Affiliation:
1. Paderborn University
2. Universität zu Köln
3. Chung-Ang University
4. Centro Brasileiro de Pesquisas Físicas
Abstract
We report on a photonic simulator of the critical state forming at the quantum phase transition between topologically distinct Anderson insulator phases. We observe a time-staggered profile in the circular photon polarization, which originates from the interplay of a chiral and sublattice symmetry, and has recently been suggested as a signature for topological Anderson criticality within the setup. We discuss the role of statistical detuning from criticality and show that the controlled breaking of phase coherence removes the signal, revealing its origin in quantum coherence.
Published by the American Physical Society
2024
Funder
European Research Council
Conselho Nacional de Desenvolvimento Científico e Tecnológico
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro
Deutsche Forschungsgemeinschaft
Ministry of Science and ICT, South Korea
National Research Foundation of Korea
Publisher
American Physical Society (APS)
Cited by
1 articles.
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