Exact quantum phase model for mesoscopic Josephson junctions

被引：8

作者：

Anglin, J.R. ^{[1
]}

Drummond, P. ^{[1
]}

Smerzi, A. ^{[1
]}

机构：

[1] Theoretical Division, CNLS, LANL, Los Alamos, NM 87545, United States

来源：

Physical Review A. Atomic, Molecular, and Optical Physics | 2001年 / 64卷 / 06期

关键词：

Approximation theory - Elementary particles - Hamiltonians - Josephson junction devices - Mathematical models - Oscillations;

D O I：

10.1103/PhysRevA.64.063605

中图分类号：

学科分类号：

摘要：

An exact version of the phenomenological quantum phase model was derived from the two-mode Bose-Hubbard model for a Josephson junction. It was shown that this exact quantum phase model reproduces the time scales and the π states of the Gross-Pitaevskii mean-field theory.

引用

页码：1 / 063605