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cond-mat.str-el2023★ 6 cited
Probing Hilbert space fragmentation and the block inverse participation ratio
Philipp Frey, David Mikhail, Stephan Rachel +1
We consider a family of quantum many-body Hamiltonians that show exact Hilbert space fragmentation in certain limits. The question arises whether fragmentation has implications for…
cond-mat.str-el2022★ 21 cited
Hilbert space fragmentation and interaction-induced localization in the extended Fermi-Hubbard model
Philipp Frey, Lucas Hackl, Stephan Rachel
We study Hilbert space fragmentation in the extended Fermi-Hubbard model with nearest and next-nearest-neighbor interactions. Using a generalized spin/mover picture and saddle poin…