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
Impurity effect as a probe for the pairing symmetry of graphene-based superconductors
Sign Up to like & getrecommendations! Published in 2018 at "Frontiers of Physics"
DOI: 10.1007/s11467-021-1056-y
Abstract: We study theoretically the single impurity effect on graphene-based superconductors. Four different pairing symmetries are discussed. Sharp in-gap resonant peaks are found near the impurity site for the d + i d pairing symmetry and… read more here.
Keywords: graphene based; symmetry; pairing symmetry; based superconductors ... See more keywords
Stoner factors of doped 122 Fe-based superconductors: First principles results
Sign Up to like & getrecommendations! Published in 2017 at "Computational Materials Science"
DOI: 10.1016/j.commatsci.2017.02.013
Abstract: Abstract A comprehensive study on the evolution of Stoner factor with doping concentration for various doped 122 systems (like BaFe2As2, SrFe2As2) of Fe-based superconductors is presented. Our first principles electronic structure calculations reveal that for… read more here.
Keywords: stoner factor; doped 122; based superconductors; first principles ... See more keywords
Coexistence of Jahn-Teller effect and AFM in two-orbital model for s±-wave iron based superconductors
Sign Up to like & getrecommendations! Published in 2021 at "Solid State Communications"
DOI: 10.1016/j.ssc.2020.114121
Abstract: Abstract The origin of pairing mechanism and the coexisting order parameters in F e -based superconductors have been attracting increasing attention. The tetragonal to orthorhombic phase transition which leads the antiferromagnetic phase transition in many… read more here.
Keywords: wave; jahn teller; model; based superconductors ... See more keywords
Peculiar properties of -chain-based superconductors
Sign Up to like & getrecommendations! Published in 2017 at "Philosophical Magazine"
DOI: 10.1080/14786435.2016.1273558
Abstract: Abstract (A = K, Rb, Cs) are the unique Cr-based ambient-pressure superconductors discovered in 2015. The new superconducting family are structurally characterised by quasi one-dimensional (Q1D) [() double-walled subnanotubes. Peculiar properties have been revealed, which… read more here.
Keywords: based superconductors; properties chain; peculiar properties; chain based ... See more keywords
Grain boundary characteristics of Fe-based superconductors
Sign Up to like & getrecommendations! Published in 2020 at "Superconductor Science and Technology"
DOI: 10.1088/1361-6668/ab73ef
Abstract: Understanding the nature of grain boundary (GB) characteristics in combination with creating low-energy GBs by modifying the processing conditions, so-called GB engineering, is of great importance for controlling and reducing the defect density, leading to… read more here.
Keywords: engineering; grain boundary; boundary characteristics; based superconductors ... See more keywords
Exploring Majorana zero modes in iron-based superconductors
Sign Up to like & getrecommendations! Published in 2022 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac70c3
Abstract: Majorana zero modes (MZMs) are Majorana-fermion-like quasiparticles existing in crystals or hybrid platforms with topologically non-trivial electronic structures. They obey non-Abelian braiding statistics and are considered promising to realize topological quantum computing. Discovery of MZM… read more here.
Keywords: zero modes; based superconductors; fete0 55se0; majorana zero ... See more keywords
Effective exchange interactions for bad metals and implications for iron-based superconductors
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.235113
Abstract: The experimentally observed bad metal behavior in parent iron pnictides and chalcogenides suggests that these systems contain strong electronic correlations and are on the verge of a metal-to-insulator transition. The magnetic excitations in this bad-metal… read more here.
Keywords: exchange; exchange interactions; interactions bad; effective exchange ... See more keywords
Effect of nonsymmorphic space groups on correlation functions in iron-based superconductors
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.125140
Abstract: The orbital basis is natural when one needs to calculate the effect of local interactions or to unravel the role of orbital physics in the response to external probes. In systems with nonsymmorphic point groups,… read more here.
Keywords: based superconductors; nonsymmorphic space; effect nonsymmorphic; iron based ... See more keywords
Self-energy driven resonancelike inelastic neutron spectrum in the s++ -wave state in Fe-based superconductors
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.165143
Abstract: To elucidate the pairing states in Fe-based superconductors, we perform careful calculation of the dynamical spin susceptibility $\chi^S(q, \omega)$ at very low temperatures ($T \sim 1$ meV). The feedback effect on both the self-energy and… read more here.
Keywords: state; wave state; self energy; chi omega ... See more keywords
Intrinsic Time-Reversal-Invariant Topological Superconductivity in Thin Films of Iron-Based Superconductors.
Sign Up to like & getrecommendations! Published in 2021 at "Physical review letters"
DOI: 10.1103/physrevlett.126.137001
Abstract: We establish quasi-two-dimensional thin films of iron-based superconductors (FeSCs) as a new high-temperature platform for hosting intrinsic time-reversal-invariant helical topological superconductivity (TSC). Based on the combination of Dirac surface state and bulk extended s-wave pairing,… read more here.
Keywords: intrinsic time; thin films; based superconductors; iron based ... See more keywords