Curvature effects on magnetic susceptibility of 1D attractive two component fermions
| Authors |
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| Publication date |
2009
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| Journal |
JETP Letters
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| Volume | Issue number |
90 | 4
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| Pages (from-to) |
289-294
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| Organisations |
-
Faculty of Science (FNWI) - Institute of Physics (IoP) - Van der Waals-Zeeman Institute (WZI)
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| Abstract |
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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| Document type |
Article
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| Published at |
https://doi.org/10.1134/S0021364009160139
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