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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.str-el2025★ 1 cited
Magnon damping and mode softening in quantum double-exchange ferromagnets
A. Moreo, E. Dagotto, G. Alvarez +3
We present a comprehensive analysis of the magnetic excitations and electronic properties of fully quantum double-exchange ferromagnets, i.e., systems where ferromagnetic ordering…