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cond-mat.mtrl-sci2023★ 178 cited
Landau Theory of Altermagnetism
Paul A. McClarty, Jeffrey G. Rau
We formulate a Landau theory for altermagnets, a class of colinear compensated magnets with spin-split bands. Starting from the non-relativistic limit, this Landau theory goes beyo…
cond-mat.str-el2023★ 18 cited
Pseudo-Goldstone modes and dynamical gap generation from order-by-thermal-disorder
Subhankar Khatua, Michel J. P. Gingras, Jeffrey G. Rau
Accidental ground state degeneracies -- those not a consequence of global symmetries of the Hamiltonian -- are inevitably lifted by fluctuations, often leading to long-range order,…