30 research outputs found

    Free expansion of a Bose-Einstein condensate at the presence of a thermal cloud

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    We investigate numerically the free-fall expansion of a 87^{87}Rb atoms condensate at nonzero temperatures. The classical field approximation is used to separate the condensate and the thermal cloud during the expansion. We calculate the radial and axial widths of the expanding condensate and find clear evidence that the thermal component changes the dynamics of the condensate. Our results are confronted against the experimental data

    Set-off, novation, release from debt

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    Multiple debtors or creditors

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    Three anniversaries and integration into European Union law

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    Public promise

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    My memories of Professor J贸zef Sk膮pski Junior

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