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    Axel pelster physik definition

    images axel pelster physik definition

    For the weakly interacting Bose gas we find for both models that this exponent is robust with respect to finite interaction strengths. The dipole mode, e. Journal: Phys. Furthermore, due to the trap isotropy the condensate shape is also isotropic. Supyielding. The reason is that, in the steady state, the refractive index near the trap centre is modified, so the collective modes exploring its neighbourhood get changed. Due to the interaction and the corresponding condensate broadening the third lowest energy state is also partially populated. The excited mode can then be observed by measuring spatially the light leaking out of the cavity.

  • Collective Modes of a Photon BoseEinstein Condensate with ThermoOptic Interaction

  • Dr. A.

    Bogojevic (Scientific Computing Laboratory, Institute of Physics, Belgrade) within a German-Serbian DAAD Programme; Project "Quantum Field Theory. Email: r@ Website: ~ apelster/ Private Address: Forststraße 49, Berlin, Germany.

    Video: Axel pelster physik definition 19. Bose gases

    Axel Pelster's research works with citations and reads, including: Moreover, it was suggested that, when the dipoles are rotated by means of an . Sep ; Journal of Physics B Atomic Molecular and Optical Physics.
    Journal: Phys. The resulting system of coupled ordinary differential equations is shown in detail in Ref.

    The corresponding collective features are due to effective photon-photon interactions, which are induced by the nonlinear matter. The aim is now to calculate the equations of motion for the amplitudes, the centre-of-masses and the widths, as well as their phases, following the procedure of Ref. The above predicted features can, in principle, be measured in two ways.

    Collective Modes of a Photon BoseEinstein Condensate with ThermoOptic Interaction

    images axel pelster physik definition
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    Sup yields. Staliunas by deriving a Ginzburg-Landau equation for laser light inside a cavity.

    This result is plotted in Fig. In the limit of a microcavity, i. D Phys.

    one-dimensional to three-dimensional phase transition of the weakly interacting ultracold Bose gas.

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    Bernhard Irsigler and Axel Pelster. Phys.

    Breakdown of the Kohn theorem near a Feshbach resonance in a magnetic trap. Hamid Al-Jibbouri and Axel Pelster. Phys. Rev.

    A 88, Germany Axel Pelster r@ Department of Physics There the cavity provides a well-defined ground state for the.
    Authorization Required. Detailed Equations of Motion.

    images axel pelster physik definition

    The experimental setup to create a BEC of photons consists of a microcavity filled with a dye solution. Following Ref. Hopping energy J as function of dimensionless lattice depth s : lines depict from the top to the bottom solutions of three different approximation methods described in the text, respectively.

    images axel pelster physik definition

    In particular, a breakdown of the Kohn theorem is predicted, i.

    images axel pelster physik definition
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    The reason is that, in the steady state, the refractive index near the trap centre is modified, so the collective modes exploring its neighbourhood get changed.

    The numerical solution of Eq.

    However, such condensates have turned out to be not of a Bose-Einstein type, as their life time is shorter than the intrinsic equilibration time. Research Areas. Note that in Ref.


    2 Replies to “Axel pelster physik definition”

    1. Zulkill

      C Phys. As a consequence, the effective longitudinal relaxation time of the temperature difference inside the cavity is provided by the transversal temperature difference diffusion in the mirrors.

    2. Shazahn

      Linearised Dynamics — Linearising the equations of motion with respect to small elongations out of the equilibrium yields a decoupling of the centre-of-mass from the width dynamics.