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Jul 2014 - Liu Group Arxiv Selection and Meeting Schedule.
FFLO Superfluids in 2D Spin-Orbit Coupled Fermi Gases.
Out-of-plane transport in ZrSiS and ZrSiSe microstructures.
Members | Munich Center for Quantum Science and Technology - MCQST.
ArXiv:2107.10973v2 [] 5 Oct 2021.
Effects of spin-orbit coupling on the BKT transition and the.
Two-dimensional transport and strong spin-orbit... - IOPscience.
Introduction to Fermi Gases.
PhD Projects | ARC Centre of Excellence in Future Low-Energy... - FLEET.
Simulating Chiral Magnetic and Separation Effects with Spin.
Coexistence of topological and nontopological Fermi.
Transport in two-dimensional topological materials: recent.
Spin-Orbit Coupling and Topological States in $F=\\frac{3}{2.

Jul 2014 - Liu Group Arxiv Selection and Meeting Schedule.

1508.02545v1 - Quantum phase transitions and Berezinskii-Kosterlitz-Thouless temperature in a two-dimensional spin-orbit-coupled Fermi gas. 1508.02555v1 - Thermal generation of spin current in an antiferromagnet. 1508.02595v1 - Quantum Information Meets Quantum Matter -- From Quantum Entanglement to Topological Phase in Many-Body Systems. A good example of the manifold uses of topological materials is provided by the TMD WSe 2, which has an extraordinarily large spin–orbit coupling, a wide direct band gap, and especially a strong anisotropic lifting of the valley degeneracy in a magnetic field, which makes it ideal for accessing the valley degree of freedom. Indeed, one major.

FFLO Superfluids in 2D Spin-Orbit Coupled Fermi Gases.

[2106.04874] Topological control of quantum states in non-Hermitian spin-orbit-coupled fermions (Gyu-Boong Jo) [2106.05044] Topology of Quantum Gaussian States and Operations (Zongping Gong) [2106.05014] Full counting statistics for interacting trapped fermions (Le Doussal, Majumdar, Schehr). Furthermore we map out the merging transition of the two Dirac points induced by beam imbalance. Our work paves the way to accessing geometric properties in optical lattices also with spin-orbit coupling and interactions. Phys. Rev. Lett. 118, 240403 (2017) arXiv:1703.02813. Superfluidity and relaxation dynamics of a laser-stirred 2D Bose gas.

Out-of-plane transport in ZrSiS and ZrSiSe microstructures.

This system provides an elegant setup to generate versatile spin textures propagating along the edge of a sample. The spin-orbit coupling is shown to induce topological phase transitions between a. This paper is devoted to an extensive study on the non-Abelian topological phase of spin-singlet superconductors with the Rashba spin-orbit interaction proposed in our previous letter [M. Sato, Y. Takahashi, and S. Fujimoto, Phys. Rev. Lett. 103, 020401 (2009)].... The two-dimensional spin-imbalanced Fermi gas subject to s-wave pairing and. Feb 12, 2016 · We consider a Weyl-Zeeman spin-orbit coupled Fermi gas in normal phase with. Once it is rotating, the CSE (34) will drive the chirality to move along B and causes a macroscopic separation of the.

Members | Munich Center for Quantum Science and Technology - MCQST.

Materials which exhibit nontrivial topology or linear dispersion relations in their band structures such as topological insulators, graphene, and Dirac and Weyl semimetals have attracted intense interest in the past 15 years for their exotic properties, potential technological applications, and possible topological superconductivity. 1-8 1. Y. Topological phase detected in spin chains.... The implications of our findings for the phase diagram of the spin-polarized unitary Fermi gas are discussed in the context of the state of the art. DOI: 10.1103/PhysRevA.103.043330... 1 and SU(3)1 chiral spin liquids (CSL) on similar models we search for topological SU(N)1 CSL in some range of.

ArXiv:2107.10973v2 [] 5 Oct 2021.

An experimental realisation of a system that shows both strong interaction between electrons, e.g., in the form of a Fermi liquid, and spin-orbit coupling is challenging. It requires a system with sufficiently strong relativistic effects to unfold the role of spin-orbit coupling and with a high mobility at a low carrier density to enhance the. The above two obstacles can be overcome using spin-orbit (SO) coupled degenerate Fermi gases with an in-plane Zeeman field. SO coupling is essential for many important phenomena in condensed matter.

Effects of spin-orbit coupling on the BKT transition and the.

