Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/137393
Title: Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model
Authors: Wierschem, Keola
Zhang, Zhifeng
Wibawa, Andrew
Sengupta, Pinaki
Keywords: Science::Physics
Issue Date: 2018
Source: Wierschem, K., Zhang, Z., Wibawa, A., & Sengupta, P. (2018). Magnetization plateaus and supersolid phases in an extended Shastry–Sutherland model. European Physical Journal B, 91(9), 201-. doi:10.1140/epjb/e2018-90356-5
Journal: European Physical Journal B
Abstract: New magnetization plateaus and supersolid phases are identified in an extended Shastry–Sutherland model – with additional longer range interactions and exchange anisotropy – over a wide range of interaction parameters and an applied magnetic field. The model is appropriate for describing the low energy properties of some members of the rare earth tetraborides. Using a plaquette representation and exact mapping of ground state configurations in the Ising limit, supplemented by large scale quantum Monte Carlo simulations to include the effects of exchange interactions, we have identified several magnetization plateaus and associated spin supersolid phases. Our methods enable us to elucidate the underlying structure and mechanism of formation of the supersolid phases, thus gaining deeper understanding into their emergence from competing interactions. Additionally, in this regime we find evidence of a fractional plateau at 1∕9 saturation magnetization, which may hold the clue to understanding the fractional plateau in TmB4 that exhibits magnetic hysteresis.
URI: https://hdl.handle.net/10356/137393
ISSN: 1434-6028
DOI: 10.1140/epjb/e2018-90356-5
Rights: © 2018 EDP Sciences, Societ`a Italiana di Fisica, Springer-Verlag. All rights reserved. This paper was published by Springer in European Physical Journal B and is made available with permission of EDP Sciences, Societ`a Italiana di Fisica, Springer-Verlag.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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