2007
DOI: 10.1590/s0103-97332007000100006
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Tunneling and the Vacuum Zero-Point Radiation

Abstract: We make a brief review of the Kramers escape rate theory for the probabilistic motion of a particle in a potential well U(x), and under the influence of classical fluctuation forces. The Kramers theory is extended in order to take into account the action of the thermal and zero-point random electromagnetic fields on a charged particle. The result is physically relevant because we get a non null escape rate over the potential barrier at low temperatures (T → 0). It is found that, even if the mean energy is much… Show more

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Cited by 1 publication
(2 citation statements)
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“…This thesis is well illustrated by the Kramers model of escape out of a potential well modified with account of ZPO energy [3], according to which the strength of the Gaussian white noise is determined by a synergetic action of thermal and quantum fluctuations, as described by eq. ( 2).…”
Section: Discussionmentioning
confidence: 99%
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“…This thesis is well illustrated by the Kramers model of escape out of a potential well modified with account of ZPO energy [3], according to which the strength of the Gaussian white noise is determined by a synergetic action of thermal and quantum fluctuations, as described by eq. ( 2).…”
Section: Discussionmentioning
confidence: 99%
“…the ground state energy of the harmonic oscillator, is the Plank constant, b k is the Boltzmann constant and T is the temperature. It is quite natural to use the noise strength (2) in the calculation of the Kramers escape rate of the potential well, which results in a non-vanishing escape rate even if 0 T  [3]. At sufficiently high temperatures, the noise strength becomes equal to B kT, and the Kramers rate (1) provides a theoretical basis for the Arrhenius law, whereas at low temperatures, significant deviations from this low are predicted due to quantum effects.…”
Section:  mentioning
confidence: 99%