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Quantum chaos in the sparse SYK model
Patrick Orman, Hrant Gharibyan, John Preskill
The Sachdev-Ye-Kitaev (SYK) model is a system of Majorana fermions with random interactions and strongly chaotic dynamics, which at low energy admits a holographically dual des…
Complementarity and the unitarity of the black hole -matrix
Isaac H. Kim, John Preskill
Recently, Akers et al. proposed a non-isometric holographic map from the interior of a black hole to its exterior. Within this model, we study properties of the black hole -matr…
The ghost in the radiation: Robust encodings of the black hole interior
Isaac H. Kim, Eugene Tang, John Preskill
We reconsider the black hole firewall puzzle, emphasizing that quantum error-correction, computational complexity, and pseudorandomness are crucial concepts for understanding the b…
Models of quantum complexity growth
Fernando G. S. L. Brandão, Wissam Chemissany, Nicholas Hunter-Jones +2
The concept of quantum complexity has far-reaching implications spanning theoretical computer science, quantum many-body physics, and high energy physics. The quantum complexity of…
Holographic quantum error-correcting codes: Toy models for the bulk/boundary correspondence
Fernando Pastawski, Beni Yoshida, Daniel Harlow +1
We propose a family of exactly solvable toy models for the AdS/CFT correspondence based on a novel construction of quantum error-correcting codes with a tensor network structure. O…
Quantum Algorithms for Fermionic Quantum Field Theories
Stephen P. Jordan, Keith S. M. Lee, John Preskill
Extending previous work on scalar field theories, we develop a quantum algorithm to compute relativistic scattering amplitudes in fermionic field theories, exemplified by the massi…