2010
DOI: 10.1016/j.chemphys.2010.06.023
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The dissipative quantum Duffing oscillator: A comparison of Floquet-based approaches

Abstract: We study the dissipative quantum Duffing oscillator in the deep quantum regime with two different approaches: The first is based on the exact Floquet states of the linear oscillator and the nonlinearity is treated perturbatively. It well describes the nonlinear oscillator dynamics away from resonance. The second, in contrast, is applicable at and in the vicinity of a N-photon resonance and it exploits quasi-degenerate perturbation theory for the nonlinear oscillator in Floquet space. It is perturbative both in… Show more

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Cited by 7 publications
(20 citation statements)
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“…The results in Ref. [34] [33,34], the amplitude and phase are fully determined by knowledge of the matrix elements of the stationary density matrix of the Duffing oscillator in the Floquet basis [see, e.g., Eqs. (67)- (70) in Ref.…”
Section: Steady-state Dynamics Of a Duffing Oscillatormentioning
confidence: 99%
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“…The results in Ref. [34] [33,34], the amplitude and phase are fully determined by knowledge of the matrix elements of the stationary density matrix of the Duffing oscillator in the Floquet basis [see, e.g., Eqs. (67)- (70) in Ref.…”
Section: Steady-state Dynamics Of a Duffing Oscillatormentioning
confidence: 99%
“…Here, we follow the same line of reasoning as in Ref. [34] to evaluate the amplitude and phase: we impose the same partial secular approximation and consider low temperatures k B T <h . However, we include now both emission and absorption processes; that is, we use the full dissipative transition rates as in Eq.…”
Section: Steady-state Dynamics Of a Duffing Oscillatormentioning
confidence: 99%
See 3 more Smart Citations