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Number of results

Journal

2011 | 9 | 6 | 1410-1420

Article title

Comparison between decoherence time for a two-state spin ½ system with its corresponding quantum retrieval period

Content

Title variants

Languages of publication

EN

Abstracts

EN
The evolution of a two-state quantum system (a spin ½ particle) in both the framework of standard quantum mechanics and under the decoherence regime is considered. The former approach on this issue is the well-known quantum flipping process of a dichotomic system subjected to a time-dependent magnetic field. In the latter approach, the Spin-Boson model is utilized to describe the interaction of system with its environment and the Born-Markov master equation is derived to obtain the decoherence time. It is possible to show that under certain conditions, one may find a potential conflict between the predictions of decoherence theory and the result observed in a typical quantum flipping experiment.

Publisher

Journal

Year

Volume

9

Issue

6

Pages

1410-1420

Physical description

Dates

published
1 - 12 - 2011
online
15 - 10 - 2011

Contributors

  • Research Group on Foundation of Quantum Theory and Information, Department of Chemistry, Sharif University of Technology, P.O.Box 11365-9516, Tehran, Iran
  • Research Group on Foundation of Quantum Theory and Information, Department of Chemistry, Sharif University of Technology, P.O.Box 11365-9516, Tehran, Iran

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11534-011-0047-y
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