The Pairing Of Spin-Orbit Coupled Fermi Gas In Optical Lattice
- Superfluidity and collective modes in Rashba spin-orbit coupled Fermi.
- Impurity in a Fermi gas under non-Hermitian spin-orbit coupling.
- Unconventional pairings of spin-orbit coupled attractive degenerate.
- [1411.3043] Fermi Gases with Synthetic Spin-Orbit Coupling.
- Pairing superfluidity in spin-orbit coupled ultracold Fermi gases.
- Phase Diagram of a Spin-Orbit Coupled Dipolar Fermi Gas at T.
- PDF Spin-Orbit Coupled Degenerate Fermi Gases.
- Spin-Injection Spectroscopy of a Spin-Orbit Coupled Fermi Gas.
- Spin-Orbit Coupled Degenerate Fermi Gases - Physics.
- Phase diagram of interacting Fermi gas in spin-orbit coupled square.
- [1305.2443] Spin dynamics in a spin-orbit coupled Fermi gas.
- The effect of the spinorbit coupling on the physical.
- Spin-orbit coupled degenerate Fermi gases - PubMed.
- Phys. Rev. B 98, 165139 2018 - Spin-orbit coupling and.
Superfluidity and collective modes in Rashba spin-orbit coupled Fermi.
Download PDF Abstract: We investigate Rashba spin-orbit coupled Fermi gases in square optical lattice by using the determinant quantum Monte Carlo DQMC.
Impurity in a Fermi gas under non-Hermitian spin-orbit coupling.
Abstract. In this Letter, we report the first experimental realization and investigation of a spin-orbit coupled Fermi gas. Both spin dephasing in spin dynamics. We show how to characterize a normal spin-orbit coupled atomic Fermi gas in both non-interacting and strongly-interacting limits, using particularly momentum. Oct 26, 2018 Spin-orbit coupling and topological states in an F = 3 2 cold Fermi gas Igor Kuzmenko, Tetyana Kuzmenko, Yshai Avishai, and Masatoshi Sato Phys. Rev. B 98, 165139 Published 26 October 2018.
Unconventional pairings of spin-orbit coupled attractive degenerate.
The topology of Fulde-Ferrell FF superfluids with nonzero momentum pairings have never been explored until recent findings that FF superfluids in a spin-orbit SO coupled Fermi gas can accommodate Majorana fermions in real space in low dimensions and Weyl fermions in momentum space in three dimension. Open Access Published: 03 March 2016 Anderson Localization in Degenerate Spin-Orbit Coupled Fermi Gas with Disorder Sheng Liu, Xiang-Fa Zhou, Guang-Can Guo amp; Yong-Sheng Zhang Scientific Reports. We study the dynamics of a non-degenerate, harmonically trapped Fermi gas following a sudden ramp of the spin-orbit coupling strength. In the non-interacting limit, we solve the Boltzmann equation in the presence of spin orbit coupling analytically, and derive expressions for the dynamics of an arbitrary initial spin state. In particular we show that for a fully spin polarized initial state.
[1411.3043] Fermi Gases with Synthetic Spin-Orbit Coupling.
We briefly review recent progress on ultracold atomic Fermi gases with different types of synthetic spinorbit coupling, including the onedimensional 1D equal weight RashbaDresselhaus and two-dimensional 2D Rasbha spinorbit couplings. Theoretically, we show how the single-body, two-body and many-body properties of Fermi gases are. Aug 17, 2016 We describe the creation of a long-lived spin-orbit-coupled gas of quantum degenerate atoms using the most magnetic fermionic element, dysprosium. Spin-orbit coupling arises from a synthetic gauge field created by the adiabatic following of degenerate dressed states composed of optically coupled components of an atomic spin. The two spin components of the Fermi gas are non-interacting by themselves, but the impurity has a tunable, spin-selective interaction with one of the spin species. Such a configuration is experimentally achievable by tuning close to a Feshbach resonance between the impurity atom and the relevant spin state of the Fermi gas.
Pairing superfluidity in spin-orbit coupled ultracold Fermi gases.
