Najbliższe seminaria

12 VIPiotr Sierant (ICFO, Barcelona, Spain)
Controlling entanglement at absorbing state phase transitions in random circuits
Gdzie: MS Teams [ZOA-test], 12:15
Seminarium Zakładowe
Online: [link]
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05-11.09.2021 - Quantum Optics X

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Open Data

Current: /2201.10260

Arxiv link

The weak ergodicity breaking induced by quantum many-body scars (QMBSs) represents an intriguing concept that has received great attention in recent years due to its relation to unusual nonequilibrium behavior. Here, we reveal that this phenomenon can occur in a particular regime of a lattice gauge theory, where QMBSs emerge due to the presence of an extensive number of local constraints. In particular, by analyzing the gauged Kitaev model, we provide an example where QMBSs appear in a regime where charges are deconfined. By means of both numerical and analytical approaches, we find a variety of scarred states far away from the regime where the model is integrable. The presence of these states is revealed both by tracing them directly from the analytically reachable limit, as well as by quantum quenches showing persistent oscillations for specific initial states.

[Parent Directory]
adiabatic_changeDIR The data for the adiabatic evolution and the various statistical observables. These were used for Fig.2, Fig.3 and various figures in the supplement.
contourDIR The data file for the overlap plot as shown in Fig. 1 in the text.
fid_and_entDIR The data sets that contains the details for the fidelity shown in Fig. 3(b) and the entanglement entropy spectrum shown in Fig. 4.