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Quantum Speed Limit of a Photon under Non-Markovian Dynamics |
| XU Zhen-Yu, ZHU Shi-Qun** |
School of Physical Science and Technology, Soochow University, Suzhou 215006
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| Cite this article: |
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XU Zhen-Yu, ZHU Shi-Qun 2014 Chin. Phys. Lett. 31 020301 |
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Abstract Quantum speed limit (QSL) time under noise has drawn considerable attention in real quantum computational processes. Though non-Markovian noise is found to be able to accelerate quantum evolution for a damped Jaynes–Cummings model, in this work we show that non-Markovianity will slow down the quantum evolution of an experimentally controllable photon system. As an application, QSL time of a photon can be controlled by regulating the relevant environment parameter properly, which nearly reaches the currently available photonic experimental technology.
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Received: 04 October 2013
Published: 28 February 2014
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| PACS: |
03.65.Yz
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(Decoherence; open systems; quantum statistical methods)
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42.50.Lc
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(Quantum fluctuations, quantum noise, and quantum jumps)
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03.67.-a
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(Quantum information)
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