It is revealed that the dipolar interaction along with spin-orbit coupling can corroborate the formation of ferromagnetism and that the Raman coupling adversely eliminates the tendency to this ferromagnetism transition, which greatly transcends the general understanding of this subject with contact interaction only. Recently, the spin-orbit coupled Bose-Einstein condensate in a 1D optical lattice has been realized experimentally31. Using a similar technique, the Hamiltonian 1 could also be achieved in 1D degenerate Fermi gases32,33. Moreover, the corresponding parameters can be tuned widely. Abstract: We study the dynamics of a non-degenerate, harmonically trapped Fermi gas following a sudden ramp of the spin-orbit coupling strength. In the non.
Phase Diagram of a Spin-Orbit Coupled Dipolar Fermi Gas at T.
For the Fermi gas with only Zeeman field, see Fig. 1a, the two mismatched Fermi surfaces always form concentric circles, therefore for the s-wave pairing, the up- and down-spins acquire different Fermi momentum, i.e., k Q/2, and , with and as spins in the pseudospin representation and Q as the total momentum of the Cooper pairs. The free.
PDF Spin-Orbit Coupled Degenerate Fermi Gases.
Aug 31, 2012 In this Letter, we report the first experimental realization and investigation of a spin-orbit coupled Fermi gas. Both spin dephasing in spin dynamics and momentum distribution asymmetry of the equilibrium state are observed as hallmarks of spin-orbit coupling in a Fermi gas. The single particle dis. In this paper, we investigate the phase diagram of the interacting Fermi gas with Rashba-type SOC on a square optical lattice. Such a system can be described by the spin orbit SO. We review some recent progresses on the study of ultracold Fermi gases with synthetic spin-orbit coupling. In particular, we focus on the pairing superfluidity in these systems at zero temperature. Recent studies have shown that different forms of spin-orbit coupling in various spatial dimensions can lead to a wealth of novel pairing superfluidity.
Spin-Injection Spectroscopy of a Spin-Orbit Coupled Fermi Gas.
The coupling of the spin of electrons to their motional state lies at the heart of recently discovered topological phases of matter and the spin-orbit gap is revealed via spin-injection spectroscopy, which characterizes the energy-momentum dispersion and spin composition of the quantum states. 506 PDF Spin-orbit-coupled Bose-Einstein condensates. Raman fields have previously been used to generate spin-orbit coupling and gauge fields in pioneering work on Bose-Einstein condensates [1012] and, recently, spin-orbit coupling in Fermi gases [13]. Here, we directly measure the spinful band structure of Eq. 1, as well as the rich band structure of a spin-orbit coupled lattice. For. The U.S. Department of Energy#x27;s Office of Scientific and Technical Information.
Spin-Orbit Coupled Degenerate Fermi Gases - Physics.
Here we create and detect spin-orbit coupling in an atomic Fermi gas, a highly controllable form of quantum degenerate matter. We directly reveal the spin-orbit. In this paper, we investigate the phase diagram of the interacting Fermi gas with Rashba-type SOC on a square optical lattice. Such a system can be described by the spin-orbit SO coupled fermionic Hubbard model, see equation 1 . We show that the SOC has important implications on the properties of MIT and phase diagram of this system.
Phase diagram of interacting Fermi gas in spin-orbit coupled square.
OSTI.GOV Journal Article: Condensate fraction of a resonant Fermi gas with spin-orbit coupling in three and two dimensions.
[1305.2443] Spin dynamics in a spin-orbit coupled Fermi gas.
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The effect of the spinorbit coupling on the physical.
It is shown that a strong spin-orbit coupling can significantly enhance the pairing gap for negative scattering length a s, due to increased density of state at Fermi surface, and the superfluid transition temperature Tc is enhanced. 112 PDF View 3 excerpts, references background Spin-Orbit Coupled Quantum Gases H. Zhai Physics 2011. We address a possibility of creating soliton states in oblate binary-fermionic clouds in the framework of the density-functional theory, which include....
Spin-orbit coupled degenerate Fermi gases - PubMed.
A spin-orbit-coupled Fermi gas could interact with itself because the lasers effectively split each atom into two distinct components, each with its own spin state, and two such atoms with.
Phys. Rev. B 98, 165139 2018 - Spin-orbit coupling and.
Here we create and detect spin-orbit coupling in an atomic Fermi gas, a highly controllable form of quantum degenerate matter [4, 5]. We reveal the spin-orbit gap [6] via spin-injection spectroscopy, which characterizes the energy-momentum dispersion and spin composition of the quantum states. For energies within the spin-orbit gap, the system. Spin-orbit coupling plays an increasingly important role in the modern condensed matter physics. For instance, it gives birth to.
