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17-07U

17-07U


By Velychko - Posted on 28 December 2017

UDC: 
548:573.611.4
PACS: 
75.10.Jm

The ground state properties of spin-1/2 XY model of the magnetoelectric on zigzag ladder. Exact results

O.R. Baran
V.R. Ohanyan
T.M. Verkholyak

The spin-1/2 XY model of magnetoelectric with the Katsura-Nagaosa-Balatsky mechanism of the coupling between local spins and the electric polarization of the bond connecting these spins on zigzag ladder is considered. Using the Jordan-Wigner transformation, the Hamiltonian is reduced to a free-fermion form, and can be solved exactly. The ground-state phase diagrams are constructed and the magnetic and electric fields dependence of magnetization and electric polarization at zero temperature is calculated.

Year: 
2017
Pages: 
30
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