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Dynamics of a two-level system under the simultaneous influence of a spin bath and a boson bath
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10.1063/1.4817336
/content/aip/journal/jcp/139/5/10.1063/1.4817336
http://aip.metastore.ingenta.com/content/aip/journal/jcp/139/5/10.1063/1.4817336
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematics of a TLS (blue, central spin) coupled to a spin bath and a boson bath. The spin bath, which has no intrabath interactions, interacts uniformly via Ising-like coupling to the TLS. Both the TLS and the spin bath are coupled to the boson bath via conventional linear spin-boson coupling.

Image of FIG. 2.
FIG. 2.

Steady-state probability of finding the TLS in its up state as a function of the T-S coupling strength γ after prepared in the down state initially. Parameters used are ɛ = = α = 1, = 0.5, = 10, and ω = 2.

Image of FIG. 3.
FIG. 3.

The TLS polarization ⟨σ⟩() as a function of time and the T-S coupling strength γ for two values of κ: κ = 0 (upper) and κ = 0.02 (lower). κ = 0.05 and other parameters are the same as those in Fig. 2 .

Image of FIG. 4.
FIG. 4.

Time-dependent magnitudes of matrix elements |Θ| (red), |Θ| = |Θ| (green), and |Θ| (blue). Parameters chosen: = 10, = 0.1, α = 0, ω = 1, β = 100, and κ = 0.5. The dotted lines are calculated in the absence of the TLS and τ = 1.685.

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/content/aip/journal/jcp/139/5/10.1063/1.4817336
2013-08-07
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dynamics of a two-level system under the simultaneous influence of a spin bath and a boson bath
http://aip.metastore.ingenta.com/content/aip/journal/jcp/139/5/10.1063/1.4817336
10.1063/1.4817336
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