Subregion A
Bulk Point
Entanglement wedge:
EW(A) = bulk region between A and RT surface γ_A
Wedge reconstruction:
Any bulk operator in EW(A) can be reconstructed from operators in A only. Key: quantum error correction!
Modular Hamiltonian:
H_A = −log ρ_A
Modular flow generates bulk reconstruction.
Entanglement wedge nesting:
A⊂B → EW(A)⊂EW(B)
Monotone under inclusion.
EW(A) = bulk region between A and RT surface γ_A
Wedge reconstruction:
Any bulk operator in EW(A) can be reconstructed from operators in A only. Key: quantum error correction!
Modular Hamiltonian:
H_A = −log ρ_A
Modular flow generates bulk reconstruction.
Entanglement wedge nesting:
A⊂B → EW(A)⊂EW(B)
Monotone under inclusion.