Magnetic spiral order in the square-lattice spin system (CuBr)Sr2Nb3O10

• Published in: Physica. B, Condensed matter Vol. 599; p. 412533
• Main Authors: Mikheyenkov, A.V., Valiulin, V.E., Barabanov, A.F.
• Format: Journal Article
• Language: English
• Published: Amsterdam Elsevier B.V 15.12.2020; Elsevier BV
• Subjects: (CuBr)Sr2Nb3O10; Broken symmetry; Frustration; Heisenberg model; Heisenberg theory; Magnetic fields; Magnetic properties; Magnetism; Neutrons; Square lattice; Statistical models; Symmetry; Thermodynamic properties; Thermodynamics; Two dimensional models; Heisenberg model; (CuBr)Sr2Nb3O10; Square lattice; Thermodynamic properties; Frustration

We address quantum spin helical states in the strongly frustrated Heisenberg model. Contrary to conventional Dzyaloshinskii–Moriya approach we show that such states appear without central symmetry breaking. As an example, we demonstrate that the magnetic and thermodynamic properties of the quasi-two...