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Dynamics of the sub-Ohmic spin-boson model: A time-dependent variational study
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10.1063/1.4792502
/content/aip/journal/jcp/138/8/10.1063/1.4792502
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/8/10.1063/1.4792502
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Under the polarized bath initial conditions, the time dependent population difference P z (t) for s = 0.25 (α c ≈ 0.022) and Δ/ω c = 0.1 is presented. Seven values of α are taken. The inset is a magnified figure for large couplings.

Image of FIG. 2.
FIG. 2.

Time dependent population difference P z (t) (upper panel) and relative deviation σ(t) (lower panel) for s = 0.25 (α c ≈ 0.022) and Δ/ω c = 0.1 under the factorized bath initial conditions. Seven values of α are used for comparison.

Image of FIG. 3.
FIG. 3.

Time-dependent population difference P z (t) (upper panel) and relative deviation σ(t) (lower panel) for α = 0.5, ω c /Δ = 5, and four values of the exponent s: s = 0.25, 0.5, 0.75, and 1. The factorized bath initial condition is taken.

Image of FIG. 4.
FIG. 4.

Population difference P z (t) as a function of time for s = 0.25 (α c ≈ 0.022) and Δ/ω c = 0.1 with polarized and factorized bath initial conditions.

Image of FIG. 5.
FIG. 5.

Von Neumann entropy calculated with the polarized bath initial condition for s = 0.25 (α c ≈ 0.022) and Δ/ω c = 0.1.

Image of FIG. 6.
FIG. 6.

Von Neumann entropy calculated under with the factorized bath initial condition for s = 0.25 (α c ≈ 0.022) and Δ/ω c = 0.1.

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/content/aip/journal/jcp/138/8/10.1063/1.4792502
2013-02-28
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Dynamics of the sub-Ohmic spin-boson model: A time-dependent variational study
http://aip.metastore.ingenta.com/content/aip/journal/jcp/138/8/10.1063/1.4792502
10.1063/1.4792502
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