3 papers
cond-mat.str-el2025
Tunable Hilbert space fragmentation and extended critical regime
Mateusz Lisiecki, Janez Bonča, Marcin Mierzejewski +2
Systems exhibiting the Hilbert-space fragmentation are nonergodic, and their Hamiltonians decompose into exponentially many blocks in the computational basis. In many cases, these…
cond-mat.stat-mech2025
Fading ergodicity meets maximal chaos
Rafał Świętek, Patrycja Łydżba, Lev Vidmar
Fading ergodicity provides a theoretical framework for understanding deviations from the eigenstate thermalization hypothesis (ETH) near ergodicity-breaking transitions. In this wo…
cond-mat.quant-gas2019
Unconventional pairing in one-dimensional systems of a few mass-imbalanced ultracold fermions
Patrycja Łydżba, Tomasz Sowiński
We study the ground-state properties of a two-component fermionic mixture effectively confined in a one-dimensional harmonic trap. We consider scenarios when numbers of particles i…