Field-controlled spin current in frustrated spin chains

Details Field-controlled spin current in frustrated spin chains Field-controlled spin current in frustrated spin chains

2009-05-13

arxiv.org/abs/0905.2157v1

Condensed Matter Physics vol.12 (No.3), pp.429-434 (2009)

Physics

Condensed Matter

Strongly Correlated Electrons

for a special issue of "Condensed matter physics" on spin systems

Scientific paper

We study states with spontaneous spin current, emerging in frustrated antiferromagnetic spin-$S$ chains subject to a strong external magnetic field. As a numerical tool, we use a non-Abelian symmetry realization of the density matrix renormalization group. The field dependence of the order parameter and the critical exponents are presented for zigzag chains with S=1/2, 1, 3/2, and 2.

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