Bose-Einstein atomic condensates
Experimental study of atomic Bose-Einstein condensates with internal degrees of freedom
... capable of trapping only weak field seeking states Our experiment : optical trap. capable of trapping any states, even for anti-parallel magnetic moment Control of magnetic field.[r] ...
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Bose-Einstein condensates in 'giant' toroidal magnetic traps
... phase-coherent atomic pulses (with very slowly decaying phase-space density) out of the BEC, very shortly after the pinch coils are turned ...of atomic orbits that occur if one simply releases the BEC at ...
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Classical and Quantum Field Theory of Bose-Einstein Condensates
... However it was not until recent years that quantum-field effects in these ultra- cold many-body systems were studied in greater detail. Earlier, surprisingly many BEC phenomena could be explained using mean field theory, ...
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BOGOLIUBOV TRANSFORMATIONS AND QUANTUM DECOHERENCE IN AN ATOMIC BOSE EINSTEIN CONDENSATE
... Alternatively, squeezed coherent zero-mode is also considered in a variational study [14]. Superpositions of squeezed states are also con- sidered [15]. In addition, a generalized coherent state representation of ...
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Static and dynamic properties of spin-orbit-coupled Bose-Einstein condensates
... Ultracold atomic gases are good candidates to investigate these interesting quantum ...of Bose-Einstein condensation in a dilute atomic gas [6, 7, 8], the experimental techniques aiming at ...
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Genuine tripartite entanglement and nonlocality in Bose Einstein condensates by collective atomic recoil
... of atomic and optical physics is experiencing a fruitful cross-fertilization with quantum information ...hand, atomic, optical systems, and their interfaces, offer valuable test grounds to implement ...
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Large-Scale Bose-Einstein Condensation in an Atomic Gas by Applying an Electric Field
... voltage) to observe the BEC. Moreover, the author shows that the ultra-low temperature is not a necessary condition to verify the existence of BEC. This paper is interesting and certainly deserves publication in the ...
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Time-dependent variational approach for Bose-Einstein condensates with nonlocal interaction
... 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 ] ...mesoscopic atomic clouds ...
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Stationary and traveling solitons via local dissipations in Bose-Einstein condensates in ring optical lattices
... Typically, the Gaussian wavepacket would reshape into a solitonic profile. The atomic mass expelled from the wavepacket, however, forms a noisy backround. The peak fluctuates in height as it keeps interacting with ...
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Phase imprinting of Bose Einstein condensates with Rydberg impurities
... an atomic Bell state | + i = ( | Rg i + | gR i )/ √ 2 (with two atomic electronic states | g i , | R i ) into a spatial meso- scopic superposition state in the position of a single BEC bright soliton, akin ...
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Creation of coherence in Bose-Einstein condensates by atom detection
... including atomic collisions ...two condensates and γ is the rate at which atoms leak out of the conden- sates and are ...a Bose-Einstein condensate or other bosonic system with its environment ...
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Interactions and collisions of discrete breathers in two-species Bose-Einstein condensates in optical lattices
... Bose-Einstein condensates have become a formidable tool for studying basic fundamentals of atomic physics [1, 2]. When confined to an optical lattice they serve as an interest- ing analogue to ...
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Interferometry and precision measurements with Bose-condensed atoms
... two atomic states, enabling precision measurements with atom ...in atomic clocks [ 3, 4, 128 ] ...the atomic velocity distribution. Bose-Einstein condensates comprise a ...
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Generating and observing soliton dynamics in Bose Einstein Condensates
... a Bose-Einstein condensate in- trap in the far-detuned regime, demonstrating no observable heating or atom loss over 100 ...dual atomic species imaging, continuous imaging of small 85 Rb solitons ( ∼ ...
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Vortex nucleation in bose-einstein condensates due to effective magnetic fields
... a Bose-Einstein condensate using asymmetric traps or laser “spoons” 关 9–11 兴 has become a standard technique to induce vortices in ...as atomic Tonks-Girardeau 关 12–14 兴 and Quantum Hall gases 关6– ...
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Quantum decoherence of phonons in Bose–Einstein condensates
... two-component Bose-Einstein condensates, either as bosons condensed in two different spatial sites [7, 8] or as condensed bosons in different hyperfine levels [9, 10], have been widely considered for ...
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Theoretical atom optics : evanescent wave atom optics and Bose-Einstein condensation
... same atomic species ...two-species condensates allow many interesting experiments to be performed, especially since the two hyperfine sublevels can be coupled by means such as rf fields or laser driven ...
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The role of interactions in atom interferometry with Bose Condensed atoms
... of Bose-Einstein condensation in dilute alkali gases in 1995 [23, ...a Bose-Einstein condensate (BEC) emerged from Einstein's insightful synthe sis of the elucidation of photon statistics by ...
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Anisotropy and vortices in Bose Einstein condensates
... 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 macroscopic fraction of the gas gets condensed, that ...
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Coherent dynamics of Bose-Einstein condensates in high-finesse optical cavities
... of Bose- Einstein condensation in dilute gases [1–3], the properties and possible applications of condensates in various situ- ations have been ...of condensates in optical lattices [4–8] as ...
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