3 papers
cond-mat.stat-mech2025
Average weighted ratio of consecutive level spacings for infinite-dimensional orthogonal random matrices
Wouter Buijsman
The onset of quantum ergodicity is often quantified by the average ratio of consecutive level spacings. The reference values for ergodic quantum systems have been obtained numerica…
quant-ph2024
Periodic revivals from supersymmetry in a fermionic kinetically constrained model
Wouter Buijsman, Pieter W. Claeys
Supersymmetry provides a natural playground for the construction of dynamically constrained lattice fermion models. We here illustrate how supersymmetry can be used to construct a…
cond-mat.dis-nn2018
Random Matrix Ensemble for the Level Statistics of Many-Body Localization
Wouter Buijsman, Vadim Cheianov, Vladimir Gritsev
We numerically study the level statistics of the Gaussian ensemble. These statistics generalize Wigner-Dyson level statistics from the discrete set of Dyson indices …