Journal
PHYSICAL REVIEW RESEARCH
Volume 2, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.2.033200
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Funding
- MAINZ Graduate School of Excellence
- Max Planck Graduate Center
- COST AtomQT action [CA16221]
- Deutsche Forschungsgesellschaft (DFG) [OSCAR 277810020 (RI 2345/2-1)]
- OSCAR [277810020, RI 2345/2-1]
- Alexander von Humboldt foundation
- EU
- Ramon y Cajal program
- Spanish MINECO [FIS2017-84114-C2-1-P]
- EU FEDER QuantumCat
- (AHRP)
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Probing the topological invariants of interacting systems stands as a grand and open challenge. Here we describe a dynamical method to characterize 1D chiral models, based on the direct observation of time-evolving bulk excitations. We present analytical and state-of-the-art numerical calculations on various flavors of interacting Su-Schrieffer-Heeger (SSH) chains, demonstrating how measuring the mean chiral displacement allows us to distinguish between topological insulator, trivial insulator, and symmetry-broken phases. Finally, we provide a readily-feasible experimental blueprint for a model displaying these three phases and we describe how to detect those.
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