Synthetic spin-orbit coupling (SOC) in cold atoms [15-17], FF superfluidity is also argued to be observable in spin-orbit coupled atomic Fermi gases [18-21]. It is induced by the combined effect of SOC and the in-plane Zeeman field, which leads to the deformation of the Fermi surfaces [24-26]. Topological insulators and superconductors. Jul 14-Jul 18, Jinlong Yu, Jul 21-Jun 25, Zhifang Xu, July 28-Aug 1, Jiyao chen.

Two-dimensional transport and strong spin-orbit... - IOPscience.

Yi W, Zhang W. Molecule and polaron in a highly polarized twodimensional Fermi gas with spin-orbit coupling. Phys Rev Lett, 2012, 109: 140402. ADS Article Google Scholar Yang X, Wan S. Phase diagram of a uniform two-dimensional Fermi gas with spin-orbit coupling. Phys Rev A, 2012, 85: 023633. Ferro-nematic ground state of the dilute dipolar Fermi gas. Phys. Rev. Lett. 103, 205301 (2009).... Chen Fang, Matthew J. Gilbert, and B. Andrei Bernevig, "Spin-Orbit-Free Topological Insulators without Time-Reversal Symmetry" Physical Review Letters 113, 116403 (2014).... Chiral Topological Superconductor From the Quantum Hall State Xiao.

Introduction to Fermi Gases.

We studied a non-interacting Λ/V-type dice model composed of three triangular sublattices. By considering the isotropic nearest-neighbor hoppings and the next-nearest-neighbor hoppings with the phase, as well as the quasi-staggered on-site potential, we acquired the full phase diagrams under the different fillings of the energy bands. There are abundant topological non-trivial phases with. The two-dimensional spin-imbalanced Fermi gas subject to s-wave pairing and spin-orbit coupling is considered a promising platform for realizing a topological chiral-p-wave superfluid. In the BCS limit of s-wave pairing, i.e., when Cooper pairs are only weakly bound, the system enters the topological phase via a second-order transition driven by increasing the Zeeman spin-splitting energy.

PhD Projects | ARC Centre of Excellence in Future Low-Energy... - FLEET.

We consider a Weyl-Zeeman spin-orbit coupled Fermi gas in normal phase with. Once it is rotating, the CSE... He L. & Huang X.-G. BCS-BEC crossover in 2D Fermi gases with Rashba spin-orbit coupling. Phys. Rev. Lett. 108, 145302... Satow D. & Yee H. U. Chiral magnetic effect at weak coupling with relaxation dynamics. Phys. Rev. D 90, 014027. We derive the zero temperature mean field gap and atom number equations suitable for the 2D spin-orbit coupled Fermi gases, from which the dependence of the ground state properties (pairing gap, chemical potential, etc.) on the system parameters (e.g., binding energy, spin-orbit coupling strength) is obtained, both numerically and analytically.

Simulating Chiral Magnetic and Separation Effects with Spin.

Dec 05, 2011 · We study the stability region of the topological superfluid phase in a trapped two-dimensional polarized Fermi gas with spin-orbit coupling and across a BCS-BEC crossover. Due to the competition between polarization, pairing interaction, and spin-orbit coupling, the Fermi gas typically phase-separates in the trap. Employing a mean-field approach that guarantees the ground-state solution, we. Award Abstract # 1125846. Center for Ultracold Atoms. Understanding and controlling the quantum world are among the great challenges of physical science. Meeting these challenges can open the way to the design of new forms of matter and possibly new paths to information processing. In this quest, strongly interacting systems present both the. Repulsively interacting spin-1/2 fermions conﬁned in a 2D harmoinc trap, subject to Rashba SO coupling. g is the interaction strength, and is normalized to g0 MF = 2π 2/M which is the mean-ﬁeld critical interaction strength for a 2D Fermi gas without SO coupling. λ˜ is the dimensionless SO coupling strength. We can see that the phase.

Coexistence of topological and nontopological Fermi.

Our results may also be observed in the recently realized spin-orbit coupled 2D ultracold atomic Fermi gases of 40 K 45 and 6 Li atoms 46, which.

Transport in two-dimensional topological materials: recent.

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Spin-Orbit Coupling and Topological States in $F=\\frac{3}{2.

We study the stability region of the topological superfluid phase in a trapped two-dimensional polarized Fermi gas with spin-orbit coupling and across a BCS-BEC crossover. Due to the competition.