光晶格中超冷原子的新奇量子态研究

项目名称： 光晶格中超冷原子的新奇量子态研究

项目编号： No.10874235

项目类型： 面上项目

立项/批准年度： 2009

项目学科： 金属学与金属工艺

项目作者： 刘伍明

作者单位： 中国科学院物理研究所

项目金额： 40万元

中文摘要： 本项目从量子力学原理出发并利用量子场论和量子统计理论，发展处理多体系统的非微扰方法，从解析计算和数值模拟两方面研究，建立一般的更有效的理论来理解当温度低到几百纳开时，光晶格中超冷原子是如何与其它原子作用的并形成新奇的量子态，从而揭示冷原子之间的关联效应，等等。并用超冷原子来模拟复杂的物理系统例如强关联凝聚态系统，从而有效地研究不同强关联体系中的新奇效应。光晶格还可以非常有效的存储和操控量子信息。最重要的是光晶格中超冷原子为我们提供了许多独一无二的研究平台，而这些在其它物理体系中是无法实现的。它使我们可以充分地研究超流、量子磁性、相干量子物理以及相互作用超冷原子自身的基本特性，理解在不同实验条件下的量子行为，为我们理解包括高温超导在内的强关联系统及量子计算提供了广阔的前景。

中文关键词： 超冷原子；新奇量子态；玻色－爱因斯坦凝聚；强关联效应

英文摘要： The project starting from quantum mechanics and quantum field theory and quantum statistical theory, the development of processing non-perturbative many-body systems approach, from the analytical calculations and numerical simulation of two studies, the establishment of a general theory to understand the more effective when the temperature is low open to hundreds of satisfied, the optical lattice is super-cold atoms with other atoms to the role and the formation of novel quantum states, which reveals the correlation between the effects of cold atoms, and so on. And ultra-cold atoms to simulate complex physical systems such as strongly correlated condensed matter systems, in order to effectively study the different systems of strongly correlated novelty effect. Optical lattice can also be very effective to store and manipulate quantum information. The most important thing is super cold atom optical lattice provides us with many unique research platform, which in other physical systems can not be achieved. It allows us to fully study superfluidity, quantum magnetism, quantum physics and the coherent interaction of ultra-cold atoms its basic characteristics, under different experimental conditions to understand the quantum behavior, including high-temperature superconductivity for our understanding of strongly correlated systems, including and quantum computing to provide a broad prospect.

英文关键词： ultracold atom novel quantum states BEC strongly correalated effects