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Observation of supersymmetric pseudo-Landau levels in strained microwave graphene
Matthieu Bellec, Charles Poli, Ulrich Kuhl +2
Using an array of coupled microwave resonators arranged in a deformed honeycomb lattice, we experimentally observe the formation of pseudo-Landau levels in the whole crossover from…
Topologically protected defect states in open photonic systems with non-hermitian charge-conjugation and parity-time symmetry
Simon Malzard, Charles Poli, Henning Schomerus
We show that topologically protected defect states can exist in open (leaky or lossy) systems even when these systems are topologically trivial in the closed limit. The states appe…
Degeneracy doubling and sublattice polarization in strain-induced pseudo-Landau levels
Charles Poli, Jake Arkinstall, Henning Schomerus
The degeneracy and spatial support of pseudo-Landau levels (pLLs) in strained honeycomb lattices systematically depends on the geometry -- for instance, in hexagonal and rectangula…
Nearest level spacing statistics in open chaotic systems: a generalization of the Wigner Surmise
Charles Poli, Germán A. Luna-Acosta, Hans-Jürgen Stockmann
We investigate the nearest level spacing statistics of open chaotic wave systems. To this end we derive the spacing distributions for the three Wigner ensembles in the one-channel…