Semiclassical spectrum tomography links classical phase-space structures to metastability, chaos, and quantum ergodicity in finite Bose-Hubbard rings and chains.
In the contin- uum limitv k = (1/M)kwith massM= (Kℓ 2)−1
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Metastability, chaos and spectrum tomography for Bose-Hubbard rings and chains
Semiclassical spectrum tomography links classical phase-space structures to metastability, chaos, and quantum ergodicity in finite Bose-Hubbard rings and chains.