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Chinese Physics Letters

Efimov Superchemistry： Quantum Dynamical Theory for Coherent Atom-Trimer Conversion in a Repulsive Atomic Bose-Einstein Condensate

景辉, 耿振铎

Published Jan 1, 2008• 0 citations
OpenAlex

Abstract

我们由使一个概括原子分子成为由三个原子而成的分子的黑暗州的、协调创造显示出那能在排斥原子 Bose 爱因斯坦冷凝物被提高。异种的动力学原子更整齐的创造与人显著地不同原子大小写和进一步的改进能被控制它的化学反应隧道认识到。操作原子修剪变换的可能性为当前的协调事波浪光学提供一个呼吁的研究区域。

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我们由使一个概括原子分子成为由三个原子而成的分子的黑暗州的、协调创造显示出那能在排斥原子 Bose 爱因斯坦冷凝物被提高。异种的动力学原子更整齐的创造与人显著地不同原子大小写和进一步的改进能被控制它的化学反应隧道认识到。操作原子修剪变换的可能性为当前的协调事波浪光学提供一个呼吁的研究区域。
在 ultracold 温度的原子 Bose 爱因斯坦冷凝作用的试验性的实现在创造并且操作冷分子导致了快速的进展，并且它生产了量事波浪 superchemistry 的一个新研究领域。与古典 Arrhenius 法律相反，通道主导的 ultracold 反应能通过高度控制的磁电机光的技术被认识到。新奇的量效果在这些冷反应被识别了，例如在分裂的超级选择的规则由三个原子而成的分子，和量尺寸(容器形状) 效果。在这评论，我们在这个迷人的事波浪仙境集中于许多新成就，包括在装配冷分子，在触发集体抽象反应的量噪音，和磁性的阶段的有限数字的效果和双裂缝干扰在催化激光的量转移的量混合纺纱的气体。事波浪 superchemistry 的实际应用也被介绍，例如经由量相片协会，和旋量或甚至 chiral 分子的提高激光的创造的光信息存储。
Recent experiments with Bose-Einstein condensates of 85Rb atoms near a Feshbach resonance have produced evidence for a condensate of diatomic molecules coexisting with the atom condensate. It should also be possible to create condensates of the triatomic molecules predicted by Efimov coexisting with the atom and dimer condensates. The smoking gun for the trimer condensate would be oscillatory dependence of observables on the binding energy of the trimer. It may also be possible to deduce the existence of the trimer condensate from the spectra of the bursts of atoms and dimers created in the disappearance of the trimers.