Search results for "DYNAMICAL SEMIGROUPS"

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Geometrical characterization of non-Markovianity

2013

We introduce a new tool for the quantitative characterisation of the departure form Markovianity of a given dynamical process. Our tool can be applied to a generic $N$-level system and extended straightforwardly to Gaussian continuous-variable systems. It is linked to the change of the volume of physical states that are dynamically accessible to a system and provides qualitative expectations in agreement with some of the analogous tools proposed so far. We illustrate its prediticve power by tackling a few canonical examples.

PhysicsQuantum PhysicsN-LEVEL SYSTEMSQuantum decoherenceGaussianProcess (computing)FOS: Physical sciencesAtomic and Molecular Physics and OpticsSettore FIS/03 - Fisica Della MateriaCharacterization (materials science)DYNAMICAL SEMIGROUPSsymbols.namesakeN-LEVEL SYSTEMS; DYNAMICAL SEMIGROUPSMeasurement theorysymbolsStatistical physicsQuantum Physics (quant-ph)
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Geometric Optimal Control of Simple Quantum Systems

2011

International audience

[PHYS.PHYS.PHYS-AO-PH]Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph]PhysicsN-LEVEL SYSTEMSQuantum dynamicsCONTROLLABILITYALGORITHMSTopology01 natural sciences[PHYS.PHYS.PHYS-AO-PH] Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph]010305 fluids & plasmasDYNAMICAL SEMIGROUPSQuantum probabilityOpen quantum systemClassical mechanics[ PHYS.PHYS.PHYS-AO-PH ] Physics [physics]/Physics [physics]/Atmospheric and Oceanic Physics [physics.ao-ph]STATESQuantum error correctionQuantum process0103 physical sciencesQuantum phase estimation algorithmQuantum operationQuantum algorithm010306 general physicsComputingMilieux_MISCELLANEOUS
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