Evolution of pair correlation symmetries and supercurrent reversal in tilted Weyl semimetals
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DOI: 10.1103/physrevb.101.035120
Abstract: We study the effective symmetry profiles of superconducting pair correlations and the flow of charge supercurrent in ballistic Weyl semimetal systems with a tilted dispersion relation. Utilizing a microscopic method in the ballistic regime and… read more here.
Keywords: weyl semimetal; pair correlation; symmetry; pseudospin ... See more keywords
Spin-valley skyrmions in graphene at filling factor ν=−1
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DOI: 10.1103/physrevb.95.245428
Abstract: We model quantum Hall skyrmions in graphene monolayer at quarter filling by a theory of CP3 fields and study the energy minimizing skyrmions in presence of valley pseudospin anisotropy and Zeeman coupling. We present a… read more here.
Keywords: pseudospin; skyrmions graphene; spin; anisotropy ... See more keywords
Dissipationless Spin-Charge Conversion in Excitonic Pseudospin Superfluid.
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DOI: 10.1103/physrevlett.128.066601
Abstract: Spin-charge conversion by the inverse spin Hall effect or inverse Rashba-Edelstein effect is prevalent in spintronics but dissipative. We propose a dissipationless spin-charge conversion mechanism by an excitonic pseudospin superfluid in an electron-hole double-layer system.… read more here.
Keywords: pseudospin; dissipationless spin; charge conversion; charge ... See more keywords
Observation and control of pseudospin switching in a finite-width topological photonic crystal.
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DOI: 10.1364/oe.440108
Abstract: Finite-size effect plays a significant role in topology photonics not to mention in reality all experimental setups are in finite-size. A photonic bandgap is opened in the topological edge state dispersion if a topological photonic… read more here.
Keywords: topological photonic; finite width; finite size; photonic crystal ... See more keywords