Physics of Strong Disorder and Correlation

强无序与相关物理学

• 批准号: 0517222
• 负责人: Patrick Lee
• 金额: $ 33万
• 依托单位: Massachusetts Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2005
• 资助国家: 美国
• 起止时间: 2005-08-01 至 2008-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0517222&HistoricalAwards=false
• 关键词: Physics; Strong; Disorder; Correlation

The understanding of strongly interacting electronic systems is one of the primary goals of condensed matter physics today. Many important physical phenomena arise from strong correlation, including all of magnetism, metal-insulator transitions, the Mott transition and high temperature conductivity. With the constant stream of discovery of novel materials and new phenomena, condensed matter physics is a vibrant and exciting area of science.Theoretical work is needed both to interpret experimental discoveries and to guide the search for new materials and new phenomena. This research project is a continuation of our effort to carry on work in this general direction.The specific work we propose focuses on the understanding of quantum magnetism in the vicinity of the Mott transition, and its relationship to high temperature superconductivity and a new class of cobalt oxide superconductors.As stated above, the proposed activity addresses some of the key issues in physics and certainly holds significant intellectual merit. Results of the proposed research will have broad impact on physics and materials science in that they relate to new materials and novel phenomenon. In addition, the principal investigator has an excellent record working with students and postdoctoral associates.

对强相互作用电子系统的理解是当今凝聚态物理学的主要目标之一。许多重要的物理现象都是由强关联引起的，包括磁性、金属-绝缘体相变、Mott相变和高温电导等。随着新材料和新现象的不断发现，凝聚态物理学是一个充满活力和令人兴奋的科学领域。理论工作既需要解释实验发现，也需要指导寻找新材料和新现象。本研究项目是我们在这一大方向上继续努力的延续。我们提出的具体工作重点是理解莫特转变附近的量子磁性，以及它与高温超导性和新型钴氧化物超导体的关系。如上所述，拟议的活动解决了物理学中的一些关键问题，当然具有重要的学术价值。所提出的研究结果将对物理学和材料科学产生广泛的影响，因为它们涉及新材料和新现象。 此外，首席研究员与学生和博士后同事合作的记录也很好。