Electronic correlations in nodal-line semimetals
Sign Up to like & getrecommendations! Published in 2020 at "Nature Physics"
DOI: 10.1038/s41567-020-0859-z
Abstract: Dirac fermions with highly dispersive linear bands 1 – 3 are usually considered weakly correlated due to the relatively large bandwidths ( W ) compared to Coulomb interactions ( U ). With the discovery of… read more here.
Keywords: line; correlations nodal; line semimetals; nodal line ... See more keywords
Spin and charge transport in topological nodal-line semimetals
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.075125
Abstract: We study transport properties of topological Weyl nodal-line semimetals(NLSs). Starting from a minimal lattice model with a single nodal loop, and by focusing on a normal-metal-NLS-normal-metal junction, we investigate the dependence of the novel transport… read more here.
Keywords: transport; charge transport; nodal line; line semimetals ... See more keywords
Quantum critical scaling of gapped phases in nodal-line semimetals
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.101.115123
Abstract: We study the effect of short range interactions in three dimensional nodal-line semimetals with linear band crossings. We analyze the Yukawa theories for gapped instabilities in the charge, spin and superconducting channels using the Wilsonian… read more here.
Keywords: scaling gapped; quantum critical; critical scaling; nodal line ... See more keywords
Floquet multi-Weyl points in crossing-nodal-line semimetals
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.041206
Abstract: Weyl points with monopole charge $\ifmmode\pm\else\textpm\fi{}1$ have been extensively studied; however, real materials of multi-Weyl points, whose monopole charges are higher than 1, have yet to be found. In this Rapid Communication, we show that… read more here.
Keywords: multi weyl; line; line semimetals; nodal line ... See more keywords
Topological protection from exceptional points in Weyl and nodal-line semimetals
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DOI: 10.1103/physrevb.96.045437
Abstract: We investigate the topological protection of surface states in Weyl and nodal-line semimetals by characterizing them as evanescent states when the band structure is extended to complex momenta. We find in this way a sequence… read more here.
Keywords: exceptional points; surface states; line semimetals; nodal line ... See more keywords
Nodal-line semimetals from Weyl superlattices
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.245101
Abstract: The band crossings at the Fermi level of a Weyl semimetal are generally stable against disorder. The only way to open a gap in the spectrum is by annihilating pairs of Weyl nodes. Here, the… read more here.
Keywords: semimetals weyl; weyl superlattices; gap; line ... See more keywords
From node-line semimetals to large-gap quantum spin Hall states in a family of pentagonal group-IVA chalcogenide
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.125312
Abstract: Two-dimensional (2D) topological insulators (TIs) have attracted tremendous research interest from both theoretical and experimental fields in recent years. However, it is much less investigated in realizing node line (NL) semimetals in 2D materials.Combining first-principles… read more here.
Keywords: gap; family; semimetals large; line semimetals ... See more keywords
Mirror protected multiple nodal line semimetals and material realization
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.201104
Abstract: The conventional $\mathbit{k}\ifmmode\cdot\else\textperiodcentered\fi{}\mathbit{p}$ method fails to capture the full and essential physics of many symmetry enriched multiple nodal line structures in the three-dimensional Brillouin zone. Here, we present a systematical method to construct the effective… read more here.
Keywords: multiple nodal; line; line semimetals; nodal line ... See more keywords
Hund nodal line semimetals: The case of a twisted magnetic phase in the double-exchange model
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.020404
Abstract: We propose a class of topological metals, which we dub Hund nodal line semimetals, arising from the strong Coulomb interaction encoded in the Hund's coupling between itinerant electrons and localiz ... read more here.
Keywords: semimetals case; hund nodal; nodal line; line semimetals ... See more keywords
Interaction-Driven Surface Chern Insulator in Nodal Line Semimetals.
Sign Up to like & getrecommendations! Published in 2019 at "Physical review letters"
DOI: 10.1103/physrevlett.122.016803
Abstract: Nodal line semimetals are characterized by nontrivial bulk-band crossings, giving rise to almost flat drumheadlike surface states (DSS), which provide an attractive playground where interaction can induce symmetry-broken states and potential emergent phases. Here, we… read more here.
Keywords: nodal line; line semimetals; interaction; surface chern ... See more keywords