Polarization Measurements and the Pairing Gap in the Universal Regime TeX Export

@article{citeulike:4032814, abstract = {We analyze recent cold-atom experiments on imbalanced Fermi systems using a minimal model with a BCS-like superfluid phase coexisting with a normal phase. This model is used to extract the T=0 pairing gap in the fully paired superfluid state. The recently measured particle density profiles are in good agreement with the theoretical predictions obtained from the universal parameters from previous Quantum Monte Carlo calculations. We find that the T=0 pairing gap is greater than 0.4 times the Fermi energy \$E\_F\$, with a preferred value of \$0.45 \pm 0.05\$ \$E\_F\$. The ratio of the pairing gap \$\Delta\$ to the Fermi Energy \$E\_F\$ is larger here than in any other system of strongly-paired fermions in which individual pairs are unbound.}, archivePrefix = {arXiv}, author = {Carlson, J. and Reddy, Sanjay}, citeulike-article-id = {4032814}, citeulike-linkout-0 = {http://arxiv.org/abs/0711.0414}, citeulike-linkout-1 = {http://arxiv.org/pdf/0711.0414}, day = {16}, eprint = {0711.0414}, keywords = {carlson, qmc, tsai}, month = {Nov}, posted-at = {2009-02-11 06:57:27}, priority = {2}, title = {Polarization Measurements and the Pairing Gap in the Universal Regime}, url = {http://arxiv.org/abs/0711.0414}, year = {2007} }

TY - JOUR ID - citeulike:4032814 L3 - citeulike-article-id:4032814 N2 - We analyze recent cold-atom experiments on imbalanced Fermi systems using a minimal model with a BCS-like superfluid phase coexisting with a normal phase. This model is used to extract the T=0 pairing gap in the fully paired superfluid state. The recently measured particle density profiles are in good agreement with the theoretical predictions obtained from the universal parameters from previous Quantum Monte Carlo calculations. We find that the T=0 pairing gap is greater than 0.4 times the Fermi energy $E_F$, with a preferred value of $0.45 \pm 0.05$ $E_F$. The ratio of the pairing gap $\Delta$ to the Fermi Energy $E_F$ is larger here than in any other system of strongly-paired fermions in which individual pairs are unbound. TI - Polarization Measurements and the Pairing Gap in the Universal Regime KW - carlson KW - qmc KW - tsai AU - Carlson, J AU - Reddy, Sanjay PY - 2007/Nov/16/ UR - http://arxiv.org/abs/0711.0414 ER -