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Published in 2021 at "Nanoscale"
DOI: 10.1039/d1nr02313f
Abstract: Both surface and interface scattering induced a sign reversal of the anomalous Hall effect (AHE) in a few heterostructures. The sign reversal existing in a single substance can clarify the role of the surface scattering…
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Keywords:
effect;
anomalous hall;
sign reversal;
cluster ... See more keywords
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Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0027466
Abstract: We demonstrate and explain the surprising phenomenon of sign reversal in magnetic field amplification by the laser-driven implosion of a structured target. Relativistically intense laser pulses incident on the outer surface of a microtube target…
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Keywords:
seed;
field;
laser driven;
sign reversal ... See more keywords
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Published in 2022 at "Physical Review B"
DOI: 10.1103/physrevb.105.014501
Abstract: Recent observations of two nodeless gaps in superconducting CeCu2Si2 have raised intensive debates on its exact gap structure of either sign reversal (s+−) or sign preserving (s) pairing. Here we investigate the quasiparticle interference (QPI)…
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Keywords:
fermion superconductor;
quasiparticle interference;
superconductor cecu2si2;
heavy fermion ... See more keywords
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Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.014507
Abstract: In many unconventional superconductors, the pairing of electrons is driven by the repulsive interaction, which leads to the sign reversal of superconducting gaps along the Fermi surfaces (FS) or between them. However, to measure this…
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Keywords:
direct visualization;
reversal superconducting;
superconducting gaps;
sign reversal ... See more keywords
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Published in 2018 at "Physical review letters"
DOI: 10.1103/physrevlett.121.036601
Abstract: Coupled 2D sheets of electrons and holes are predicted to support novel quantum phases. Two experiments of Coulomb drag in electron-hole (e-h) double bilayer graphene (DBLG) have reported an unexplained and puzzling sign reversal of…
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Keywords:
coulomb drag;
bilayer graphene;
sign reversal;
double bilayer ... See more keywords
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2
Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.130.063001
Abstract: We report the observation of the sign reversal of the magnetic correlation from antiferromagnetic to ferromagnetic in a dissipative Fermi gas in double wells, utilizing the dissipation caused by on-site two-body losses in a controlled…
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Keywords:
magnetic correlation;
observation sign;
reversal magnetic;
sign reversal ... See more keywords