitrarily g=1, we recover the Hawking-Unruh THU=a/2π with a Fermi spectrum. [4pt] [1] B. Muller, W. Greiner, and J. Rafelski, Phys. Lett. A63, 181 (1977).[0pt] [2] L.C.B. Crispino, A. Higuchi, George E.A. Matsas, Rev. Mod. Phys. 80, 787 (2008).[0pt] [3] W.-Y. Pauchy Hwang and S. P. Kim, Phys.Rev. D80, 065004 (2009).

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