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|Type:||Artigo de periódico|
|Title:||Limits Of Weak Damping Of A Quantum Harmonic Oscillator|
|Abstract:||In this Brief Report we analyze the limit of very weak damping of a quantum-mechanical Brownian oscillator. It is shown that the propagator for the reduced density operator of the oscillator can be written as a double path integral of the same form as that obtained in the high-temperature limit. As a direct consequence, we can write a Fokker-Planck equation for the reduced density operator of the weakly damped oscillator (at any temperature) involving only the damping and a generalized diffusion constant in momentum space. © 1989 The American Physical Society.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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