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Asymptotic partition-function ratio conjecture for the boundary-driven Heisenberg ferromagnet
Let $Z_N(\Gamma,\theta)$ be the non-equilibrium partition function for a chain of length $N$ , with coupling strength $\Gamma$ and boundary twist angle satisfying $0<\theta<\pi$ . Pa…
Conjectureopenmatrix-product-ansatz nonequilibrium-quantum-systems quantum-spin-chainsarXiv posted 2 days ago

Asymptotic partition-function ratio conjecture for the boundary-driven Heisenberg ferromagnet