Many-body localization in the age of classical computing

P Sierant, M Lewenstein, A Scardicchio… - Reports on Progress …, 2025 - iopscience.iop.org
Statistical mechanics provides a framework for describing the physics of large, complex
many-body systems using only a few macroscopic parameters to determine the state of the …

Quantum chaos challenges many-body localization

J Šuntajs, J Bonča, T Prosen, L Vidmar - Physical Review E, 2020 - APS
Characterizing states of matter through the lens of their ergodic properties is a fascinating
new direction of research. In the quantum realm, the many-body localization (MBL) was …

Challenges to observation of many-body localization

P Sierant, J Zakrzewski - Physical Review B, 2022 - APS
We study time dynamics of 1D disordered Heisenberg spin-1/2 chains focusing on a regime
of large system sizes and a long-time evolution. This regime is relevant for observation of …

Can we study the many-body localisation transition?

RK Panda, A Scardicchio, M Schulz… - Europhysics …, 2020 - iopscience.iop.org
We present a detailed analysis of the length-and timescales needed to approach the critical
region of MBL from the delocalised phase, studying both eigenstates and the time evolution …

Measurement-induced phase transitions in -dimensional stabilizer circuits

P Sierant, M Schirò, M Lewenstein, X Turkeshi - Physical Review B, 2022 - APS
The interplay between unitary dynamics and local quantum measurements results in
unconventional nonunitary dynamical phases and transitions. In this paper we investigate …

Ergodicity breaking transition in finite disordered spin chains

J Šuntajs, J Bonča, T Prosen, L Vidmar - Physical Review B, 2020 - APS
We study disorder-induced ergodicity breaking transition in high-energy eigenstates of
interacting spin-1/2 chains. Using exact diagonalization, we introduce a cost function …

Stark many-body localization on a superconducting quantum processor

Q Guo, C Cheng, H Li, S Xu, P Zhang, Z Wang, C Song… - Physical review …, 2021 - APS
Quantum emulators, owing to their large degree of tunability and control, allow the
observation of fine aspects of closed quantum many-body systems, as either the regime …

Universal behavior beyond multifractality of wave functions at measurement-induced phase transitions

P Sierant, X Turkeshi - Physical Review Letters, 2022 - APS
We investigate the structure of many-body wave functions of 1D quantum circuits with local
measurements employing the participation entropies. The leading term in system size …

Resonance-induced growth of number entropy in strongly disordered systems

R Ghosh, M Žnidarič - Physical Review B, 2022 - APS
We study the growth of the number entropy SN in one-dimensional number-conserving
interacting systems with strong disorder, which are believed to display many-body …

Polynomially filtered exact diagonalization approach to many-body localization

P Sierant, M Lewenstein, J Zakrzewski - Physical Review Letters, 2020 - APS
Polynomially filtered exact diagonalization method (POLFED) for large sparse matrices is
introduced. The algorithm finds an optimal basis of a subspace spanned by eigenvectors …