18 citations · 22 across the 9 of their papers we have counts for
9 papers
Approximate locality, black hole complementarity and overlapping qubits
ChunJun Cao, Gong Cheng, Alexander Jahn +1
We construct a toy model of an evaporating black hole using approximately local degrees of freedom acting on ``overlapping" qubits in which a version of black hole complementarity…
Observation of gravity-like signatures in holographic codes on a quantum computer
Debopriyo Biswas, Gong Cheng, Krishnanand Karthikeyan +12
The unification of quantum mechanics and general relativity remains one of the major open problems of theoretical physics. The Anti-de Sitter/Conformal Field Theory (AdS/CFT) corre…
Demystifying Objectivity with Operator Algebra Quantum Error Correction
Marin Girard, Gong Cheng, ChunJun Cao
Quantum Darwinism extends the decoherence formalism to explain how objectivity emerges from quantum mechanics. However, existing approaches often capture only partial aspects of ob…
Wave packets from the spectrum
ChunJun Cao, Oliver Friedrich, Marin Girard +2
The freedom to change Fock basis seems to ensure a minimum amount of locality in lattice theories in the following sense: If for $i…
State-dependent geometries from magic-enriched quantum codes
ChunJun Cao, Gong Cheng, Krishnanand Karthikeyan +2
Quantum error-correcting codes provide a powerful framework for emergent spacetime, yet existing subsystem erasure-correcting holographic code models describe only quantum fields o…
An efficient algorithm to compute entanglement in states with low magic
ChunJun Cao, Gong Cheng, Tianci Zhou
A bottleneck for analyzing the interplay between magic and entanglement is the computation of these quantities in highly entangled quantum many-body magic states. Efficient extract…
Stabilizer Entanglement Enhances Magic Injection
Zong-Yue Hou, ChunJun Cao, Zhi-Cheng Yang
Non-stabilizerness is a key resource for fault-tolerant quantum computation, yet its interplay with entanglement in dynamical settings remains underexplored. We address this by ana…
Gravitational back-reaction is magical
ChunJun Cao, Gong Cheng, Alioscia Hamma +3
We study the interplay between magic and entanglement in quantum many-body systems. We show that non-local magic, which is supported by the quantum correlations is lower bounded by…
Holographic phenomenology via overlapping degrees of freedom
Oliver Friedrich, ChunJun Cao, Sean M. Carroll +2
The holographic principle suggests that regions of space contain fewer physical degrees of freedom than would be implied by conventional quantum field theory. Meanwhile, in Hilbert…