Quantum dynamical echo in two-level systems

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dc.creatorSankaranarayanan, R.
dc.creatorSheeba, Jane H.
dc.creatorLakshmanan, M.
dc.date2005-06-08
dc.date.accessioned2026-07-07T05:36:31Z
dc.date.available2026-07-07T05:36:31Z
dc.descriptionEvolution of quantum fidelity for two-level systems is studied in the context of periodic echo. From a general treatment for time independent case, we obtain a simple condition on the governing Hamiltonians under which the systems display periodic quantum echo. For a specific time dependent problem the quantum fidelity is shown to exhibit Rabi oscillation. This may be considered as a simple mechanism to generate periodic echo, except for a specific initial superpositional state in which case the fidelity remains invariant.
dc.description6 pages
dc.identifierhttps://arxiv.org/abs/nlin/0506018
dc.identifierhttp://arxiv.org/abs/nlin/0506018
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/81018
dc.subjectExactly Solvable and Integrable Systems
dc.subjectQuantum Physics
dc.titleQuantum dynamical echo in two-level systems
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