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|Title:||Metastability in spin-polarized Fermi gases|
|Source:||Liao, Y.A., Revelle, M., Paprotta, T., Rittner, A.S.C., Li, W., Partridge, G.B., Hulet, R.G. (2011-09-28). Metastability in spin-polarized Fermi gases. Physical Review Letters 107 (14) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.107.145305|
|Abstract:||We study the role of particle transport and evaporation on the phase separation of an ultracold, spin-polarized atomic Fermi gas. We show that the previously observed deformation of the superfluid paired core is a result of evaporative depolarization of the superfluid due to a combination of enhanced evaporation at the center of the trap and the inhibition of spin transport at the normal-superfluid phase boundary. These factors contribute to a nonequilibrium jump in the chemical potentials at the phase boundary. Once formed, the deformed state is highly metastable, persisting for times of up to 2 s. © 2011 American Physical Society.|
|Source Title:||Physical Review Letters|
|Appears in Collections:||Staff Publications|
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