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Information Journal Paper

Title

The effect of four-spin exchanges on the honeycomb lattice diagram phase of S=3/2 J1-J2 Antiferromagnetic Heisenberg model

Pages

  327-333

Abstract

 In this study, the effect of four-spin exchanges between the nearest and next nearest neighbor spins of honeycomb lattice on the phase diagram of S=3/2 antiferomagnetic Heisenberg model is considered with two-spin exchanges between the nearest and next nearest neighbor spins. Firstly, the method is investigated with classical phase diagram. In classical phase diagram, in addition to Neel order, classical degeneracy is also seen. The existance of this phase in diagram phase is important because of the probability of the existence of quantum spin liquid in this region for such amount of interaction. To investigate the effect of quantum fluctuation on the stability of the obtained classical phase diagram, linear spin wave theory has been used. Obtained results show that in classical degeneracy regime, the quantum fluctuations cause the order by disorder in the spin system and the ground state is ordered.

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    • Cite

    APA: Copy

    KESHAVARZ, F., & Mosadeq, H.. (2017). The effect of four-spin exchanges on the honeycomb lattice diagram phase of S=3/2 J1-J2 Antiferromagnetic Heisenberg model. IRANIAN JOURNAL OF PHYSICS RESEARCH, 16(4 ), 327-333. SID. https://sid.ir/paper/1477/en

    Vancouver: Copy

    KESHAVARZ F., Mosadeq H.. The effect of four-spin exchanges on the honeycomb lattice diagram phase of S=3/2 J1-J2 Antiferromagnetic Heisenberg model. IRANIAN JOURNAL OF PHYSICS RESEARCH[Internet]. 2017;16(4 ):327-333. Available from: https://sid.ir/paper/1477/en

    IEEE: Copy

    F. KESHAVARZ, and H. Mosadeq, “The effect of four-spin exchanges on the honeycomb lattice diagram phase of S=3/2 J1-J2 Antiferromagnetic Heisenberg model,” IRANIAN JOURNAL OF PHYSICS RESEARCH, vol. 16, no. 4 , pp. 327–333, 2017, [Online]. Available: https://sid.ir/paper/1477/en

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