驱动系统中量子反共振的痕迹
凝聚态物理
2009-10-28 v3 chao-dyn
混沌动力学
摘要
先前已证明,未扰动谱具有单一能量尺度的经典混沌踢系统,表现出量子反共振(QAR)行为。在本研究中,我们将该QAR发生的条件扩展到双侧踢一维无限深势阱的情形。随后通过微扰论证表明,该QAR影响了等效驱动阱的行为,即离开初始态所需的周期数在QAR附近出现尖锐峰值。我们给出了数值证据,表明即使对于大的微扰参数值,反共振仍然存在。
引用
@article{arxiv.cond-mat/9502056,
title = {Traces of a Quantum Anti-Resonance in a Driven System},
author = {Eli Eisenberg and Rachel Avigur and Nadav Shnerb},
journal= {arXiv preprint arXiv:cond-mat/9502056},
year = {2009}
}
备注
The first figure is available only via FAX. It contains only a Poincare map of the classical system (see text) Most readers could do without it. However, please send us an e-mail massage with your FAX number if you're interested