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  • PACS. 42.50.Lc Quantum fluctuations, quantum noise, and quantum jumps - 32.80.-t Photon interactions with atoms  (1)
  • photon emission  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Photon emission as a random event (1988)
    Springer
    Journal of statistical physics 53 (1988), S. 417-438 
    Details
    ISSN: 1572-9613
    Keywords: Random events ; photon emission ; waiting times
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The statistical properties of the random events that correspond to the emission or the detection of a photon spontaneously emitted by a single atom are discussed. This statistics constitutes a full and nontrivial solution of the stochastic theory of random events. The results are most explicit for an atom with two relevant states. The formalism is also generalized to atomic models with nondegenerate states or with more than one driven transition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01011564
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Quantum-state diffusion with adaptive noise (1998)
    Springer
    The European physical journal 2 (1998), S. 175-180 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 42.50.Lc Quantum fluctuations, quantum noise, and quantum jumps - 32.80.-t Photon interactions with atoms
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We present a scheme for stochastic quantum-state diffusion (QSD) with adaptive noise to calculate the time evolution of an arbitrary observable of an open system. The method is based on the fact that the observable is much less sensitive to adaptive noise than to noise with a random phase. Hence, the individual realisations of the expectation value of the observable stay closer to the average evolution and fewer realisations are required to obtain the ensemble average. This is illustrated by applying QSD to a driven two-level system using both randomly phased and adaptive noise. Applying QSD with adaptive noise to an undriven two-level system enables us to derive a deterministic Schrödinger equation that produces the exact evolution of an arbitrary observable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100530050127
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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