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Extrinsic topology of Floquet anomalous boundary states in quantum walks
Takumi Bessho, Ken Mochizuki, Hideaki Obuse +1
Bulk-boundary correspondence is a fundamental principle for topological phases where bulk topology determines gapless boundary states. On the other hand, it has been known that cor…
Spin susceptibility for orbital-singlet Cooper pair in the three-dimensional SrRuO superconductor
Yuri Fukaya, Tatsuki Hashimoto, Masatoshi Sato +2
We study the spin susceptibility of the orbital-singlet pairings, including the spin-triplet/orbital-singlet/-wave representation proposed by Suh \textit{et al}., [H.\ G.\…
Non-Hermitian Higher-Order Weyl Semimetals
Sayed Ali Akbar Ghorashi, Tianhe Li, Masatoshi Sato
We study non-Hermitian higher-order Weyl semimetals (NHHOWSMs) possessing real spectra and having inversion (-NHHOWSM) or time-reversal symmetry $\mathca…
Non-Hermitian Higher-Order Dirac Semimetals
Sayed Ali Akbar Ghorashi, Tianhe Li, Masatoshi Sato +1
In this article we study 3D non-Hermitian higher-order Dirac semimetals (NHHODSMs). Our focus is on -symmetric non-Hermitian systems where we investigate inversion ($\mathcal{…
On the Electromagnetic Response of Topological Superconductors
Marcus Stålhammar, Michael Stone, Masatoshi Sato +1
We resolve several puzzles related to the electromagnetic response of topological superconductors in 3+1 dimensions. In particular we show by an analytical calculation that the int…