Electric field enhances ring exchange relative to Heisenberg interactions, shifting the CSL phase boundary to smaller t/U in the ring exchange model on the triangular lattice.
This is not an 19 A1=2a1a2 A2=a2 A1=a1a2 A2=a1+a2 A1=a1 A2=2a2a1 A1=a1a2 A2=a1+a2 A1=2a1a2 A2=a2 A1=a1 A2=2a2a1 164 FIG
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Electric field control of a quantum spin liquid in weak Mott insulators
Electric field enhances ring exchange relative to Heisenberg interactions, shifting the CSL phase boundary to smaller t/U in the ring exchange model on the triangular lattice.