Mesoscopic Fluctuations in Stochastic Spacetime
arXiv:hep-th/0001088 · doi:10.1103/PhysRevD.62.024002
Abstract
Mesoscopic effects associated with wave propagation in spacetime with metric stochasticity are studied. We show that the scalar and spinor waves in a stochastic spacetime behave similarly to the electrons in a disordered system. Viewing this as the quantum transport problem, mesoscopic fluctuations in such a spacetime are discussed. The conductance and its fluctuations are expressed in terms of a nonlinear sigma model in the closed time path formalism. We show that the conductance fluctuations are universal, independent of the volume of the stochastic region and the amount of stochasticity.
26 pages, 3 figures, one comment added, to appear in Physical Review D
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