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cond-mat.str-el2011★ 44 cited
Frustrated spin chains in strong magnetic field: dilute two-component Bose gas regime
A. K. Kolezhuk, F. Heidrich-Meisner, S. Greschner +1
We study the ground state of frustrated spin-S chains in a strong magnetic field in the immediate vicinity of saturation. In strongly frustrated chains, the magnon dispersion has t…
cond-mat.str-el2011★ 20 cited
Resonances in a dilute gas of magnons and metamagnetism of isotropic frustrated ferromagnetic spin chains
M. Arlego, F. Heidrich-Meisner, A. Honecker +2
We show that spin-S chains with SU(2)-symmetric, ferromagnetic nearest-neighbor and frustrating antiferromagnetic next-nearest-neighbor exchange interactions exhibit metamagnetic b…