Probing the holographic Fermi arc with scalar field: numerical and analytical study
Sign Up to like & getrecommendations! Published in 2019 at "Journal of High Energy Physics"
DOI: 10.1007/jhep07(2019)037
Abstract: A bstractFermi arcs are disconnected contour of Fermi surface, which can be observed in pseudo-gap phase of high temperature superconductors. Aiming to understand this pseudo-gap phenomena, we study a holographic Fermionic system coupled with a… read more here.
Keywords: temperature; pseudo gap; scalar field; fermi ... See more keywords
The 3-Dimensional Fermi Liquid Description for the Iron-Based Superconductors
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-017-1811-1
Abstract: The quasiparticles in the normal state of iron-based superconductors have been shown to behave universally as a 3-dimensional Fermi liquid. Because of interactions and the presence of sharp Fermi surfaces, the quasiparticle energy contains, as… read more here.
Keywords: dimensional fermi; fermi; based superconductors; fermi liquid ... See more keywords
Formation of Artificial Fermi Surfaces with a Triangular Superlattice on a Conventional Two-Dimensional Electron Gas.
Sign Up to like & getrecommendations! Published in 2023 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c04358
Abstract: Imposing an external periodic electrostatic potential to the electrons confined in a quantum well makes it possible to engineer synthetic two-dimensional band structures, with electronic properties different from those in the host semiconductor. Here we… read more here.
Keywords: fermi surfaces; two dimensional; fermi; artificial fermi ... See more keywords
Mixed-valence insulators with neutral Fermi surfaces
Sign Up to like & getrecommendations! Published in 2018 at "Nature Communications"
DOI: 10.1038/s41467-018-04163-2
Abstract: Samarium hexaboride is a classic three-dimensional mixed valence system with a high-temperature metallic phase that evolves into a paramagnetic charge insulator below 40 K. A number of recent experiments have suggested the possibility that the low-temperature… read more here.
Keywords: valence insulators; insulators neutral; fermi; valence ... See more keywords
Tunable resistivity exponents in the metallic phase of epitaxial nickelates
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-16740-5
Abstract: We report a detailed analysis of the electrical resistivity exponent of thin films of NdNiO 3 as a function of epitaxial strain. Thin films under low strain conditions show a linear dependence of the resistivity… read more here.
Keywords: resistivity; resistivity exponents; exponents metallic; metallic phase ... See more keywords
Production of Degenerate Fermi Gases of 6Li Atoms in an Optical Dipole Trap
Sign Up to like & getrecommendations! Published in 2021 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/38/5/056701
Abstract: We report the experimental production of degenerate Fermi gases of 6Li atoms in an optical dipole trap. The gray-molasses technique is carried out to decrease the atomic temperature to 57 μK, which facilitates the efficient… read more here.
Keywords: optical dipole; 6li atoms; atoms optical; fermi ... See more keywords
Cavity-assisted preparation and detection of a unitary Fermi gas
Sign Up to like & getrecommendations! Published in 2020 at "New Journal of Physics"
DOI: 10.1088/1367-2630/abeb91
Abstract: We report on the fast production and weakly destructive detection of a Fermi gas with tunable interactions in a high finesse cavity. The cavity is used both with far off-resonant light to create a deep… read more here.
Keywords: detection; cavity; fermi; fermi gas ... See more keywords
Quantum Monte Carlo study of the role of p -wave interactions in ultracold repulsive Fermi gases
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.053305
Abstract: Single-component ultracold atomic Fermi gases are usually described using noninteracting many-fermion models. However, recent experiments reached a regime where $p$-wave interactions among identical fermionic atoms are important. In this paper, we employ variational and fixed-node… read more here.
Keywords: monte carlo; fermi; wave interactions; fermi gases ... See more keywords
Local photoemission spectra and effects of spatial inhomogeneity in the BCS-BEC-crossover regime of a trapped ultracold Fermi gas
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.053623
Abstract: We theoretically investigate single particle excitations in the BCS (Bardeen-Cooper-Schrieffer)-BEC (Bose-Einstein-Condensation) crossover regime of an ultracold Fermi gas. Including strong pairing fluctuations within a $T$-matrix approximation, as well as effects of a harmonic trap potential… read more here.
Keywords: crossover; ultracold fermi; fermi; fermi gas ... See more keywords
Thermodynamic equivalence of two-dimensional imperfect attractive Fermi and repulsive Bose gases
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.063627
Abstract: We consider two-dimensional imperfect attractive Fermi and repulsive Bose gases consisting of spinless point particles whose total interparticle interaction energy is represented by $a N^2/2 V$ with $a=-a_{F}\leq 0$ for fermions, and $a=a_{B}\geq 0$ for… read more here.
Keywords: attractive fermi; imperfect attractive; two dimensional; fermi ... See more keywords
Fermi arcs and pseudogap in a lattice model of a doped orthogonal metal
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review B"
DOI: 10.1103/physrevb.103.165131
Abstract: Since the discovery of the pseudogap and Fermi arc states in underdoped cuprates, the understanding of such non-Fermi-liquid states and the associated violation of Luttinger's theorem have been the central theme in correlated electron systems.… read more here.
Keywords: fermi arcs; fermi arc; pseudogap; fermi ... See more keywords