A stochastic posterior Schrödinger equation for counting nondemolition measurement |
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Authors: | V. P. Belavkin |
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Affiliation: | (1) MIEM, 109028 Moscow, U.S.S.R. |
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Abstract: | A stochastic model of the continuous counting nondemolition measurement of photons emitted by an excited atom in a quantum electromagnetic field is given. It is proved that the posterior dynamics of such an atom is described by a new nonlinear stochastic wave equation showing the relaxation of the atom to its ground state due to the photon emission. |
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Keywords: | 81C05 35L05 81K05 |
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