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Related papers: P-wave Pairing in Two-Component Fermi Systems with…

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We study p-wave pairing in a two-component Fermi system with unequal population across weak-coupling BCS to strong-coupling BEC regimes. We find a rich $m_s=0$ spin triplet p-wave superfluid ground state structure as a function of…

Superconductivity · Physics 2015-09-01 Renyuan Liao , Florentin Popescu , Khandker Quader

We consider the problem of spin-triplet p-wave superfluid pairing with total spin projection $m_s=0$ in atomic Fermi gas across the Feshbach resonance. We allow for imbalanced populations and take into account the effects due to presence of…

Quantum Gases · Physics 2017-04-12 A. A. Kirmani , K. Quader , M. Dzero

We investigate the phenomenon of fermionic pairing with mismatched Fermi surfaces in a two-species system in the presence of Feshbach resonance, where the resonantly-paired fermions combine to form bosonic molecules. We observe that the…

Quantum Gases · Physics 2011-10-18 Raka Dasgupta

The anisotropic Fermi superfluid of ultra-cold Fermi atoms under the p-wave Feshbach resonance is studied theoretically. The pairing symmetry of the ground state is determined by the strength of the atom-atom magnetic dipole interaction. It…

Other Condensed Matter · Physics 2007-05-23 Chi-Ho Cheng , Sung-Kit Yip

We theoretically study a possible new pairing mechanism for a two-dimensional population imbalanced Fermi gas with short-range repulsive interactions which can be realized on the upper branch of a Feshbach resonance. We use a…

Quantum Gases · Physics 2013-05-29 Shao-Jian Jiang , Xiao-Lu Yu , W. M. Liu

We study the stability of p-wave superfluidity against quantum fluctuations in two-dimensional Fermi gases near a p-wave Feshbach resonance . An analysis is carried out in the limit when the interchannel coupling is strong. By investigating…

Quantum Gases · Physics 2018-06-20 Shao-Jian Jiang , Fei Zhou

We present a theory of a degenerate atomic Fermi gas, interacting through a narrow Feshbach resonance, whose position and therefore strength can be tuned experimentally, as demonstrated recently in ultracold trapped atomic gases. The…

Superconductivity · Physics 2007-05-23 V. Gurarie , L. Radzihovsky

Within the framework of the variational approach the ground state is studied in a gas of Fermi atoms near the Feshbach resonance at negative scattering length. The structure of the originating superfluid state is formed by two coherently…

Other Condensed Matter · Physics 2007-05-23 Yu. Kagan , L. A. Maksimov

We study the phase diagram of the dilute two-component Fermi gas at zero temperature as a function of the polarization and coupling strength. We map out the detailed phase separations between superfluid and normal states near the Feshbach…

Statistical Mechanics · Physics 2009-07-31 C. -H. Pao , S. -K. Yip

We propose phase diagrams for an imbalanced (unequal number of atoms or Fermi surface in two pairing hyperfine states) gas of atomic fermions near a broad Feshbach resonance using mean field theory. Particularly, in the plane of interaction…

Strongly Correlated Electrons · Physics 2007-05-23 Hui Hu , Xia-Ji Liu

The induced intraspecies interactions among the majority species, mediated by the minority species, is computed for a population-imbalanced two-component Fermi gas. Although the Feshbach-resonance mediated interspecies interaction is…

Quantum Gases · Physics 2015-06-04 Kelly R. Patton , Daniel E. Sheehy

We address the phase of a highly polarized Fermi gas across a narrow Feshbach resonance starting from the problem of a single down spin fermion immersed in a Fermi sea of up spins. Both polaron and pairing states are considered using the…

Quantum Gases · Physics 2015-03-19 Ran Qi , Hui Zhai

The study of state-to-state spin-exchange collisions in the vicinity of $p$-wave Feshbach resonances offer great opportunities to explore many-body interactions and novel quantum phases. Here, we report the observation of a spin-exchange…

Quantum Gases · Physics 2024-06-04 Shuai Peng , Tangqian Shu , Bowen Si , Sijia Peng , Yixin Guo , Yongchang Han , Jiaming Li , Gaoren Wang , Le Luo

We investigate theoretically Fermionic superfluidity induced by Feshbach resonance in the orbital p-wave channel. We show that, due to the dipole interaction, the pairing is extremely anisotropic. When this dipole interaction is relatively…

Other Condensed Matter · Physics 2007-05-23 Chi-Ho Cheng , S. -K. Yip

We study the influence of population imbalance on the pairing, spin, and density instabilities of a two component ideal Fermi gas after a sudden quench of interactions near a Feshbach resonance. Over a large region of parameters the pairing…

Quantum Gases · Physics 2012-03-27 Inti Sodemann , D. A. Pesin , A. H. MacDonald

In this Letter we map out the mean field energy potential landscape of fermion pairing states with population imbalance near broad Feshbach Resonances. We apply the landscape to investigate the nature of phase separation, when the Hilbert…

Other Condensed Matter · Physics 2007-05-23 Zheng-Cheng Gu , Geoff Warner , Fei Zhou

We study the ground-state properties of one-dimensional mixtures of bosonic and fermionic atoms resonantly coupled to fermionic Feshbach molecules. When the particle densities of fermionic atoms and Feshbach molecules differ, the system…

Quantum Gases · Physics 2013-10-18 Shimul Akhanjee , Masahisa Tsuchiizu , Akira Furusaki

We present an overview of recent developments in species-imbalanced ("polarized") Feshbach-resonant Fermi gases. We summarize the current status of thermodynamics of these systems in terms of a phase diagram as a function of the Feshbach…

Quantum Gases · Physics 2010-06-25 Leo Radzihovsky , Daniel E. Sheehy

We study the ground state phase diagram of population balanced and imbalanced ultracold atomic Fermi gases with a short range attractive interaction throughout the crossover from BCS to Bose-Einstein condensation (BEC), in a two-dimensional…

Quantum Gases · Physics 2022-08-10 Lin Sun , Qijin Chen

We study a single-species polarized Fermi gas tuned across a narrow p-wave Feshbach resonance. We show that in the course of a BEC-BCS crossover the system can undergo a magnetic field-tuned quantum phase transition from a p_x-wave to a…

Superconductivity · Physics 2009-11-10 V. Gurarie , L. Radzihovsky , A. V. Andreev
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