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Chaos and quantum irreversibility (1992)

Roncaglia, Roberto ; Bonci, Luca ; Grigolini, Paolo ; [et al.]

Springer

Journal of statistical physics 68 (1992), S. 321-343

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ISSN: 1572-9613

Keywords: Chaos ; quantum irreversibility ; spin-boson Hamiltonian ; Wigner distribution

Source: Springer Online Journal Archives 1860-2000

Topics: Physics

Notes: Abstract We study the Hamiltonian of a two-level system interacting with a one-mode radiation field by means of the Wigner method and without using the rotating-wave approximation. We show that a phenomenon of collapses and revival, reminiscent of that exhibited by the Jaynes-Cummings model, takes place in the high-coupling limit. This process appears as irreversible or virtually reversible, according to whether the semiclassical regime is chaotic or not. Thus, we find a new mechanism for dissipation in the quantum domain.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF01048848

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