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10.1038/srep11509 http://scihub22266oqcxt.onion/10.1038/srep11509 C4477237!4477237!26099840     free     free     free       Sci+Rep 2015 ; 5 (ä): ä Nephropedia Template TP {{tp|p=26099840|t=2015. Zeno dynamics in quantum open systems |pdf=|usr=}}{{26099840}} gab.com Text Zeno dynamics in quantum open systems JO: Sci Rep http://www.kidney.de/pget.php?&tw=1&pmid=26099840 #FOAvip Quantum Zeno effect shows that frequent observations can slow down or even stop the unitary time evolution of an unstable quantum system. This effect can also be regarded as a physical consequence of the statistical indistinguishability of neighboring quantum states. The accessibility of quantum Zeno dynamics under unitary time evolution can be quantitatively estimated by quantum Zeno time in terms of Fisher information. In this work, we investigate the accessibility of quantum Zeno dynamics in quantum open systems by calculating noisy Fisher information when a trace preserving and completely positive map is assumed. We firstly study the consequences of non-Markovian noise on quantum Zeno effect and give the exact forms of the dissipative Fisher information and the quantum Zeno time. Then, for the operator-sum representation, an achievable upper bound of the quantum Zeno time is given with the help of the results in noisy quantum metrology. It is of significance that the noise reducing the accuracy in the entanglement-enhanced parameter estimation can conversely be favorable for the accessibility of quantum Zeno dynamics of entangled states. Twit Text FOAVip Zeno dynamics in quantum open systems ????Sci Rep http://www.kidney.de/pget.php?&tw=1&pmid=26099840 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26099840 #FOAvip English Wikipedia <ref>{{Cite pmid|26099840}}</ref> Zeno dynamics in quantum open systems #MMPMID26099840 Zhang YR; Fan H Sci Rep 2015[]; 5 (ä): ä PMID26099840show ga Quantum Zeno effect shows that frequent observations can slow down or even stop the unitary time evolution of an unstable quantum system. This effect can also be regarded as a physical consequence of the statistical indistinguishability of neighboring quantum states. The accessibility of quantum Zeno dynamics under unitary time evolution can be quantitatively estimated by quantum Zeno time in terms of Fisher information. In this work, we investigate the accessibility of quantum Zeno dynamics in quantum open systems by calculating noisy Fisher information when a trace preserving and completely positive map is assumed. We firstly study the consequences of non-Markovian noise on quantum Zeno effect and give the exact forms of the dissipative Fisher information and the quantum Zeno time. Then, for the operator-sum representation, an achievable upper bound of the quantum Zeno time is given with the help of the results in noisy quantum metrology. It is of significance that the noise reducing the accuracy in the entanglement-enhanced parameter estimation can conversely be favorable for the accessibility of quantum Zeno dynamics of entangled states. äZeno dynamics in quantum open systems (epmc).pdf DeepDyve Pubget Overpricing