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Digitale Medien

Quantum tunneling at low temperatures: Results for weak damping (1986)

Freidkin, E. ; Riseborough, P. S. ; Hänggi, P.

Springer

The European physical journal 64 (1986), S. 237-246

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Details

ISSN: 1434-6036

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Abstract We investigate the rate at which a particle decays out of a metastable potential well by quantum tunneling. We calculate the leading corrections to the exponent and the prefactor of the rate, due to coupling to the heat bath and finite temperatures. Since the results are essentially equivalent to those employing the transition state assumption, namely maintaining thermal equilibrium, we argue for the lower on the damping strength above which these results should be valid. These results are in good accord with recently reported experiments.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01303709

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