Effective Lagrangian of unitary Fermi gas from $ε$ expansion TeX Export

@misc{citeulike:2142297, abstract = {Using \$\varepsilon\$ expansion technique proposed in \cite{Nishida:2006br} we derive an effective Lagrangian (Ginzburg-Landau-like functional) of the degenerate unitary Fermi gas to the next-to-leading (NLO) order in \$\varepsilon.\$ It is demonstrated that for many realistic situations it is sufficient to retain leading order (LO) terms in the derivative expansion. The functional is used to study vortex structure in the symmetric gas, and interface between normal and superfluid phases in the polarized gas. The resulting surface free energy is about four times larger than the value previously quoted in the literature.}, archivePrefix = {arXiv}, author = {Kryjevski, Andrei}, citeulike-article-id = {2142297}, citeulike-linkout-0 = {http://arxiv.org/abs/0712.2093}, citeulike-linkout-1 = {http://arxiv.org/pdf/0712.2093}, day = {13}, eprint = {0712.2093}, keywords = {eft, epsilon, expansion, fermi\_gas}, month = {Dec}, posted-at = {2007-12-18 19:41:48}, priority = {2}, title = {Effective Lagrangian of unitary Fermi gas from \$\varepsilon\$ expansion}, url = {http://arxiv.org/abs/0712.2093}, year = {2007} }

TY - ELEC ID - citeulike:2142297 L3 - citeulike-article-id:2142297 N2 - Using $\varepsilon$ expansion technique proposed in \cite{Nishida:2006br} we derive an effective Lagrangian (Ginzburg-Landau-like functional) of the degenerate unitary Fermi gas to the next-to-leading (NLO) order in $\varepsilon.$ It is demonstrated that for many realistic situations it is sufficient to retain leading order (LO) terms in the derivative expansion. The functional is used to study vortex structure in the symmetric gas, and interface between normal and superfluid phases in the polarized gas. The resulting surface free energy is about four times larger than the value previously quoted in the literature. TI - Effective Lagrangian of unitary Fermi gas from $\varepsilon$ expansion KW - eft KW - epsilon KW - expansion KW - fermi_gas AU - Kryjevski, Andrei PY - 2007/Dec/13/ UR - http://arxiv.org/abs/0712.2093 ER -