Search Results - "Strunz, W. T."
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Hierarchy of stochastic pure states for open quantum system dynamics
Published in Physical review letters (10-10-2014)“…We derive a hierarchy of stochastic evolution equations for pure states (quantum trajectories) for open quantum system dynamics with non-Markovian structured…”
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2
Hierarchical Equations for Open System Dynamics in Fermionic and Bosonic Environments
Published in Journal of statistical physics (01-06-2015)“…We present two approaches to the dynamics of an open quantum system coupled linearly to a non-Markovian fermionic or bosonic environment. In the first…”
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3
Universality of decoherence
Published in Physical review letters (02-04-2001)“…We consider environment induced decoherence of quantum superpositions to mixtures in the limit in which that process is much faster than any competing one…”
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4
Quantum-classical transition and quantum activation of ratchet currents in the parameter space
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-05-2015)“…The quantum ratchet current is studied in the parameter space of the dissipative kicked rotor model coupled to a zero-temperature quantum environment. We show…”
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5
Decoherence and the nature of system-environment correlations
Published in Physical review. A, Atomic, molecular, and optical physics (27-12-2011)“…We investigate system-environment correlations based on the exact dynamics of a qubit and its environment in the framework of pure decoherence (phase damping)…”
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6
Dissipative dynamics in a finite chaotic environment: Relationship between damping rate and Lyapunov exponent
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-08-2015)“…We consider the energy flow between a classical one-dimensional harmonic oscillator and a set of N two-dimensional chaotic oscillators, which represents the…”
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7
Finite kicked environments and the fluctuation-dissipation relation
Published in Physical review. E, Statistical, nonlinear, and soft matter physics (01-04-2014)“…In this work we derive a generalized map for a system coupled to a kicked environment composed of a finite number N of uncoupled harmonic oscillators…”
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8
Non-Markovian quantum state diffusion
Published in Physical review. A, Atomic, molecular, and optical physics (01-09-1998)Get full text
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9
System-environment correlations for dephasing two-qubit states coupled to thermal baths
Published 13-05-2016“…Phys. Rev. A 93, 052316 (2016) Based on the exact dynamics of a two-qubit system and environment, we investigate system-environment (SE) quantum and classical…”
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10
Quantum-classical transition and quantum activation of ratchet currents in the parameter space
Published 14-05-2015“…Phys. Rev. E 91, 052908 (2015) The quantum ratchet current is studied in the parameter space of the dissipative kicked rotor model coupled to a zero…”
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11
Quantum harmonically kicked environments
Published in Physica A (15-11-2017)“…In this work we derive a generalized map which describes the time evolution of a quantum system coupled to a quantum environment composed by a finite number of…”
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12
Quantum energy and coherence exchange with discrete baths
Published in Physica A (01-12-2014)“…Coherence and quantum average energy exchange are studied for a system particle as a function of the number N of constituents of a discrete bath model. The…”
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13
Hierarchy of stochastic pure states for open quantum system dynamics
Published 19-02-2014“…We derive a hierarchy of stochastic evolution equations for pure states (quantum trajectories) to efficiently solve open quantum system dynamics with…”
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14
Decoherence and the Nature of System-Environment Correlations
Published 08-11-2011“…We investigate system-environment correlations based on the exact dynamics of a qubit and its environment in the framework of pure decoherence (phase damping)…”
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15
Non-Markovian Quantum Trajectories of Many-Body Quantum Open Systems
Published 29-12-2013“…Phys. Rev. A 88, 052122 (2013) A long-standing open problem in non-Markovian quantum state diffusion (QSD) approach to open quantum systems is to establish the…”
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16
Norm preserving stochastic field equation for an ideal Bose gas in a trap: numerical implementation and applications
Published 16-09-2010“…Stochastic field equations represent a powerful tool to describe the thermal state of a trapped Bose gas. Often, such approaches are confronted with the old…”
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17
Riemann ζ function from wave-packet dynamics
Published in Physical review. A, Atomic, molecular, and optical physics (29-09-2010)Get full text
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18
Decoherence of molecular vibrational wave packets: Oscillatory decay of purity
Published in Physical review. A, Atomic, molecular, and optical physics (01-01-2008)Get full text
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19
Suppression of quantum oscillations and the dependence on site energies in electronic excitation transfer in the Fenna-Matthews-Olson trimer
Published 28-09-2011“…J. Phys. Chem. Lett. 2, 2912 (2011) Energy transfer in the photosynthetic complex of the Green Sulfur Bacteria known as the Fenna-Matthews-Olson (FMO) complex…”
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20
An efficient method to calculate excitation energy transfer in light harvesting systems. Application to the FMO complex
Published 26-06-2011“…New J. Phys. 13 113034 (2011) A master equation, derived from the non-Markovian quantum state diffusion (NMQSD), is used to calculate excitation energy…”
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