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cond-mat.mes-hall2023★ 5 cited
Correlations at higher-order exceptional points in non-Hermitian models
Doru Sticlet, Cătălin Paşcu Moca, Balázs Dóra
We investigate the decay of spatial correlations of -symmetric non-Hermitian one-dimensional models that host higher-order exceptional points. Beyond a certain correl…
cond-mat.mes-hall2023★ 1 cited
Non-Lifshitz invariants corrections to Dzyaloshinskii-Moriya interaction energy
Doru Sticlet, Frédéric Piéchon
We study the continuum limit of two-dimensional chiral magnets in which Dzyaloshinskii-Moriya interaction (DMI) is due to the interplay between a smooth magnetic texture and spin-o…