Macroscopic quantum tunneling in a system with dissipation
I. M. DmitrenkoPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovG. M. TsoĭPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kovV. I. ShnyrkovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR, Khar’kov
ABI
Аннотация
A study of the fine structure of the high-frequency current-voltage characteristics of a SQUID in the temperature range from 4.2−0.5 °K has been carried out. The dependence found cannot be explained within the framework of existing ideas. It is concluded that dissipation increases the probability of macroscopic quantum tunneling in the system.
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