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Dynamics of a qubit coupled to a dissipative nonlinear quantum oscillator: An effective-bath approach

Vierheilig, Carmen and Bercioux, Dario and Grifoni, Milena (2011) Dynamics of a qubit coupled to a dissipative nonlinear quantum oscillator: An effective-bath approach. Phys. Rev. A 83 (1), 012106.

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Other URL: http://pra.aps.org/pdf/PRA/v83/i1/e012106


Abstract

We consider a qubit coupled to a nonlinear quantum oscillator, the latter coupled to an Ohmic bath, and investigate the qubit dynamics. This composed system can be mapped onto that of a qubit coupled to an effective bath. An approximate mapping procedure to determine the spectral density of the effective bath is given. Specifically, within a linear response approximation the effective spectral ...

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Item Type:Article
Date:18 January 2011
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Projects:SFB 631: Festkörperbasierte Quanteninformationsverarbeitung
Research groups and research centres:Not selected
Identification Number:
ValueType
10.1103/PhysRevA.83.012106DOI
Subjects:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Owner: Webmaster Grifoni
Deposited On:26 May 2011 07:34
Last Modified:13 Mar 2014 17:25
Item ID:19251
Owner Only: item control page
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