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Condensed Matter > Quantum Gases
Title: Family-Vicsek Scaling of Roughness Growth in a Strongly Interacting Bose Gas
(Submitted on 25 Nov 2019 (v1), last revised 7 May 2020 (this version, v2))
Abstract: Family-Vicsek scaling is one of the most essential scale-invariant laws emerging in surface-roughness growth of classical systems. In this Letter, we theoretically elucidate the emergence of the Family-Vicsek scaling even in a strongly interacting quantum bosonic system by introducing a surface-height operator. This operator is comprised of a summation of local particle-number operators at a simultaneous time, and thus the observation of the surface roughness in the quantum many-body system and its scaling behavior are accessible to current experiments of ultracold atoms.
Submission history
From: Kazuya Fujimoto [view email][v1] Mon, 25 Nov 2019 05:32:50 GMT (2039kb,D)
[v2] Thu, 7 May 2020 03:17:42 GMT (2235kb,D)
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