Bose Einstein Condensation
High temperature Bose-Einstein condensation
... Bose-Einstein condensation (BEC) was predicted right after the introduction of Bose statistics [1]. However, it took 70 years to observe BEC experimentally [2]. The main difficulty for obtaining ...
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Quantum theory of multimode exciton polariton Bose Einstein Condensation
... and Bose-Einstein condensation (BEC) in cold atomic gases, condensation in other, more subtle, quasiparticle systems [Mosk 62, Demo 06] presents a rich panel of theoretical challenges and ...
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AN EVALUATION OF CRITICAL TEMPERATURE (TC) FOR BOSE-EINSTEIN CONDENSATION (BEC) OF THE ATOM-MOLECULE MIXTURE AT THE TOTAL FIXED ATOMIC DENSITY
... for Bose-Einstein condensation of the atom- molecule mixture at the fixed total atomic density, one studies the effective atom-molecular theory 1,2 ...
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Dynamics of spatial coherence and momentum distribution of polaritons in a semiconductor microcavity under conditions of Bose Einstein condensation
... of Bose–Einstein condensation in a GaAs microcavity with embedded quantum wells under nonresonant excitation with pico second laser pulses are ...
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Pump power driven mode switching in a microcavity device and its relation to Bose Einstein condensation
... a Bose-Einstein condensate of photons is formed in mode l (mode ...to condensation in mode l, when the pump power is ramped ...equilibrium Bose-Einstein condensation for strong ...
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Large-Scale Bose-Einstein Condensation in an Atomic Gas by Applying an Electric Field
... Large-scale Bose-Einstein condensation (BEC) of cesium atoms has been observed ...normal condensation (more than 10 13 ), large-scale BEC has never been ...
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An Evaluation of Frequency of the Lowest Collective Mode, Speed of Sound and Frequencies of Monopole and Quadrupole Excitations in Bose-Einstein Condensation in Trapped Gases
... Keywords: Bose-Einstein condensation in trapped atomic gases, time dependent Gross-Pitaeveskii equation, Frequency of collective modes, Monopole excitation, Quadrupole e[r] ...
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Bose-Einstein Condensation Controlled by (HOP+OLP) Trapping Potentials
... In this study, we examine and extend the analysis of Bose-Einstein condensation in an external harmonic potential applied along X-axis, and optical lattice potentials applied along Y-axis. The two- ...
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Magnetic Trapping Apparatus and Frequency Stabilization of a Ring Cavity Laser for Bose-Einstein Condensation Experiments. Ina B.
... The first one deals with the construction of a magnetic trapping appara- tus that is used to create Bose–Einstein Condensation (BEC). Magnetic traps are used to confine and compress neutral ...
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Fluctuations and temperature effects in bose-einstein condensation★
... This model has been used to observe the spontaneous nucleation of vortices during the condensation process (see [34]). Indeed, the appearance of topological defects during a phase transition is predicted by the ...
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Bose –Einstein Condensation in Complex networks related to Consciousness
... Various types of complex networks such as World Wide Web, citations and maps can be mapped on to Bose gas. In this paper it is shown that the neural network involved in consciousness can be mapped on to a ...
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Polariton Dynamics and Bose Einstein Condensation in semiconductor microcavities
... sity and temperature depend logarithmically on this length scale. Due to the peculiarity introduced by the 2D character of semiconductor microcavities, the grid uniform in energy considered in Ref. 18 is not well suited ...
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An Evaluation of Condensation temperature Tc and Condensate fraction for Bose- Einstein Condensation of Trapped Atomic Gas Using Non Extensive Statistical Mechanics
... Condensation interacting atoms or molecules the theoretical understanding of transition temperature is not always obvious due to the interaction of zero point energy which can not be exactly taken into account. ...
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Bose-Einstein condensation and the atom laser
... A velocity dependent sub-Doppler cooling mechanism arises in this configuration due to a combination of polarisation-dependent optical pumping and constant but different light shifts 2 .[r] ...
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All optical spinor Bose Einstein condensation and the spinor dynamics driven atom laser
... Albert Einstein extended ideas put forth by Satyendra Nath Bose, who had been examining photon statistics and blackbody radiation; these insights resulted in our modern notion of Bose-Einstein ...
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Theoretical atom optics : evanescent wave atom optics and Bose-Einstein condensation
... by Bose [11] and Einstein [12], hence the name Bose-Einstein con densation, or ...gas Bose-Einstein condensate in which the particles interact with each other only ...
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Optimization of Bose-Einstein Condensate Imaging Techniques
... Upon determination of the simulation optimum imaging parameters, analysis of the exper- imental reality of our imaging system was performed. Our experimental apparatus con- sisted of a illuminating our PhotonMAX CCD ...
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Anisotropy and vortices in Bose Einstein condensates
... of condensation was predicted in 1925 by Einstein, on the basis of a paper by Bose: for a gas of non interacting particles, below a certain temperature, there is a phase transition where a ...
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On the observation of nonclassical excitations in Bose–Einstein condensates
... Bose–Einstein condensation (BEC) is a macroscopic quantum phenomenon where a large fraction of the bosons occupy the same lowest energy quantum state, and thus form a coherent matter ...
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Sonic Superradiance in Bose Einstein Condensates
... The failure to resolve the question on which the research here presented was focused indicates that there is still a great deal of work to be done on the question. The numerical script used to simulate the system seems ...
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