Non-Markovian reservoir-dependent squeezing

Details Non-Markovian reservoir-dependent squeezing Non-Markovian reservoir-dependent squeezing

2010-01-26

arxiv.org/abs/1001.4669v1

Phys. Scr. T140, 014030 (2010)

Physics

Quantum Physics

8 pages, 2 figures, submitted to Proceedings of CEWQO2009

Scientific paper

10.1088/0031-8949/2010/T140/0140

The squeezing dynamics of a damped harmonic oscillator are studied for different types of environment without making the Markovian approximation. The squeezing dynamics of a coherent state depend on the reservoir spectrum in a unique way that can, in the weak coupling approximation, be analyzed analytically. Comparison of squeezing dynamics for Ohmic, sub-Ohmic and super-Ohmic environments is done showing a clear connection between the squeezing--non-squeezing oscillations and reservoir structure. Understanding the effects occurring due to structured reservoirs is important both from a purely theoretical point of view and in connection with evolving experimental techniques and future quantum computing applications.

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