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Chaos and quantum scars in Bose-Josephson junction coupled to a bosonic mode

By Sudip Sinha and Sankalp Sinha
We consider a model describing Bose-Josephson junction (BJJ) coupled to a single bosonic mode exhibiting quantum phase transition (QPT). Onset of chaos above QPT is observed from semiclassical dynamics as well from spectral statistics. Based on entanglement entropy we analyze the ergodic behavior of eigenstates with increasing energy density which... Show more
September 28, 2020
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Chaos and quantum scars in Bose-Josephson junction coupled to a bosonic mode
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