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Titel:

Many-body topological invariants from randomized measurements in synthetic quantum matter

Dokumenttyp:
Zeitschriftenaufsatz
Autor(en):
Elben, Andreas; Yu, Jinlong; Zhu, Guanyu; Hafezi, Mohammad; Pollmann, Frank; Zoller, Peter; Vermersch, Benoît
Abstract:
Many-body topological invariants, as quantized highly nonlocal correlators of the many-body wave function, are at the heart of the theoretical description of many-body topological quantum phases, including symmetry-protected and symmetry-enriched topological phases. Here, we propose and analyze a universal toolbox of measurement protocols to reveal many-body topological invariants of phases with global symmetries, which can be implemented in state-of-the-art experiments with synthetic quantum sy...     »
Zeitschriftentitel:
Science Advances 2020-04
Jahr:
2020
Band / Volume:
6
Heft / Issue:
15
Volltext / DOI:
doi:10.1126/sciadv.aaz3666
Verlag / Institution:
American Association for the Advancement of Science (AAAS)
E-ISSN:
2375-2548
Publikationsdatum:
10.04.2020
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