Matches in SemOpenAlex for { <https://semopenalex.org/work/W2031723360> ?p ?o ?g. }
- W2031723360 abstract "We analyze fluctuations of persistent current (PC) produced by a charged quantum particle moving in a ring and interacting with a dissipative environment formed by diffusive electron gas. We demonstrate that in the presence of interactions such PC fluctuations persist down to zero temperature. In the case of weak interactions and/or sufficiently small values of the ring radius $R$ PC noise remains coherent and can be tuned by external magnetic flux ${ensuremath{Phi}}_{x}$ piercing the ring. In the opposite limit of strong interactions and/or large values of $R$ fluctuations in the electronic bath strongly suppress quantum coherence of the particle down to $T=0$ and induce incoherent ${ensuremath{Phi}}_{x}$-independent current noise in the ring, which persists even at ${ensuremath{Phi}}_{x}=0$ when the average PC is absent." @default.
- W2031723360 created "2016-06-24" @default.
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- W2031723360 date "2011-07-08" @default.
- W2031723360 modified "2023-10-11" @default.
- W2031723360 title "Persistent current noise and electron-electron interactions" @default.
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- W2031723360 doi "https://doi.org/10.1103/physrevb.84.045416" @default.
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