F
Frank Pollmann
Researcher at Technische Universität München
Publications - 230
Citations - 12835
Frank Pollmann is an academic researcher from Technische Universität München. The author has contributed to research in topics: Quantum entanglement & Density matrix renormalization group. The author has an hindex of 44, co-authored 210 publications receiving 9114 citations. Previous affiliations of Frank Pollmann include Academia Sinica & Max Planck Society.
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Unbounded Growth of Entanglement in Models of Many-Body Localization
TL;DR: The significance for proposed atomic experiments is that local measurements will show a large but nonthermal entropy in the many-body localized state, which develops slowly over a diverging time scale as in glassy systems.
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Entanglement spectrum of a topological phase in one dimension
TL;DR: In this paper, it was shown that the Haldane phase is characterized by a double degeneracy of the entanglement spectrum, which cannot be lifted unless either a phase boundary to another, topologically trivial, phase is crossed, or the symmetry is broken.
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Symmetry protection of topological phases in one-dimensional quantum spin systems
TL;DR: In this paper, the Haldane phase in integer spin chains is shown to be a topologically nontrivial phase which is protected by any one of the following three global symmetries: (i) the dihedral group of rotation about the $x, $y, and $z$ axes, (ii) time-reversal symmetry, and (iii) link inversion symmetry.
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Many-body localization in a disordered quantum Ising chain.
TL;DR: Two entanglement properties that are promising for the study of the many-body localization transition are explored: the variance of the half-chainEntanglement entropy of exact eigenstates and the long time change in entanglements after a local quench from an specific eigenstate.
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Operator Hydrodynamics, OTOCs, and Entanglement Growth in Systems without Conservation Laws
TL;DR: In this article, the authors show that the spreading of operators in random circuits is described by a hydrodynamical equation of motion, despite the fact that random unitary circuits do not have locally conserved quantities (e.g., no conserved energy).