Local Moment and Heavy Fermion Physics
局域矩和重费米子物理
基本信息
- 批准号:0605935
- 负责人:
- 金额:$ 36.6万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-09-01 至 2010-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This grant is for the support of the core condensed matter theory research and education activities of Piers Coleman, along with the participation of senior personnel collaborator, Professor Elihu Abrahams. Intellectual Merit: Heavy electron and local moment physics occupy a vital corner in current research into correlated electron materials. Many of the key questions touch upon issues of fundamental importance to the condensed matter community, such as the physics of quantum criticality, mechanisms of anisotropic superconductivity, and the origins of non-Fermi liquid behavior. This makes it an ideal training ground for students of condensed matter physics. The PI's recent success in applying the Schwinger boson to fully screened Kondo models opens up a unique opportunity to connect magnetism and heavy electron physics, an important component of this project. The recent discovery of the charge Kondo effect in doped PbTe, confirming a past prediction of the PI, motivates a new program to adapt tools and concepts from magnetism and spin physics to systems with preformed pairs and slow charge fluctuations. Lastly, the recent discovery of a two dimensional heavy fermion behavior in bilayer 3He, provides the motivation for a new study of heavy fermion behavior in two dimensions.Broader Impact: Research into the various aspects of "hard condensed matter physics" plays an essential driving role in both the development of new physics concepts, and new ideas for the development of materials of the future. For example, the remarkable tendency of quantum critical points to nucleate new phases of matter is of great interest to materials development; on the other hand, the new universality classes of quantum phase transition are of great fundamental interest and, like their classical predecessors in statistical mechanics, may enjoy generalization and future application in the realm of cosmology and particle physics. This is a great area for students to learn the advanced methods of theoretical physics, while maintaining an intimate contact with experimental physics and real materials. The work described in this proposal will contribute modestly to the growth of our understanding of correlated matter, helping the experimentalist to develop new probes and forging new conceptual frameworks that complement the older approaches of solid state physics.The PI aims to focus his studies on: quantum phase transitions in heavy electron systems; transport and electrodynamics of valence skipping materials; heavy fermion physics in two dimensional bilayer 3He on graphite; and superconductivity in the layered 115 materials.Non-Technical Abstract: This grant supports theoretical research and education in condensed matter physics. The research is fundamental and has high intellectual merit in that the results will advance the progress of condensed matter physics and also may influence other fields of physics. Novel phenomena discovered in these systems may lead to materials for future devices. The project includes the participation of students and postdoctoral associates. The principal investigator is an effective spokesman for condensed matter physics both within this community and with the general public.The research will focus on the behavior of electrons in special classes of materials in which they behave as if their mass is many times their real mass. Hence these materials are called heavy electron materials. These "heavy electrons" are intricately connected with the superconducting, magnetic and electronic properties of theses materials. Trying to understand their behavior presents many intellectual challenges, yields many surprises, and lays the foundations for understanding how the interactions among electrons in a material can lead to new phenomena.
