Physical Review A

Noninteracting-blip approximation for a two-level system coupled to a heat bath

H. Dekker

Published Feb 1, 1987• 100 citations

Abstract

A very simple yet novel derivation is presented of the dynamics of the dissipative two-state system in the ''noninteracting-blip approximation.''Received 29 August 1986DOI:https://doi.org/10.1103/PhysRevA.35.1436©1987 American Physical Society

DOI: 10.1103/physreva.35.1436

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Physical Review A

Noninteracting-blip approximation for a two-level system coupled to a heat bath

H. Dekker

Published Feb 1, 1987• 100 citations

Publisher

Abstract

DOI: 10.1103/physreva.35.1436

Related papers

Dissipative Tunneling in Insulators: Noninteracting Blip Approximation and Beyond

Aloïs Würger

We study the influence of a phonon heat bath on the dynamics of a two-state system in terms of a cumulant expansion. With rising temperature, we find a crossover to incoherent motion. By calculating corrections to the noninteracting blip approximation, we show that, above a temperature ${T}_{0}$ , blip-blip interactions contribute significantly to the rate.We study the influence of a phonon heat bath on the dynamics of a two-state system in terms of a cumulant expansion. With rising temperature, we find a crossover to incoherent motion. By calculating corrections to the noninteracting blip approximation, we show that, above a temperature ${T}_{0}$, blip-blip interactions contribute significantly to the rate.