Spin liquid versus spin orbit coupling on the triangular lattice

Jason Iaconis; Chunxiao Liu; Gábor B. Halász; Leon Balents

doi:10.21468/SciPostPhys.4.1.003

Spin liquid versus spin orbit coupling on the triangular lattice

Jason Iaconis, Chunxiao Liu, Gábor B. Halász, Leon Balents

Research output: Contribution to journal › Article › peer-review

43 Scopus citations

Abstract

In this paper, we explore the relationship between strong spin-orbit coupling and spin liquid physics. We study a very general model on the triangular lattice where spin-orbit coupling leads to the presence of highly anisotropic interactions. We use variational Monte Carlo to study both U(1) quantum spin liquid states and ordered ones, via the Gutzwiller projected fermion construction. We thereby obtain the ground state phase diagram in this phase space. We furthermore consider effects beyond the Gutzwiller wavefunctions for the spinon Fermi surface quantum spin liquid, which are of particular importance when spin-orbit coupling is present.

Original language	English
Article number	003
Journal	SciPost Physics
Volume	4
Issue number	1
DOIs	https://doi.org/10.21468/SciPostPhys.4.1.003
State	Published - Jan 2018
Externally published	Yes

Funding

We thank Radu Coldea, Martin Mourigal, Gang Chen, and Yuan-Ming Lu for useful discussions. This work was supported by the NSF Materials Theory program through Grant No. DMR1506119 (J.I., C.L., L.B.) and by the Gordon and Betty Moore Foundation’s EPiQS Initiative through Grant No. GBMF4304 (G.B.H.). We acknowledge support from the Center for Scientific Computing from the CNSI,MRL: an NSF MRSEC (DMR-1121053).

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10.21468/SciPostPhys.4.1.003

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Spin liquid versus spin orbit coupling on the triangular lattice

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