Phase diffusion of Bose-Einstein Condensation close to zero temperature
classification
❄️ cond-mat.soft
cond-mat.mes-hall
keywords
diffusionphasebose-einsteinclosecondensatecorrelationfluctuationsquantum
read the original abstract
The correlation function of the quantum fluctuations due to collective excitations is calculated and used to investigate the phase diffusion of a Bose-Einstein condensate close to zero temperature. It is shown that the phase diffusion time of the condensate is much longer than the result obtained by assuming that the correlation time of the quantum fluctuations is infinity.
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