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Title of Journal: J Low Temp Phys

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Abbravation: Journal of Low Temperature Physics

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Springer US

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DOI

10.1007/978-1-62703-523-1_10

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1573-7357

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Vortex Dynamics in Trapped BoseEinstein Condensat

Authors: Enikő J M Madarassy Carlo F Barenghi
Publish Date: 2008/05/14
Volume: 152, Issue: 3-4, Pages: 122-135
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Abstract

We perform numerical simulations of vortex motion in a trapped BoseEinstein condensate by solving the twodimensional GrossPitaevskii Equation in the presence of a simple phenomenological model of interaction between the condensate and the finite temperature thermal cloud At zero temperature the trajectories of a single offcentred vortex precessing in the condensate and of a vortexantivortex pair orbiting within the trap excite acoustic emission At finite temperatures the vortices move to the edge of the condensate and vanish By fitting the finitetemperature trajectories we relate the phenomenological damping parameter to the friction coefficients α and α′ which are used to describe the interaction between quantised vortices and the normal fluid in superfluid helium

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  2. High-Field Transitions in ErFe 11 Ti and HoFe 11 Ti Single Crystals
  3. A Mo/Au Bilayer Transition Edge Sensor Modified with Normal Metal Structures
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  6. Investigation of the Double Superconducting Transition and Low-Temperature Specific Heat of Pr(Os 1-x Ru x ) 4 Sb 12
  7. Statistics of Quantum Turbulence in Superfluid He
  8. Adsorption of Helium Atoms on Two-Dimensional Substrates
  9. Calculation of Spin Glass Order Parameter in Spin Turbulence of Spin-1 Spinor Bose-Einstein Condensate
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  11. Specific Heat of the Monoclinic Rare Earth Double Tungstates
  12. High-Pressure and Electronic Band Structure Studies on Mo$$_{}$$BC
  13. The POLARBEAR-2 Experiment
  14. Development of the rf-SQUID Based Multiplexing System for the HOLMES Experiment
  15. Heat Capacity of Adsorbed Helium-3 at Ultra-Low Temperatures
  16. Structural and Superfluid Properties of the 4 He Monolayer on a C 28 Molecule
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