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Next-to-next-to-leading-order epsilon expansion for a Fermi gas at infinite scattering length
Peter Arnold, Joaquin E. Drut, Dam Thanh Son
We extend previous work on applying the epsilon-expansion to universal properties of a cold, dilute Fermi gas in the unitary regime of infinite scattering length. We compute the ra…
Fermi gas near unitarity around four and two spatial dimensions
Yusuke Nishida, Dam Thanh Son
We construct systematic expansions around four and two spatial dimensions for a Fermi gas near the unitarity limit. Near four spatial dimensions such a Fermi gas can be understood…
Epsilon expansion for a Fermi gas at infinite scattering length
Yusuke Nishida, Dam Thanh Son
We show that there exists a systematic expansion around four spatial dimensions for Fermi gas in the unitarity regime. We perform the calculations to leading and next-to-leading or…
Linear Confinement and AdS/QCD
Andreas Karch, Emanuel Katz, Dam T. Son +1
In a theory with linear confinement, such as QCD, the masses squared m^2 of mesons with high spin S or high radial excitation number n are expected, from semiclassical arguments, t…