Compact industrial CO<sub>2</sub>laser source

Ivanchenko, A. I.; Krasheninnikov, V. V.; Ponomarenko, A. G.; Shepelenko, A. A.

doi:10.1070/qe1985v015n10abeh007937

Cited by 2 publications

(2 citation statements)

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“…As first pointed out in 17 , this classical Smoluchowski equation (SE) can be generalized to the low temperature domain where quantum fluctuations become substantial 18 . The quantum Smoluchowski equation (QSE) has been studied since then in a variety of applications 20 including particularly an extension of the classical Ivanchenko-Zil'berman theory for Josephson junctions in low impedance environments 10,11 . There, quantum fluctuations are related to charging effects and reveal signatures of Coulomb blockade physics.…”

Section: The Modelmentioning

confidence: 99%

“…It turned out that for atomic point contacts this phase dynamics occurs in an overdamped regime. The corresponding classical frame is provided by the Smoluchowski equation which has already been the starting point for cal-culations of current-voltage characteristics of Josephson junctions in low impedance environments 10,11 . There, only the Josephson energy remains as relevant parameter while charging effects related to inertia drop out.…”

Section: Introductionmentioning

confidence: 99%

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Quantum phase diffusion in ac-driven superconducting atomic point contacts

Carusela

Ankerhold

2012

Phys. Rev. B

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The impact of quantum fluctuations on the phase diffusion in resistively shunted superconducting quantum points subject to an external ac-voltage is studied. Based on an extension of the classical Smoluchowski equation to the quantum regime, numerical results for fractional and integer Shapiro resonances are investigated to reveal characteristic features of quantum effects. It is shown that typically in the quantum regime the broadening of resonances cannot be described simply by an effective temperature.

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