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24 April 2024 |
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Experimental investigation of the non-Markovian dynamics of classical and quantum correlations | | Jin-Shi Xu
; Chuan-Feng Li
; Cheng-Jie Zhang
; Xiao-Ye Xu
; Yong-Sheng Zhang
; Guang-Can Guo
; | | Date: |
25 May 2010 | | Abstract: | We experimentally investigate the dynamics of classical and quantum
correlations of a Bell diagonal state in a non-Markovian dephasing environment.
The sudden transition from classical to quantum decoherence area is observed.
Due to the refocusing effect of the relative phase, the quantum correlation
revives from near zero and then decays again in the subsequent evolution.
However, the non-Markovian effect is too weak to revive the classical
correlation, which remains constant in the same evolution range. With the
implementation of an optical $sigma_{x}$ operation, the sudden transition from
quantum to classical revival regime is obtained and correlation echoes are
demonstrated. Our method can be used to control the revival time of
correlations, which would be important for the quantum memory. | | Source: | arXiv, 1005.4510 | | Services: | Forum | Review | PDF | Favorites | |
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