期刊
PHYSICAL REVIEW LETTERS
卷 124, 期 21, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.124.210604
关键词
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资金
- JST-CREST [JPMJCR16F2]
- JSPS KAKENHI [JP15K17726, JP18K03538, JP19H01824, JP19K14628]
- Program for Fostering Researchers for the Next Generation (IAR, Nagoya University)
- Building of Consortia for the Development of Human Resources in Science and Technology (MEXT)
- Japan Society for the Promotion of Science through Program for Leading Graduate Schools (ALPS)
- JSPS fellowship (JSPS KAKENHI) [JP17J03189]
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.
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