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Nonlinear Magnon Magnetic Moment Transport in Triangular-Lattice f-Wave Antialtermagnets
Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Bastián Pradenas +6
We study the spin excitations in the frustrated coplanar 120-degree ground state of the triangular-lattice Heisenberg antiferromagnet and demonstrate that they carry a magnetic mom…
Chiral magnetic excitations and domain textures of g-wave altermagnets
Volodymyr P. Kravchuk, Kostiantyn V. Yershov, Jorge I. Facio +5
Altermagnets (AMs) constitute a novel class of spin-compensated materials in which opposite-spin sublattices are connected by a crystal rotation, causing their electronic iso-energ…
Spin demons in d-wave altermagnets
Pieter M. Gunnink, Jairo Sinova, Alexander Mook
Demons are a type of plasmons, which consist of out-of-phase oscillations of electrons in different bands. Here, we show that -wave altermagnets, a recently discovered class of…
Spontaneous magnon decays from nonrelativistic time-reversal symmetry breaking in altermagnets
Rintaro Eto, Matthias Gohlke, Jairo Sinova +3
Quasiparticles are central to condensed matter physics, but their stability can be undermined by quantum many-body interactions. Magnons, quasiparticles in quantum magnets, are par…
Non-relativistic linear Edelstein effect in helical EuIn2As2
Nayra A. Álvarez Pari, Rodrigo Jaeschke-Ubiergo, Atasi Chakraborty +2
Motivated by the ongoing interest in understanding the actual magnetic ground state of the promising axion insulator candidate EuIn2As2, we present here a spin symmetry analysis an…
Curvature induced magnetization of altermagnetic films
Kostiantyn V. Yershov, Olena Gomonay, Jairo Sinova +2
We consider a thin film of -wave altermagnet bent in a stretching-free manner and demonstrate that gradients of the film curvature induce a local magnetization which is approxim…