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Spin hamiltonian for which the chiral spin liquid is the exact ground state |
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| Authors: | Schroeter Darrell F Kapit Eliot Thomale Ronny Greiter Martin |
| Institution: | Department of Physics, Reed College, Portland, Oregon 97202, USA. |
| Abstract: | We construct a Hamiltonian that singles out the chiral spin liquid on a square lattice with periodic boundary conditions as the exact and, apart from the twofold topological degeneracy, unique ground state. |
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