Sankaranarayanan, R. ; Sheeba, Jane H. ; Lakshmanan, M. (2007) Dynamical echo in two-state quantum systems Chaos, Solitons & Fractals, 33 (5). pp. 1618-1624. ISSN 0960-0779
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.chaos.2006.03.036
Abstract
Evolution of quantum fidelity for two-level systems is studied in the context of periodic echo. For time independent case, we obtain a formal condition on the governing Hamiltonians under which the systems display periodic quantum echo. In addition, a revisit of single spin-1/2 system exposed to uniform rotating magnetic field elucidates that the well known Rabi oscillation is a simple mechanism to generate such echoes.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 85022 |
| Deposited On: | 29 Feb 2012 06:54 |
| Last Modified: | 29 Feb 2012 06:54 |
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