APS » PROLA » Phys. Rev. Lett. » Volume 84 » Issue 22

Phys. Rev. Lett. 84, 5118 - 5121 (2000)

Stochastic Resonance in the Coherence of a Quantum System
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Thomas Wellens1 and Andreas Buchleitner1,2
1Max-Planck-Institut für Physik komplexer Systeme, Nöthnitzer Strasse 38, D-01187 Dresden, Germany
2Department of Physics of Complex Systems, The Weizmann Institute of Science, Il-76100 Rehovot, Israel

Received 28 October 1999

We demonstrate the noise-induced amplification of a weak periodic signal inscribed in the coherence of a two-level atom, interacting with a single mode of the quantized radiation field coupled to a dissipative environment.


©2000 The American Physical Society

URL: http://link.aps.org/abstract/PRL/v84/p5118
DOI: 10.1103/PhysRevLett.84.5118
PACS: 42.50.Lc, 02.50.Ey, 05.40.Ca, 32.80.-t

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