Non classical velocity statistics in a turbulent atomic Bose Einstein condensate Export

@article{citeulike:5845992, abstract = {In a recent experiment Paoletti et al (Phys. Rev. Lett. 101, 154501, 2008) monitored the motion of tracer particles in turbulent superfluid helium and inferred that the velocity components do not obey the Gaussian statistics observed in ordinary turbulence. Motivated by their experiment, we create a small turbulent state in an atomic Bose-Einstein condensate, which enables us to compute directly the velocity field, and we find similar non-classical power-law tails. Our result thus suggests that non-Gaussian turbulent velocity statistics describe a fundamental property of quantum fluids. We also track the decay of the vortex tangle in the presence of the thermal cloud.}, archivePrefix = {arXiv}, author = {White, Angela and Proukakis, Nick P. and Barenghi, Carlo F.}, citeulike-article-id = {5845992}, citeulike-linkout-0 = {http://arxiv.org/abs/0908.3260}, citeulike-linkout-1 = {http://arxiv.org/pdf/0908.3260}, day = {22}, eprint = {0908.3260}, keywords = {bose\_einstein\_condensate, qt, superfluid}, month = {Aug}, posted-at = {2009-09-27 23:43:35}, priority = {3}, title = {Non classical velocity statistics in a turbulent atomic Bose Einstein condensate}, url = {http://arxiv.org/abs/0908.3260}, year = {2009} }

TY - JOUR ID - citeulike:5845992 L3 - citeulike-article-id:5845992 N2 - In a recent experiment Paoletti et al (Phys. Rev. Lett. 101, 154501, 2008) monitored the motion of tracer particles in turbulent superfluid helium and inferred that the velocity components do not obey the Gaussian statistics observed in ordinary turbulence. Motivated by their experiment, we create a small turbulent state in an atomic Bose-Einstein condensate, which enables us to compute directly the velocity field, and we find similar non-classical power-law tails. Our result thus suggests that non-Gaussian turbulent velocity statistics describe a fundamental property of quantum fluids. We also track the decay of the vortex tangle in the presence of the thermal cloud. TI - Non classical velocity statistics in a turbulent atomic Bose Einstein condensate KW - bose_einstein_condensate KW - qt KW - superfluid AU - White, Angela AU - Proukakis, Nick AU - Barenghi, Carlo PY - 2009/Aug/22/ UR - http://arxiv.org/abs/0908.3260 ER -