Journal
JETP LETTERS
Volume 90, Issue 4, Pages 289-294Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0021364009160139
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Funding
- Institut Henri Poincare
- IFRAF Institute [05-BLAN-0205, 06-NANO-014-01]
- ESF
- Dutch Foundation FOM
- CNRS [8626]
- GNSF [N 06_81_4_100]
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We develop a bosonization approach for finding magnetic susceptibility of 1D attractive two component Fermi gas at the onset of magnetization taking into account the curvature effects. It is shown that the curvature of free dispersion at the Fermi points couples the spin and charge modes and leads to a linear critical behavior and finite susceptibility for a wide range of models. Possible manifestations of spin-charge coupling in cold atomic gases are also briefly discussed.
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