Boundary stress tensors for spherically symmetric conformal Rindler observers

Details Boundary stress tensors for spherically symmetric conformal Rindler observers Boundary stress tensors for spherically symmetric conformal Rindler observers

2010-01-26

arxiv.org/abs/1001.4740v3

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 3 figures, version published in J. Korean Phys. Soc. 57,(1), pp. 17-22, 2010

Scientific paper

The boundary energy - momentum tensors for a static observer in the conformally flat Rindler geometry are considered. We found the surface energy is positive far form the Planck world but the transversal pressures are negative. The kinematical parameters associated to a nongeodesic congruence of static observers are computed. The entropy $S$ corresponding to the degrees of freedom on the two surface of constant $\rho$ and $t$ equals the horizon entropy of a black hole with a time dependent mass and the Padmanabhan expression $E = 2 S T$ is obeyed. The two surface shear tensor is vanishing but the coefficient of the bulk viscosity $\zeta$ is $1/16 \pi$ and therefore the negative pressure due to it acts as a surface tension.

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