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Effective Quantum Time Crystal by Decoherence

zqyin 添加于 2017-3-16 16:56 | 1048 次阅读 | 0 个评论

作者
Nakatsugawa K, Fujii T, Tanda S
摘要
We show that time translation symmetry of a finite-size system is broken by decoherence. In particular, we consider a ring-shaped incommensurate charge density wave (ICDW ring) threaded by a fluctuating magnetic flux: the Caldeira-Leggett model is used to model the fluctuating flux as a bath of harmonic oscillators, then we show that a quantized ICDW ring possesses an inherent periodic oscillation. Therefore, our model forms an effective quantum time crystal with a finite length in space and in time.
详细资料
- 关键词: quant-ph
- 文献种类: Manual Script
- 期卷页: 2017年
- 日期: 2017-3-12
- 发布方式: arXiv e-prints
- 备注:http://arxiv.org/abs/1703.04002v1
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