Field-induced chiral phase in isotropic frustrated spin chains
Alexei Kolezhuk, Temo Vekua
Abstract
It is shown that an external magnetic field applied to a spin-S isotropic zigzag chain induces a phase with spontaneously broken parity, characterized by long range ordering of vector chirality. This is in contrast to the two-component Luttinger liquid scenario proposed in the literature. Relevance to real materials is discussed.
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