OBSERVATION OF CHIRAL SPIN FLUCTUATIONS IN INSULATING PLANAR CUPRATES

被引：49
|
作者：
SULEWSKI, PE
FLEURY, PA
LYONS, KB
CHEONG, SW
机构：
来源：
PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 27期
关键词：
D O I：
10.1103/PhysRevLett.67.3864
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A recent theory of Raman scattering in the Hubbard model predicts scattering of A2 symmetry arising from chiral spin fluctuations. In the doped planar cuprates, chiral spin fluctuations have been speculated to play a central role in establishing the normal-state properties. In addition to spin fluctuation scattering in the B1, A1, and B2 symmetries, we report here the direct observation of dynamic chiral spin fluctuations, appearing in the inelastically scattered light of A2 symmetry. In Gd2CuO4, the A2 scattering broadly peaks near 4700 cm-1 (approximately 5J) and extends beyond 8000 cm-1 (1 eV).
引用
收藏
页码：3864 / 3867
页数：4
相关论文
共 50 条
  • [1] Majorana chiral spin liquid in a model for Mott insulating cuprates
    Merino, Jaime
    Ralko, Arnaud
    [J]. PHYSICAL REVIEW RESEARCH, 2022, 4 (02):
  • [2] Magnetic excitations and amplitude fluctuations in insulating cuprates
    Chelwani, N.
    Baum, A.
    Boehm, T.
    Opel, M.
    Venturini, F.
    Tassini, L.
    Erb, A.
    Berger, H.
    Forro, L.
    Hackl, R.
    [J]. PHYSICAL REVIEW B, 2018, 97 (02)
  • [3] SPIN FLUCTUATIONS IN SUPERCONDUCTING CUPRATES
    LYONS, KB
    FLEURY, PA
    [J]. JOURNAL OF APPLIED PHYSICS, 1988, 64 (10) : 6075 - 6080
  • [4] Spin fluctuations in magnetically coupled bilayer cuprates
    Kishine, J
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 1997, 282 : 1771 - 1772
  • [5] Spin fluctuations in cuprates as the key to high Tc
    Prelovsek, P
    Sega, I
    Ramsak, A
    Bonca, J
    [J]. EFFECTIVE MODELS FOR LOW-DIMENSIONAL STRONGLY CORRELATED SYSTEMS, 2006, 816 : 100 - +
  • [6] Spin liquid state around a doped hole in insulating cuprates
    Tohyama, T
    Shibata, Y
    Maekawa, S
    Shen, ZX
    Nagaosa, N
    Miller, LL
    [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 2000, 69 (01) : 9 - 12
  • [7] Quantum spin fluctuations and evolution of electronic structure in cuprates
    Stepanov, Evgeny A.
    Peters, Lars
    Krivenko, Igor S.
    Lichtenstein, Alexander I.
    Katsnelson, Mikhail I.
    Rubtsov, Alexey N.
    [J]. NPJ QUANTUM MATERIALS, 2018, 3
  • [8] Spin fluctuations and high-temperature superconductivity in cuprates
    Plakida, Nikolay M.
    [J]. PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS, 2016, 531 : 39 - 59
  • [9] Quantum spin fluctuations and evolution of electronic structure in cuprates
    Evgeny A. Stepanov
    Lars Peters
    Igor S. Krivenko
    Alexander I. Lichtenstein
    Mikhail I. Katsnelson
    Alexey N. Rubtsov
    [J]. npj Quantum Materials, 3
  • [10] Spin Fluctuations and High-Temperature Superconductivity in Cuprates
    Plakida, Nikolay M.
    [J]. JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2015, 28 (04) : 1309 - 1313
12345