Journal of Physics: Conference Series 2269, 012006 (2022)

ISSN: 1742-6596

Magnetic competition with different spin chiralities in kagome magnets

Tran Thi Thanh Mai, Nguyen Hong Son, and Tran Minh Tien

Using the Bogoliubov variational method we study the magnetic competition in a minimal model proposed for kagome magnets. The minimal model consists of itinerant electrons with their spin-orbit coupling and localized electrons with their anisotropic spin exchange. A spin exchange between localized and itinerant electrons is also included into the model, and it is anisotropic. At half filling and in the region of stable in-plane antiferromagnetism, a magnetic competition between antiferromagnetic phases with different spin chiralities is found. Depending on the sign of the hopping integral and the spin-orbit coupling, either the 1 × 1 or √3 × √3 in-plane antiferromagnetism is established. These in-plane antiferromagnetic states are characterized by distinguishable spin chiralities.

DOI: doi:10.1088/1742-6596/2269/1/012006

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