Proposes relative-entropy-based measures to diagnose chirality in mixed-state topological phases after showing pure-state diagnostics are unreliable.
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A lattice duality defect in a folded Majorana chain yields a chiral fermion-parity defect that manifests as Andreev reflection upon mode recombination.
Permutation defects between wavefunction replicas yield multipartite entanglement measures that capture the chiral central charge from bulk states in chiral topological phases.
The paper organizes important open questions in quantum gravity and quantum information into four themes without presenting new results or derivations.
citing papers explorer
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Measures of Chirality in Mixed-State Topological Phases
Proposes relative-entropy-based measures to diagnose chirality in mixed-state topological phases after showing pure-state diagnostics are unreliable.
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Emergent Andreev Reflection from a Lattice Duality Defect
A lattice duality defect in a folded Majorana chain yields a chiral fermion-parity defect that manifests as Andreev reflection upon mode recombination.
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Probing chiral topological states with permutation defects
Permutation defects between wavefunction replicas yield multipartite entanglement measures that capture the chiral central charge from bulk states in chiral topological phases.
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Rethinking quantum information in gravity and fields
The paper organizes important open questions in quantum gravity and quantum information into four themes without presenting new results or derivations.