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Unravelling the Li-Haldane Conjecture with the Projected Ensemble
Daniel Spasic-Mlacak, Qi Camm Huang, Wen Wei Ho +1
The entanglement spectra of fractional quantum Hall states contain universal fingerprints of their underlying topological order, as posited by the Li-Haldane conjecture. In this wo…
Characterizing topology at nonzero temperature: Topological invariants and indicators in the extended SSH model
Julia D. Hannukainen, Nigel R. Cooper
We compare three complementary diagnostics for mixed Gaussian states at nonzero temperature, focusing on the Su-Schrieffer-Heeger (SSH) chain and its inversion-symmetric extension.…
Gapless Edge Gravitons and Quasiparticles in Fractional Quantum Hall Systems with Non-Local Confinement
Daniel Spasic-Mlacak, Nigel R. Cooper
One of the central tenets of the theory of the fractional quantum Hall effect is that the bulk quantized Hall response requires the existence of a gapless chiral edge mode. The fie…
Correlations of the Current Density in Many-Body Landau Level States
Daniel Spasic-Mlacak, Nigel R. Cooper
Motivated by recent advances in quantum gas microscopy, we investigate correlation functions of the current density in many-body Landau Level states, such as the Laughlin state of…