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Quantum Criticality Between Metal and Charge Order

Quantum Criticality Between Metal and Charge Order
金属与电荷序之间的量子临界
批准号:
204566485
负责人:
Professor Dr. Martin Dressel
金额:
$0.0万
依托单位:
依托单位国家:
德国
项目类别:
Research Grants
财政年份:
2013
资助国家:
德国
项目状态:
已结题
起止时间:
2012-12-31 至 2016-12-31

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中文摘要
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英文摘要
Quantum critical points can occur at the edge of charge order. There quantum fluctuations associated with charge rather than magnetic order induce unconventional metallic properties. We want to investigate the transport properties, i.e. dc resistivity and Hall effect, of two-dimensional organic conductors in the vicinity of charge order to see how the coherence scale Tcoh characteristic of Fermi liquid behavior of the homogeneous metal vanishes at the onset of charge order. It is predicted that a strong effective mass enhancement reminiscent of heavy fermion behavior indicates the possible destruction of quasiparticles at the quantum-critical points.
期刊论文(6)
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会议论文
Electrically induced phase transition in α -(BEDT-TTF) 2 I 3 : Indications for Dirac-like hot charge carriers
α -(BEDT-TTF) 2 I 3 中的电致相变:类狄拉克热载流子的适应症
DOI: 10.1103/physrevb.93.245133
发表时间: 2016
期刊: Physical Review B
影响因子: 3.7
作者: [T. Peterseim, T. Ivek, D. Schweitzer, M. Dressel]
通讯作者: M. Dressel
Pressure-dependent optical investigations of α -(BEDT-TTF) 2 I 3 : Tuning charge order and narrow gap towards a Dirac semimetal
α -(BEDT-TTF) 2 I 3 的压力相关光学研究:调整电荷顺序和窄带隙朝向狄拉克半金属
DOI: 10.1103/physrevb.93.195116
发表时间: 2016
期刊: Physical Review B
影响因子: 3.7
作者: [R. Beyer, A. Dengl, T. Peterseim, S. Wackerow, T. Ivek, A.V. Pronin, D. Schweitzer, M. Dressel]
通讯作者: M. Dressel
Pressure dependence of the metal-insulator transition in κ-(BEDT-TTF)2Hg(SCN)2Cl: optical and transport studies
δ-(BEDT-TTF)2Hg(SCN)2Cl 中金属-绝缘体转变的压力依赖性:光学和传输研究
DOI: 10.1088/1361-648x/29/5/055601
发表时间: 2017
期刊: Journal of Physics: Condensed Matter
影响因子: --
作者: [A. Löhle, E. Rose, S. Singh, R. Beyer, E. Tafra, T. Ivek, S.A. Turunova, E.I. Zhilyaeva, R.N. Lyubovskaya, M. Dressel]
通讯作者: M. Dressel
Semimetallic and charge-ordered α-(BEDT-TTF)2I3: On the role of disorder in dc transport and dielectric properties
半金属和电荷有序 α-(BEDT-TTF)2I3:论无序在直流输运和介电性能中的作用
DOI: 10.1103/physrevb.96.075141
发表时间: 2017
期刊: Physical Review B
影响因子: 3.7
作者: [T. Ivek, M. Culo, M. Kuvezdic, B. Korin-Hamzic, E. Tutis, M. Basletic, B. Mihaljevic, E. Tafra, A. Löhle, M. Dressel, D. Schweitzer, S. Tomic]
通讯作者: S. Tomic
Competing energy scales in granular superconductors: phase-governed superfluid and pseudogap determine the superconducting dome
  • 批准号:
    363792753
  • 项目类别:
    Research Grants
  • 资助金额:
    $0.0万
  • 财政年份:
    2017
  • 负责人:
    Professor Dr. Martin Dressel
  • 依托单位:
Ordering phenomena in dimerized Mott insulators on a triangular lattice: effects of electronic correlations and anion coupling
  • 批准号:
    286791755
  • 项目类别:
    Research Grants
  • 资助金额:
    $0.0万
  • 财政年份:
    2016
  • 负责人:
    Professor Dr. Martin Dressel
  • 依托单位:
Transient localization of charge carriers in organic semiconductors
  • 批准号:
    273379252
  • 项目类别:
    Research Grants
  • 资助金额:
    $0.0万
  • 财政年份:
    2015
  • 负责人:
    Professor Dr. Martin Dressel
  • 依托单位:
Anisotropy and Magnetism in the EuFe2As2 Family
  • 批准号:
    237770494
  • 项目类别:
    Priority Programmes
  • 资助金额:
    $0.0万
  • 财政年份:
    2013
  • 负责人:
    Professor Dr. Martin Dressel
  • 依托单位:
海外基金