Search Results - "Gorin, T"
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A generalized fidelity amplitude for open systems
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (13-06-2016)“…We consider a central system which is coupled via dephasing to an open system, i.e. an intermediate system which in turn is coupled to another environment…”
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A random matrix formulation of fidelity decay
Published in New journal of physics (09-02-2004)Get full text
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Decoherence of two-qubit systems: a random matrix description
Published in New journal of physics (27-04-2007)Get full text
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A random matrix theory of decoherence
Published in New journal of physics (20-11-2008)Get full text
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Fidelity amplitude of the scattering matrix in microwave cavities
Published in New journal of physics (27-06-2005)Get full text
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Experimental verification of fidelity decay : From perturbative to fermi golden rule regime
Published in Physical review letters (28-10-2005)“…The scattering matrix was measured for a flat microwave cavity with classically chaotic dynamics. The system can be perturbed by small changes of the geometry…”
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7
Decoherence in chaotic and integrable systems: a random matrix approach
Published in Physics letters. A (17-03-2003)“…We study the influence of chaos and order on entanglement and decoherence. In view of applications in quantum computing and teleportation which should be able…”
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Anomalous slow fidelity decay for symmetry-breaking perturbations
Published in Physical review letters (23-06-2006)“…Symmetries as well as other special conditions can cause anomalous slowing down of fidelity decay. These situations will be characterized, and a family of…”
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9
Scattering approach to fidelity decay in closed systems and parametric level correlations
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-07-2013)“…Based on an exact analytical approach to describe scattering fidelity experiments [Köber et al., Phys. Rev. E 82, 036207 (2010)], we obtain an expression for…”
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Microwave fidelity studies by varying antenna coupling
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-09-2010)“…The fidelity decay in a microwave billiard is considered, where the coupling to an attached antenna is varied. The resulting quantity, coupling fidelity, is…”
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Mode-resolved travel-time statistics for elastic rays in three-dimensional billiards
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-03-2012)“…We consider the ray limit of propagating ultrasound waves in three-dimensional bodies made from a homogeneous, isotropic, elastic material. Using a Monte Carlo…”
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12
A generalized fidelity amplitude for open systems
Published in Philosophical transactions of the Royal Society of London. Series A: Mathematical, physical, and engineering sciences (13-06-2016)“…We consider a central system which is coupled via dephasing to an open system, i.e. an intermediate system which in turn is coupled to another environment…”
Get full text
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13
Scattering fidelity in elastodynamics
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-01-2006)“…The recent introduction of the concept of scattering fidelity causes us to revisit the experiment by Lobkis and Weaver [Phys. Rev. Lett. 90, 254302 (2003)]…”
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14
Phase-space localization and level spacing distributions for a driven rotor with mixed regular/chaotic dynamics
Published in Chemical physics (01-05-1997)“…The classical-quantum correspondence for systems with mixed regular and chaotic dynamics can be conveniently analyzed by the quantum Husimi phase-space…”
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15
Signatures of the correlation hole in total and partial cross sections
Published in Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics (01-02-2002)“…In a complex scattering system with few open channels, say a quantum dot with leads, the correlation properties of the poles of the scattering matrix are most…”
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Connection between decoherence and fidelity decay in echo dynamics
Published in Physical review. A, Atomic, molecular, and optical physics (01-10-2004)“…Entanglement between a quantum system and its environment leads to loss of coherence in the former. In general, the temporal fate of coherences is complicated…”
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Long-time signatures of short-time dynamics in decaying quantum-chaotic systems
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-01-2007)“…We analyze the decay of classically chaotic quantum systems in the presence of fast ballistic escape routes on the Ehrenfest time scale. For a continuous…”
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18
Fano interference and cross-section fluctuations in molecular photodissociation
Published in Physical review. A, Atomic, molecular, and optical physics (01-04-2006)Get full text
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19
Correlations between resonances in a statistical scattering model
Published in Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics (01-09-1997)Get full text
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Comment on "Models of intermediate spectral statistics"
Published in Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics (01-06-2001)“…In this Comment we point out that the semi-Poisson is well suited only as a reference point for the so-called "intermediate statistics," which cannot be…”
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