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  Entanglement and spectra in topological many-body localized phases

Decker, K. S. C., Kennes, D. M., Eisert, J., & Karrasch, C. (2020). Entanglement and spectra in topological many-body localized phases. Physical Review B, 101(1): 014208. doi:10.1103/PhysRevB.101.014208.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0005-9D0C-E Version Permalink: https://hdl.handle.net/21.11116/0000-000B-AE5E-9
Genre: Journal Article

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PhysRevB.101.014208.pdf (Publisher version), 2MB
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https://dx.doi.org/10.1103/PhysRevB.101.014208 (Publisher version)
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https://arxiv.org/abs/1902.02259 (Preprint)
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 Creators:
Decker, K. S. C.1, Author
Kennes, D. M.2, 3, 4, Author           
Eisert, J.5, Author
Karrasch, C.1, Author
Affiliations:
1Institut für Mathematische Physik, Technische Universität Braunschweig, ou_persistent22              
2Institut für Theorie der Statistischen Physik, RWTH Aachen University and JARA-Fundamentals of Future Information Technology, ou_persistent22              
3Theory Group, Theory Department, Max Planck Institute for the Structure and Dynamics of Matter, Max Planck Society, ou_2266715              
4Center for Free Electron Laser Science, ou_persistent22              
5Dahlem Center for Complex Quantum Systems and Fachbereich Physik, Freie Universität Berlin, ou_persistent22              

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 Abstract: Many-body localized systems in which interactions and disorder come together defy the expectations of quantum statistical mechanics: In contrast to ergodic systems, they do not thermalize when undergoing nonequilibrium dynamics. What is less clear, however, is how topological features interplay with many-body localized phases as well as the nature of the transition between a topological and a trivial state within the latter. In this paper, we numerically address these questions using a combination of extensive tensor network calculations, specifically density matrix renormalization-group-X, as well as exact diagonalization, leading to a comprehensive characterization of Hamiltonian spectra and eigenstate entanglement properties.

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Language(s): eng - English
 Dates: 2019-11-292019-02-062020-01-242020-01-01
 Publication Status: Issued
 Pages: -
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 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevB.101.014208
arXiv: 1902.02259
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Project name : -
Grant ID : 817482
Funding program : Horizon 2020 (H2020)
Funding organization : European Commission (EC)
Project name : This work has been supported by the DFG (Grants No. CRC 183, No. FOR 2724, No. EI 519/14-1, and No. EI 519/15-1) and through the Emmy Noether Program (Program No. KA 3360/2-1), the ERC (TAQ), and the Templeton Foundation. This work has also received funding from the European Union's Horizon 2020 Research and Innovation Program under Grant Agreement No. 817482 (PASQuanS).
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Title: Physical Review B
  Abbreviation : Phys. Rev. B
Source Genre: Journal
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Publ. Info: Woodbury, NY : American Physical Society
Pages: - Volume / Issue: 101 (1) Sequence Number: 014208 Start / End Page: - Identifier: ISSN: 1098-0121
CoNE: https://pure.mpg.de/cone/journals/resource/954925225008