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Competition Between Pairing and Ferromagnetic Instabilities in Ultracold Fermi Gases Near Feshbach Resonances

机译：Feshbach共振附近的超冷费米气体中配对和铁磁不稳定性之间的竞争

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摘要

We study the quench dynamics of a two-component ultracold Fermi gas from the weak into the strong interaction regime, where the short time dynamics are governed by the exponential growth rate of unstable collective modes. We obtain an effective interaction that takes into account both Pauli blocking and the energy dependence of the scattering amplitude near a Feshbach resonance. Using this interaction we analyze the competing instabilities towards Stoner ferromagnetism and pairing.

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作者
Pekker, D.; Babadi, M.; Sensarma, R.; Zinner, N.; Pollet, L.;
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年度 2010
页码 1-6
总页数 6
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Ferromagnetism ; Gas surface interactions ; Fermi surfaces ; Cold gases ; Rates ; Reprints ; Instability;

机译：铁磁性;气体表面相互作用;费米面;冷气体;速率;重印;不稳定性;

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专利

1. Competition between Pairing and Ferromagnetic Instabilities in Ultracold Fermi Gases near Feshbach Resonances [J] . David Pekker, Mehrtash Babadi, Rajdeep Sensarma, Physical review letters . 2011,第5期

机译：Feshbach共振附近的超冷费米气体中配对与铁磁不稳定性之间的竞争
2. Threshold of molecular bound state and BCS transition in dense ultracold Fermi gases with Feshbach resonance [J] . Combescot R The European physical journal, D. Atomic, molecular, and optical physics . 2005,第1期

机译：具有Feshbach共振的致密超冷费米气体中分子结合态和BCS跃迁的阈值
3. Nature of superfluidity in ultracold Fermi gases near Feshbach resonances [J] . Stajic J, Milstein JN, Chen Q, Physical Review, A. Atomic, molecular, and optical physics . 2004,第6期

机译：Feshbach共振附近超冷费米气体中的超流性质
4. Closed-channel contribution in the BCS-BEC crossover regime of an ultracold Fermi gas with an orbital Feshbach resonance [C] . S Mondal, D Inotani, Y Ohashi International Conference on Low Temperature Physics . 2017

机译：BCS-BEC与轨道Feshach谐振的Ultracold Fermi气体的交叉制度的闭合通道贡献
5. Feshbach resonances in ultracold Bose-Fermi mixtures. [D] . Bortolotti, Daniele Carlo Enrico. 2007

机译：超冷Bose-Fermi混合物中的Feshbach共振。
6. Enhancement effect of mass imbalance on Fulde-Ferrell-Larkin-Ovchinnikov type of pairing in Fermi-Fermi mixtures of ultracold quantum gases [O] . Jibiao Wang, Yanming Che, Leifeng Zhang, -1

机译：质量不平衡对超冷量子气体费米-费米混合物中Fulde-Ferrell-Larkin-Ovchinnikov型配对的增强作用
7. Competition between pairing and ferromagnetic instabilities in ultracold Fermi gases near Feshbach resonances [O] . Pekker, David, Babadi, Mehrtash, Sensarma, Rajdeep, 2010

机译：超冷中配对和铁磁不稳定性之间的竞争 Feshbach附近的费米气体共振

Competition Between Pairing and Ferromagnetic Instabilities in Ultracold Fermi Gases Near Feshbach Resonances

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