Random matrix techniques in quantum information theory
The purpose of this review is to present some of the latest developments using random
techniques, and in particular, random matrix techniques in quantum information theory. Our …
techniques, and in particular, random matrix techniques in quantum information theory. Our …
Collision models in open system dynamics: A versatile tool for deeper insights?
S Campbell, B Vacchini - Europhysics Letters, 2021 - iopscience.iop.org
Understanding and simulating how a quantum system interacts and exchanges information
or energy with its surroundings is a ubiquitous problem, one which must be carefully …
or energy with its surroundings is a ubiquitous problem, one which must be carefully …
Symmetry-resolved Page curves
Given a statistical ensemble of quantum states, the corresponding Page curve quantifies the
average entanglement entropy associated with each possible spatial bipartition of the …
average entanglement entropy associated with each possible spatial bipartition of the …
Top eigenvalue of a random matrix: large deviations and third order phase transition
SN Majumdar, G Schehr - Journal of Statistical Mechanics …, 2014 - iopscience.iop.org
We study the fluctuations of the largest eigenvalue λ max of N× N random matrices in the
limit of large N. The main focus is on Gaussian β ensembles, including in particular the …
limit of large N. The main focus is on Gaussian β ensembles, including in particular the …
New holographic generalization of entanglement entropy
We introduce a new quantity, called pseudo-entropy, as a generalization of entanglement
entropy via postselection. We expect this quantity to provide a new class of order parameters …
entropy via postselection. We expect this quantity to provide a new class of order parameters …
Entanglement typicality
We provide a summary of both seminal and recent results on typical entanglement.
By'typical'values of entanglement, we refer here to values of entanglement quantifiers that …
By'typical'values of entanglement, we refer here to values of entanglement quantifiers that …
Fastest local entanglement scrambler, multistage thermalization, and a non-Hermitian phantom
J Bensa, M Žnidarič - Physical Review X, 2021 - APS
We study random quantum circuits and their rate of producing bipartite entanglement,
specifically with respect to the choice of 2-qubit gates and the order (protocol) in which these …
specifically with respect to the choice of 2-qubit gates and the order (protocol) in which these …
Statistical distribution of quantum entanglement for a random bipartite state
C Nadal, SN Majumdar, M Vergassola - Journal of Statistical Physics, 2011 - Springer
We compute analytically the statistics of the Renyi and von Neumann entropies (standard
measures of entanglement), for a random pure state in a large bipartite quantum system …
measures of entanglement), for a random pure state in a large bipartite quantum system …
Generating entanglement by quantum resetting
M Kulkarni, SN Majumdar - Physical Review A, 2023 - APS
We consider a closed quantum system subjected to stochastic Poissonian resetting with rate
r to its initial state. Resetting drives the system to a nonequilibrium stationary state (NESS) …
r to its initial state. Resetting drives the system to a nonequilibrium stationary state (NESS) …
Phase transitions in the distribution of bipartite entanglement of a random pure state
C Nadal, SN Majumdar, M Vergassola - Physical review letters, 2010 - APS
Using a Coulomb gas method, we compute analytically the probability distribution of the
Renyi en<? format?> tropies (a standard measure of entanglement) for a random pure state …
Renyi en<? format?> tropies (a standard measure of entanglement) for a random pure state …