Fluctuation-dissipation theorem and the Unruh effect of scalar and Dirac fields

Details Fluctuation-dissipation theorem and the Unruh effect of scalar and Dirac fields Fluctuation-dissipation theorem and the Unruh effect of scalar and Dirac fields

1999-03-08

arxiv.org/abs/hep-th/9903062v1

Phys.Rev. D60 (1999) 084001

Physics

High Energy Physics

High Energy Physics - Theory

26 pages

Scientific paper

10.1103/PhysRevD.60.084001

We present a simple and systematic method to calculate the Rindler noise, which is relevant to the analysis of the Unruh effect, by using the fluctuation-dissipative theorem. To do this, we calculate the dissipative coefficient explicitly from the equations of motion of the detector and the field. This method gives not only the correct answer but also a hint as to the origin of the apparent statistics inversion effect. Moreover, this method is generalized to the Dirac field, by using the fermionic fluctuation-dissipation theorem. We can thus confirm that the fermionic fluctuation-dissipation theorem is working properly.

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