A tensor network representation of PT-symmetric φ^4 lattices on complex contours yields exact parity-decomposed local tensors and a finite-volume identity between wedge-contour and continued Hermitian partition functions in any dimension.
Yang-Lee Edge Singularity andϕ3 Field Theory,
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Tensor Network Formulation of $\mathcal{PT}$-Symmetric Quantum Field Theory
A tensor network representation of PT-symmetric φ^4 lattices on complex contours yields exact parity-decomposed local tensors and a finite-volume identity between wedge-contour and continued Hermitian partition functions in any dimension.