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Wigner 111 - Colourful and Deep

11–14 Nov 2013
Hungarian Academy of Sciences
Europe/Budapest timezone

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Session

Quantum Optics

12 Nov 2013, 08:30
Ceremonial Hall (Díszterem) (Hungarian Academy of Sciences)

Ceremonial Hall (Díszterem)

Hungarian Academy of Sciences

9. Széchenyi István Square, 1051 Budapest

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  1. 35. Wigner function in action: Classical description of measurement back-action
    Prof. Juha Javanainen (University of Connecticut, USA)
    12/11/2013, 08:30
    We consider a double-well trap containing a BEC, assuming that the numbers of the atoms on both sides of the trap are monitored continuously using light scattering. We develop both an exact quantum mechanical simulation, including back-action from detection of the scattered light, and a classical simulation by expanding the quantum theory as powers in the inverse of the total number of...
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  2. 77. Sequential quantum measurements
    Prof. János A. Bergou
    12/11/2013, 08:55
  3. 37. Nonlocal interferometry using Schrödinger cats
    Prof. James D. Franson (University of Maryland, USA)
    12/11/2013, 09:20
    Schrodinger cat states, which are quantum-mechanical superpositions of macroscopic states, are of fundamental interest in studying the boundary between the quantum and classical worlds. I will discuss a method for generating phase-entangled macroscopic coherent states using weak optical nonlinear phase shifts. These states can produce nonlocal interference effects that violate Bell’s...
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  4. 67. Wigner function and probability representation of quantum states
    Prof. Vladimir Man'ko
    12/11/2013, 09:45
    The relation of Wigner function with fair probability distribution called tomographic distribution or quantum tomogram associated with the quantum state is reviewed. The connection of the tomographic picture of quantum mechanics with the integral Radon transform of the Wigner quasidistribution is discussed. The Wigner-Moyal equation for the Wigner function is presented in the form of...
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  5. 34. Spontaneous photon emission in finite-sized cavities
    Prof. Gernot Alber (University of Darmstadt, Germany)
    12/11/2013, 10:30
    The dynamics of spontaneous photon emission and absorption by elementary two-level systems inside cavities of finite sizes is discussed. It is shown that the influence of boundaries of these cavities on spontaneous photon emission and absorption processes can be described in a convenient way with the help of semiclassical photon path representations over a wide range of wavelengths. Thereby,...
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  6. 36. Single dopants in diamond: quantum registers and nanoscale sensors
    Prof. Fedor Jelezko (University of Ulm, Germany)
    12/11/2013, 10:55
  7. 84. ELI-ALPS: A Challenge and Opportunity for European, Regional and National Science
    Prof. Dimitris Charalambidis
    12/11/2013, 11:20
    ELI-ALPS is one of the three pillars of ELI, the first large scale European laser user facility, and one of the ESFRI roadmap Research Infrastructures. ELI-ALPS, to be fully implemented in Szeged by 2018, focuses mainly on attosecond radiation sources offering beyond the state of the art beam parameters to international users. The challenge of turning contemporary research findings to a unique...
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  8. 91. The role of the Wigner function in charged particle beam dynamics
    Prof. Renato Fedele
    12/11/2013, 11:45
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