4 papers
One-Body Purity, Non-Gaussianity, and Entanglement in Interacting Integrable Models
RafaÅ ÅwiÄtek, Maksymilian Kliczkowski, Lev Vidmar +1
When describing entanglement in typical midspectrum eigenstates of many-body lattice Hamiltonians, two paradigms have emerged that capture the behavior observed in integrable and n…
Information in Many-body Eigenstates: A Question of Learnability
Maksymilian Kliczkowski, JarosÅaw PawÅowski, Masudul Haque
To what extent do individual eigenstates encode information about their parent Hamiltonian, and how does this encoding vary across the spectrum? We introduce \emph{learnability} as…
Fading ergodicity and quantum dynamics in random matrix ensembles
RafaÅ ÅwiÄtek, Maksymilian Kliczkowski, Miroslav Hopjan +1
Recent work has proposed fading ergodicity as a mechanism for many-body ergodicity breaking. Here, we show that two paradigmatic random matrix ensembles -- the Rosenzweig-Porter mo…
Probing frustrated spin systems with impurities
Maksymilian Kliczkowski, Jakub Grabowski, Maciej M. MaÅka
We investigate the effective interaction between two localized spin impurities embedded in a frustrated spin-1/2 Heisenberg chain. Treating the impurity spins as clas…