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Interplay between dissipation and driving in nonlinear quantum systems

Vierheilig, Carmen (2011) Interplay between dissipation and driving in nonlinear quantum systems. Dissertationsreihe der Fakultät für Physik der Universität Regensburg 19, PhD, Universität Regensburg.

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Date of publication of this fulltext: 04 May 2011 09:38

Abstract (English)

In this thesis we investigate the interplay between dissipation and driving in nonlinear quantum systems for a special setup: a flux qubit read out by a DC-SQUID - a nonlinear quantum oscillator. The latter is embedded in a harmonic bath, thereby mediating dissipation to the qubit. Two different approaches are elaborated: First we consider a composite qubit-SQUID system and add the bath ...

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Translation of the abstract (German)

In dieser Dissertation wird das Wechselspiel zwischen Dissipation und Antrieb in nichtlinearen Quantensystemen für ein spezielles System untersucht: Ein „Flux qubit“ wird von einem DC-SQUID- einem nichtlinearen quantenmechanischem Oszillator - ausgelesen. Letzterer ist in ein harmonisches Bad eingebettet und überträgt dadurch Dissipation auf das qubit. Zwei unterschiedliche Herangehensweisen ...

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Item type:Thesis of the University of Regensburg (PhD)
Series of the University of Regensburg:Dissertationsreihe der Fakultät für Physik der Universität Regensburg
Date:4 May 2011
Referee:Prof. Dr. Milena Grifoni and Dr. Tobias Kramer
Date of exam:23 November 2010
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Grifoni > Group Milena Grifoni
Interdisciplinary Subject Network:Not selected
Classification:
NotationType
03.65.YzPACS
03.67.LxPACS
05.40.-aPACS
85.25.-jPACS
05.45.−aPACS
Keywords:quantum dissipation, quantum computation, spin-boson model, superconducting qubits, nonlinear oscillators
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Yes
Item ID:20157
Owner only: item control page

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