A non-unitary cMERA on a non-Hermitian fermion chain yields emergent de Sitter spacetime whose null horizons are encoded by zero-cost tensor links that reproduce the logarithmic entanglement entropy scaling.
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Emergent de Sitter Space and Non-Unitary Tensor Networks from Non-Hermitian Quantum Criticality
A non-unitary cMERA on a non-Hermitian fermion chain yields emergent de Sitter spacetime whose null horizons are encoded by zero-cost tensor links that reproduce the logarithmic entanglement entropy scaling.