Influence of next-nearest-neighbor electron hopping on the static and dynamical properties of the two-dimensional Hubbard model

被引:77
作者
Duffy, D [1 ]
Moreo, A [1 ]
机构
[1] FLORIDA STATE UNIV,MARTECH,TALLAHASSEE,FL 32306
来源
PHYSICAL REVIEW B | 1995年 / 52卷 / 21期
关键词
D O I
10.1103/PhysRevB.52.15607
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Comparing experimental data for high-T-c cuprate superconductors with numerical results for electronic models, it is becoming apparent that a hopping along the plaquette diagonals has to be included to obtain quantitative agreement. However, the values for t' discussed in the literature were obtained comparing theoretical results in the weak-coupling limit with photoemission data and band-structure calculations. The goal of this paper is to study how t' gets renormalized as the interaction between electrons, U, increases. For this purpose, the effect of adding a bare diagonal hopping t' to the two-dimensional Hubbard model Hamiltonian is investigated using numerical techniques. Spin-spin correlations, n(k), [n] vs mu, and Ideal magnetic moments are studied for several values of U/t and the electronic density. The spectral function A(k, omega) is also discussed. We introduce a criterion to determine probable locations of Fermi surfaces at zero temperature. In general, we conclude that it is very dangerous to extract a bare parameter of the Hamiltonian (t') from photoemission spectroscopy data where renormalized parameters play the important role.
引用
收藏
页码:15607 / 15616
页数:10
相关论文
共 43 条
  • [1] COMPLETE FERMI-SURFACE MAPPING OF BI2SR2CACU2O8+X (001) - COEXISTENCE OF SHORT-RANGE ANTIFERROMAGNETIC CORRELATIONS AND METALLICITY IN THE SAME PHASE
    AEBI, P
    OSTERWALDER, J
    SCHWALLER, P
    SCHLAPBACH, L
    SHIMODA, M
    MOCHIKU, T
    KADOWAKI, K
    [J]. PHYSICAL REVIEW LETTERS, 1994, 72 (17) : 2757 - 2760
  • [2] RESONANT PHOTOEMISSION-STUDY OF ND2-XCEXCUO4-Y - NATURE OF ELECTRONIC STATES NEAR THE FERMI LEVEL
    ALLEN, JW
    OLSON, CG
    MAPLE, MB
    KANG, JS
    LIU, LZ
    PARK, JH
    ANDERSON, RO
    ELLIS, WP
    MARKERT, JT
    DALICHAOUCH, Y
    LIU, R
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (05) : 595 - 598
  • [3] MAGNETIC NEUTRON-SCATTERING FROM 2-DIMENSIONAL LATTICE ELECTRONS - THE CASE OF LA2-XSRXCUO4
    BENARD, P
    CHEN, L
    TREMBLAY, AMS
    [J]. PHYSICAL REVIEW B, 1993, 47 (22): : 15217 - 15241
  • [4] NEUTRON-SCATTERING MEASUREMENTS AS A TEST OF THEORIES OF HIGH-TEMPERATURE SUPERCONDUCTIVITY
    BENARD, P
    CHEN, L
    TREMBLAY, AMS
    [J]. PHYSICAL REVIEW B, 1993, 47 (01): : 589 - 592
  • [5] QUASI-PARTICLE DISPERSION IN THE CUPRATE SUPERCONDUCTORS AND THE 2-DIMENSIONAL HUBBARD-MODEL
    BULUT, N
    SCALAPINO, DJ
    WHITE, SR
    [J]. PHYSICAL REVIEW B, 1994, 50 (10): : 7215 - 7218
  • [6] FERMI-SURFACE IN YBA2CU3O6.9 - EVIDENCE FROM ANGLE-RESOLVED PHOTOEMISSION SPECTROSCOPY AND POSITRON 2-DIMENSIONAL ANGULAR-CORRELATION OF ANNIHILATION RADIATION
    CAMPUZANO, JC
    SMEDSKJAER, LC
    BENEDEK, R
    JENNINGS, G
    BANSIL, A
    [J]. PHYSICAL REVIEW B, 1991, 43 (04): : 2788 - 2795
  • [7] FERMI SURFACES OF YBA2CU3O6.9 AS SEEN BY ANGLE-RESOLVED PHOTOEMISSION
    CAMPUZANO, JC
    JENNINGS, G
    FAIZ, M
    BEAULAIGUE, L
    VEAL, BW
    LIU, JZ
    PAULIKAS, AP
    VANDERVOORT, K
    CLAUS, H
    LIST, RS
    ARKO, AJ
    BARTLETT, RJ
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (19) : 2308 - 2311
  • [8] INCOMMENSURATE MAGNETIC FLUCTUATIONS IN LA2-XSRXCUO4
    CHEONG, SW
    AEPPLI, G
    MASON, TE
    MOOK, H
    HAYDEN, SM
    CANFIELD, PC
    FISK, Z
    CLAUSEN, KN
    MARTINEZ, JL
    [J]. PHYSICAL REVIEW LETTERS, 1991, 67 (13) : 1791 - 1794
  • [9] SYSTEMATIC 1/S STUDY OF THE 2-DIMENSIONAL HUBBARD-MODEL AT HALF-FILLING
    CHUBUKOV, AV
    MUSAELIAN, KA
    [J]. PHYSICAL REVIEW B, 1994, 50 (09) : 6238 - 6245
  • [10] STATIC AND DYNAMIC PROPERTIES OF DOPED HUBBARD CLUSTERS
    DAGOTTO, E
    MOREO, A
    ORTOLANI, F
    POILBLANC, D
    RIERA, J
    [J]. PHYSICAL REVIEW B, 1992, 45 (18): : 10741 - 10761