[PDF] Top 20 Classical and Quantum Field Theory of Bose-Einstein Condensates

... Due to several questions that arose in this section, seeking an answer to which lies not within the scope of this thesis, we in the following present multiple ex- perimentally realisable setups for the creation of sonic ... See full document

... a quantum effect that has a very low temperature, and therefore BECs, with their relatively simple quantum description and very low background temperature, would be ideal for attempting to reproduce ...is ... See full document

... Observations about the vortex lifetimes suggest the occurrence of a mechanism that suppresses the reconnection processes, keeping the total number of vortices unchanged. The roles of the relative veloc- ity and of the ... See full document

... Within quantum optics nonclassicality criteria have been defined that delineate between classical and nonclassical attributes of the quantum ...the quantum theories of both light and BECs can ... See full document

... investigate quantum field theory in curved spacetime, and in turn, may permit observation of Hawking ...and quantum field ...system, Bose-Einstein Condensates, will ... See full document

... nonuniform quantum gases at zero temperature can be made in the framework of the Gross-Pitaevskii ...The field operator used to describe quantum phenomena can be replaced by a classical ... See full document

... and Bose-Einstein condensed ultra cold gases [32] and continues to be a fascinating subject for ...GP theory describes the classical features of the BEC, equivalent to the theory of ... See full document

... haunt classical as well as quantum flu- ids. For example, classical supersonic flows can trigger shock waves [1, 2] or moving obstacles in Bose-Einstein condensates [3] can shed ... See full document

... non-linear quantum optics experiment, except that the nonlin­ earities are provided by collisions between atoms rather than non-linear crys­ tals or feedback ... See full document

... for quantum gases, thus overcoming the problem of their neutrality ...gauge field arises when the system follows adiabatically one of the local eigenstates of the light-atom interaction Hamiltonian (dressed ... See full document

... in quantum tech- nology from a fundamentally different ...of quantum information, the collective quantum ex- citations of the atoms, phonons, were used [26–28] (for a recent review see ...emerging ... See full document

... compared to the total Rabi frequency, the dark state will remain stable 关22兴. Shape oscillations or rotations in Bose- Einstein condensates typically involve velocities less than the speed of sound ... See full document

... space-time quantum theory, the creation of matter from the orthogonal 4th space Bose-Einstein condensed magnetic monopole Boson fields, in the Grand Canonical Ensemble, due to space dimension ... See full document

... Bose-Einstein condensates are coherent matter waves, produced by cooling gaseous atomic clouds to ultra-low ...measurements, Bose-condensed sources present an intriguing alternative to thermal ... See full document

... the field of atomic and optical physics is experiencing a fruitful cross-fertilization with quantum information ...of quantum informational concepts such as entanglement [2] have proven useful to ... See full document

... the quantum projection noise limit and the effect of interactions in a Ramsey atom interferometer operating between the clock states of 87Rb Bose-Einstein conden­ ...87Rb Bose-Einstein ... See full document

... To analyze the quasiparticle vacuum, we use the Heisenberg picture of quan- tum mechanics where observables evolve while the quantum state is invariant. We describe the initial (and final) vacuum state with ... See full document

... ton condensates become ...polariton condensates, this time within the umbrella of quantum information processing, is through the manip- ulation of the ...in quantum information science [Ball ... See full document

... In addition, the system suggests many interesting ap- plications. Using cavities with a decay rate κ of the order of the condensate vibrational frequencies in the potential, the finite response time of the cavity implies ... See full document

... dipolar Bose – Einstein condensates ( BECs ) in systems composed of atoms with a large magnetic moment provided a breakthrough in ultra-cold gas physics [ 1 – 3 ] ...self-bound quantum matter ... See full document