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Many physicists believed it could not be done, but now a team in Germany has created a Bose–Einstein condensate (BEC) from photons. BECs are formed when identical bosons – particles with integer spin ...
Strong coupling treatment of the polaronic system consisting of an impurity in a condensate
Other Bose-Einstein condensation phenomena
2010/11/18
The strong coupling treatment of the Fr¨ohlich-type polaronic system, based on a canonical
transformation and a standard Landau-Pekar type variational wave function, is applied to the
polaronic syst...
Mapping out the quasi-condensate transition through the 1D-3D dimensional crossover
quasi-condensate transition 1D-3D dimensional crossover
2010/11/23
By measuring the density fluctuations in a highly elongated weakly interacting Bose gas, we observe and quantify the transition from the ideal gas to a quasi-condensate regime throughout the dimension...
Experimental realities refuting the existence of p=0 condensate in a system of interacting bosons : II. Spectroscopy of embedded molecules
molecular-rotations helium-clusters BEC Ground-state bosons helium-4
2010/11/22
Experimental observation of superfluidity in a microscopic cluster, M : (4He)x, of a
molecule (M) and x number of 4He atoms (with x ranging from 1 to many) is qualitatively
analyzed. It concludes th...
Experimental realities refuting existence of p=0 condensate in a system of interacting bosons : I. Electron bubble
BEC bosons electron-bubble He-4
2010/11/18
Physical reality of the existence of electron bubble in liquid 4He (or 3He) renders
a clear experimental evidence for a quantum particle (in an interacting environment as
seen by electron in liquid ...
Two-hadron correlations in the Color Glass Condensate formalism
Two-hadron correlations Color Glass Condensate formalism
2011/1/7
Two-hadron correlations are a sensitive probe of the dynamics of gluon saturation and the Color Glass Condensate formalism where the degrees of freedom are Wilson lines of the gluon field.
Growth dynamics of a Bose-Einstein condensate in a dimple trap without cooling
Growth dynamics dimple trap without cooling
2010/11/17
We study the formation of a Bose-Einstein condensate in a cigar-shaped three-dimensional harmonic trap,induced by the controlled addition of an attractive “dimple” potential along the weak axis. In th...
Condensate-free superfluidity induced by frustrated proximity effect
Condensate-free superfluidity frustrated proximity effect
2010/10/27
Since the discovery of superfluidity in 4He and Landau’s phenomenological theory, the relationship between Bose condensation and superfluidity has been intensely debated. 4He is known by now to be bot...
17 May 2007，Physicists in the US say they have witnessed the trademark coherence of a Bose-Einstein condensate in a cooled system of quasiparticles known as "polaritons". Although similar claims have ...