Search results for " Adiabatic evolution"

showing 2 items of 2 documents

Zeno-like phenomena in STIRAP processes

2011

The presence of a continuous measurement quantum Zeno effect in a stimulated Raman adiabatic passage is studied, exploring in detail a sort of self-competition of the damping, which drives the system toward a loss of population and, at the same time, realizes the conditions for optimizing the adiabatic passage.

PhysicsContinuous measurementeducation.field_of_studyPopulationStimulated Raman adiabatic passageCondensed Matter PhysicsAtomic and Molecular Physics and OpticsSettore FIS/03 - Fisica Della Materialaw.inventionClassical mechanicslawQuantum mechanicsAdiabatic processeducationZeno's paradoxesSTIRAP Adiabatic evolution Quantum Zeno effectMathematical PhysicsBose–Einstein condensateQuantum Zeno effect
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Interaction-free evolution in the presence of time-dependent Hamiltonians

2015

The generalization of the concept of interaction-free evolutions (IFE) [A. Napoli, {\it et al.}, Phys. Rev. A {\bf 89}, 062104 (2014)] to the case of time-dependent Hamiltonians is discussed. It turns out that the time-dependent case allows for much more rich structures of interaction-free states and interaction-free subspaces. The general condition for the occurrence of IFE is found and exploited to analyze specific situations. Several examples are presented, each one associated to a class of Hamiltonians with specific features.

PhysicsPure mathematicsClass (set theory)Quantum PhysicsMeasurement theoryFree evolutionGeneralizationFOS: Physical sciencesQuantum Physics (quant-ph)Light and Matter Interaction Few-Level systems Adiabatic evolutionsLinear subspaceSettore FIS/03 - Fisica Della MateriaAtomic and Molecular Physics and Optics
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