这笔赠款是为支持核心凝聚态理论研究和教育活动的皮尔斯科尔曼,沿着的参与,高级人员的合作者,教授伊莱休亚伯拉罕。智力优势:重电子和局域矩物理学在当前相关电子材料的研究中占据着重要的地位。许多关键问题都涉及到对凝聚态社区至关重要的问题,例如量子临界物理学,各向异性超导机制以及非费米液体行为的起源。这使得它成为凝聚态物理学生的理想训练场。PI最近成功地将Schwinger玻色子应用于完全屏蔽的Kondo模型,为连接磁性和重电子物理学提供了一个独特的机会,这是该项目的重要组成部分。最近发现的电荷近藤效应掺杂碲化铅,证实了过去的预测PI,激发了一个新的计划,以适应工具和概念,从磁性和自旋物理系统与预先形成的对和缓慢的电荷波动。最后,最近在双层3 He中发现的二维重费米子行为,为二维重费米子行为的新研究提供了动力。更广泛的影响:对“硬凝聚态物理”各个方面的研究在新物理概念的发展和未来材料发展的新思路中起着重要的推动作用。例如,量子临界点的显着趋势成核物质的新阶段是非常感兴趣的材料发展;另一方面,量子相变的新普适性类是非常重要的基本利益,像他们的经典前辈在统计力学,可能会享受推广和未来的应用在宇宙学和粒子物理学领域。 这是一个伟大的领域,让学生学习理论物理的先进方法,同时保持与实验物理和真实的材料的亲密接触。本计划中所描述的工作将有助于我们对相关物质的理解的增长,帮助实验学家开发新的探针,并建立新的概念框架,以补充固态物理的旧方法。PI的目标是专注于他的研究:重电子系统中的量子相变;价跳跃材料的输运和电动力学;在石墨上的二维双层3 He中的重费米子物理;和层状115材料中的超导性。非技术摘要:该基金支持凝聚态物理的理论研究和教育。 该研究具有基础性和高智力价值,其结果将推动凝聚态物理的发展,并可能影响物理学的其他领域。 在这些系统中发现的新现象可能会导致未来设备的材料。 该项目包括学生和博士后同事的参与。 首席研究员是凝聚态物理学在这个社区和普通公众中的有效发言人。研究将集中在电子在特殊类别材料中的行为上,在这些材料中,它们的行为就好像它们的质量是它们的真实的质量的许多倍。 因此,这些材料被称为重电子材料。 这些“重电子”与这些材料的超导性、磁性和电子特性有着错综复杂的联系。 试图理解它们的行为提出了许多智力挑战,产生了许多惊喜,并为理解材料中电子之间的相互作用如何导致新现象奠定了基础。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Piers Coleman其他文献
Lifting the gossamer veil
揭开薄纱
- DOI:
10.1038/424625a - 发表时间:
2003-08-07 - 期刊:
- 影响因子:48.500
- 作者:
Piers Coleman - 通讯作者:
Piers Coleman
Quasi-uniaxial pressure induced superconductivity in the stoichiometric compound UTe2
化学计量化合物 UTe2 中的准单轴压力诱导超导
- DOI:
10.1103/physrevb.106.024503 - 发表时间:
2022 - 期刊:
- 影响因子:3.7
- 作者:
Chongli Yang;Jing Guo;Shu Cai;Yazhou Zhou;Vladimir A. Sidorov;Cheng Huang;Sijin Long;Youguo Shi;Qiuyun Chen;Shiyong Tan;Qi Wu;Piers Coleman;Tao Xiang;Liling Sun - 通讯作者:
Liling Sun
What is the fate of the heavy electron at a quantum critical point
重电子在量子临界点的命运是什么
- DOI:
10.1016/s0921-4526(01)01342-4 - 发表时间:
2001 - 期刊:
- 影响因子:2.8
- 作者:
Piers Coleman;C. Pépin - 通讯作者:
C. Pépin
Lifting the gossamer veil
揭开薄纱
- DOI:
10.1038/424625a - 发表时间:
2003-08-07 - 期刊:
- 影响因子:48.500
- 作者:
Piers Coleman - 通讯作者:
Piers Coleman
Theory perspective: SCES ’05 Vienna
理论视角:SCES ’05 维也纳
- DOI:
10.1016/j.physb.2006.01.530 - 发表时间:
2005 - 期刊:
- 影响因子:2.8
- 作者:
Piers Coleman - 通讯作者:
Piers Coleman
Piers Coleman的其他文献
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{{ truncateString('Piers Coleman', 18)}}的其他基金
Entanglement Physics of Quantum f-electron Materials
量子f电子材料的纠缠物理
- 批准号:
1830707 - 财政年份:2019
- 资助金额:
$ 36.6万 - 项目类别:
Continuing Grant
2018 Correlated Electron Systems GRC/GRS
2018相关电子系统GRC/GRS
- 批准号:
1833673 - 财政年份:2018
- 资助金额:
$ 36.6万 - 项目类别:
Standard Grant
Emergence in Disordered, Interacting and Living Systems a the Aspen Center August 12, 2017
阿斯彭中心无序、相互作用和生命系统的出现 2017 年 8 月 12 日
- 批准号:
1744254 - 财政年份:2017
- 资助金额:
$ 36.6万 - 项目类别:
Standard Grant
Local Moment and Heavy Fermion Physics
局域矩和重费米子物理
- 批准号:
1309929 - 财政年份:2013
- 资助金额:
$ 36.6万 - 项目类别:
Continuing Grant
PWA90: Emergent Frontiers of Condensed Matter will be held at Princeton University, Princeton, NJ, 14-15 December 2013
PWA90:凝聚态物质的新兴前沿将于 2013 年 12 月 14 日至 15 日在新泽西州普林斯顿的普林斯顿大学举行
- 批准号:
1401789 - 财政年份:2013
- 资助金额:
$ 36.6万 - 项目类别:
Standard Grant
Local Moment and Heavy Fermion Physics
局域矩和重费米子物理
- 批准号:
0907179 - 财政年份:2009
- 资助金额:
$ 36.6万 - 项目类别:
Continuing Grant
Local Moment and Heavy Fermion Physics
局域矩和重费米子物理
- 批准号:
0312495 - 财政年份:2003
- 资助金额:
$ 36.6万 - 项目类别:
Continuing Grant
U.S.-Hungary Materials Theory Research on Strongly Correlated and Mesoscopic Systems
美匈强相关介观系统材料理论研究
- 批准号:
0130446 - 财政年份:2002
- 资助金额:
$ 36.6万 - 项目类别:
Standard Grant
Local Moment and Heavy Fermion Physics
局域矩和重费米子物理
- 批准号:
9983156 - 财政年份:1999
- 资助金额:
$ 36.6万 - 项目类别:
Standard Grant
Local Moment and Heavy Fermion Physics
局域矩和重费米子物理
- 批准号:
9614999 - 财政年份:1996
- 资助金额:
$ 36.6万 - 项目类别:
Continuing Grant
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