Volume-law entanglement entropy of typical pure quantum states

E Bianchi, L Hackl, M Kieburg, M Rigol, L Vidmar - PRX Quantum, 2022 - APS
The entanglement entropy of subsystems of typical eigenstates of quantum many-body
Hamiltonians has recently been conjectured to be a diagnostic of quantum chaos and …

Page curve for fermionic Gaussian states

E Bianchi, L Hackl, M Kieburg - Physical Review B, 2021 - APS
In a seminal paper, Page found the exact formula for the average entanglement entropy for a
pure random state. We consider the analogous problem for the ensemble of pure fermionic …

Second-order statistics of fermionic Gaussian states

Y Huang, L Wei - Journal of Physics A: Mathematical and …, 2022 - iopscience.iop.org
We study the statistical behavior of entanglement in quantum bipartite systems over
fermionic Gaussian states as measured by von Neumann entropy and entanglement …

Harmonic analysis for rank-1 randomised Horn problems

J Zhang, M Kieburg, PJ Forrester - Letters in Mathematical Physics, 2021 - Springer
The randomised Horn problem, in both its additive and multiplicative versions, has recently
drawn an increasing interest. Especially, closed analytical results have been found for the …

Entropy fluctuation formulas of fermionic Gaussian states

Y Huang, L Wei - Annales Henri Poincaré, 2023 - Springer
We study the statistical behavior of quantum entanglement in bipartite systems over
fermionic Gaussian states as measured by von Neumann entropy. The formulas of average …

Fluctuations of -Jacobi product processes

A Ahn - Probability Theory and Related Fields, 2022 - Springer
We study Markov chains formed by squared singular values of products of truncated
orthogonal, unitary, symplectic matrices (corresponding to the Dyson index β= 1, 2, 4 …

Derivative principles for invariant ensembles

M Kieburg, J Zhang - Advances in Mathematics, 2023 - Elsevier
In the present work we show that the joint probability distribution of the eigenvalues can be
expressed in terms of a differential operator acting on the distribution of some other matrix …

Spectral statistics for the difference of two Wishart matrices

S Kumar, SS Charan - Journal of Physics A: Mathematical and …, 2020 - iopscience.iop.org
In this work, we consider the weighted difference of two independent complex Wishart
matrices and derive the joint probability density function of the corresponding eigenvalues in …

Extremal singular values of random matrix products and Brownian motion on

A Ahn - Probability Theory and Related Fields, 2023 - Springer
We establish universality for the largest singular values of products of random matrices with
right unitarily invariant distributions, in a regime where the number of matrix factors and size …

Corank-1 projections and the randomised Horn problem

P Forrester, J Zhang - Tunisian Journal of Mathematics, 2020 - msp.org
Let x ̂ be a normalised standard complex Gaussian vector, and project an Hermitian matrix
A onto the hyperplane orthogonal to x ̂. In a recent paper Faraut (Tunisian J. Math. 1 …