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Effective Tight-Binding Model of Compensated Ferrimagnetic Weyl Semimetal with Spontaneous Orbital Magnetization

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arxiv 2304.14009 v1 pith:VJEBBYOV submitted 2023-04-27 cond-mat.mes-hall cond-mat.mtrl-sci

Effective Tight-Binding Model of Compensated Ferrimagnetic Weyl Semimetal with Spontaneous Orbital Magnetization

classification cond-mat.mes-hall cond-mat.mtrl-sci
keywords magnetizationweylmagneticorbitalcompensatedeffectiveenergyferrimagnetic
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The effective tight-binding model with compensated ferrimagnetic inverse-Heusler lattice Ti$_{2}$MnAl, candidate material of magnetic Weyl semimetal, is proposed. The energy spectrum near the Fermi level, the configurations of the Weyl points, and the anomalous Hall conductivity are calculated. We found that the orbital magnetization is finite, while the total spin magnetization vanishes, at the energy of the Weyl points. The magnetic moments at each site are correlated with the orbital magnetization, and can be controlled by the external magnetic field.

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