Quantum information scrambling: from holography to quantum simulators
In this review, we present the ongoing developments in bridging the gap between
holography and experiments. To this end, we discuss information scrambling and models of …
holography and experiments. To this end, we discuss information scrambling and models of …
Entanglement phase structure of a holographic BCFT in a black hole background
A bstract We compute holographic entanglement entropy for subregions of a BCFT thermal
state living on a nongravitating black hole background. The system we consider is doubly …
state living on a nongravitating black hole background. The system we consider is doubly …
Quantum error correction: Noise-adapted techniques and applications
A Jayashankar, P Mandayam - Journal of the Indian Institute of Science, 2023 - Springer
The quantum computing devices of today have tens to hundreds of qubits that are highly
susceptible to noise due to unwanted interactions with their environment. The theory of …
susceptible to noise due to unwanted interactions with their environment. The theory of …
Replica wormholes and entanglement islands in the Karch-Randall braneworld
H Geng - Journal of High Energy Physics, 2025 - Springer
A bstract The Karch-Randall braneworld provides a natural set-up to study the Hawking
radiation from a black hole using holographic tools. Such a black hole lives on a brane and …
radiation from a black hole using holographic tools. Such a black hole lives on a brane and …
From time-reversal symmetry to quantum Bayes' rules
Bayes' rule, P (B| A) P (A)= P (A| B) P (B), is one of the simplest yet most profound,
ubiquitous, and far-reaching results of classical probability theory, with applications in any …
ubiquitous, and far-reaching results of classical probability theory, with applications in any …
Islands for entanglement negativity in communicating black holes
We obtain the holographic entanglement negativity for bipartite mixed states at a finite
temperature in baths described by conformal field theories dual to configurations involving …
temperature in baths described by conformal field theories dual to configurations involving …
Construction and the ergodicity properties of dual unitary quantum circuits
We consider one-dimensional quantum circuits of the brickwork type, where the fundamental
quantum gate is dual unitary. Such models are solvable: the dynamical correlation functions …
quantum gate is dual unitary. Such models are solvable: the dynamical correlation functions …
Defect extremal surfaces for entanglement negativity
We propose a doubly holographic version of the semiclassical island formula for the
entanglement negativity in the framework of the defect AdS/BCFT correspondence where …
entanglement negativity in the framework of the defect AdS/BCFT correspondence where …
Construction and local equivalence of dual-unitary operators: From dynamical maps to quantum combinatorial designs
While quantum circuits built from two-particle dual-unitary (maximally entangled) operators
serve as minimal models of typically nonintegrable many-body systems, the construction …
serve as minimal models of typically nonintegrable many-body systems, the construction …
Bounds on gravitational brane couplings and tomography in AdS3 black hole microstates
A bstract We study information theoretic properties of planar black hole microstates in 2+ 1
dimensional asymptotically anti-de Sitter spacetime, modeled by black holes with an end-of …
dimensional asymptotically anti-de Sitter spacetime, modeled by black holes with an end-of …