The physical reduced density matrix of a complete prefix in the Kramers-Wannier-defected critical Ising chain yields an ordered-limit excess entropy of (1/2)log 2 over the homogeneous chain, and the joint energy-translation character resolves the four Virasoro towers of the Ising duality-twisted…
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2026 3representative citing papers
An SL(2,C)-parametrized family of exactly solvable non-unitary conformal interfaces is constructed on the lattice in unitary CFTs via analytic continuation, leading to a non-unitary Cardy condition and logarithmic entanglement with generally complex effective central charge.
Complexified exactly-marginal couplings produce solvable complex CFTs, with the Ising defect verified numerically in non-Hermitian chains.
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Physical reduced states and continuum characters of the lattice Kramers-Wannier defect
The physical reduced density matrix of a complete prefix in the Kramers-Wannier-defected critical Ising chain yields an ordered-limit excess entropy of (1/2)log 2 over the homogeneous chain, and the joint energy-translation character resolves the four Virasoro towers of the Ising duality-twisted…
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Exactly solvable non-unitary conformal interfaces in unitary CFTs
An SL(2,C)-parametrized family of exactly solvable non-unitary conformal interfaces is constructed on the lattice in unitary CFTs via analytic continuation, leading to a non-unitary Cardy condition and logarithmic entanglement with generally complex effective central charge.
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Complex Conformal Manifolds
Complexified exactly-marginal couplings produce solvable complex CFTs, with the Ising defect verified numerically in non-Hermitian chains.