Misbeliefs and misunderstandings about the non-Markovian dynamics of a damped harmonic oscillator

6533b86ffe1ef96bd12ce9ad

RESEARCH PRODUCT

Misbeliefs and misunderstandings about the non-Markovian dynamics of a damped harmonic oscillator

Francesco Intravaia Jyrki Piilo Antonino Messina Sabrina Maniscalco

subject

Physics Density matrix Quantum Physics Physics and Astronomy (miscellaneous)Dynamics (mechanics)FOS: Physical sciences Markov process Type (model theory)Atomic and Molecular Physics and Optics symbols.namesake Classical mechanics Exact solutions in general relativity decoherence non-Markovian dynamics damped harmonicoscillator symbols Rotating wave approximation Quantum Physics (quant-ph)Harmonic oscillator

description

We use the exact solution for the damped harmonic oscillator to discuss some relevant aspects of its open dynamics often mislead or misunderstood. We compare two different approximations both referred to as Rotating Wave Approximation. Using a specific example, we clarify some issues related to non--Markovian dynamics, non--Lindblad type dynamics, and positivity of the density matrix.

year	journal	country	edition	language
2003-06-28	Journal of Optics B: Quantum and Semiclassical Optics

https://doi.org/10.1088/1464-4266/6/3/016

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