Exact bounds on the ground-state energy of the infinite-U Hubbard model

被引：5
|
作者：
Becca, F
Capriotti, L
Sorella, S
Parola, A
机构：
[1] Ist Nazl Fis Mat, I-34013 Trieste, Italy
[2] Scuola Int Super Studi Avanzati, I-34013 Trieste, Italy
[3] Univ Insubria, Dipartimento Fis, I-22100 Como, Italy
[4] Ist Nazl Fis Mat, I-22100 Como, Italy
来源：
PHYSICAL REVIEW B | 2000年 / 62卷 / 23期
关键词：
D O I：
10.1103/PhysRevB.62.15277
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We give upper and lower bounds fur the ground-state energy of the infinite-U Hubbard model. In two dimensions, using these bounds we are able to rule out the possibility of phase separation between the undoped-insulating stare and a hole-rich state.
引用
收藏
页码：15277 / 15278
页数：2
相关论文
共 50 条
  • [1] The ground state problem in the infinite-U Hubbard model
    E. V. Kuz’min
    [J]. Physics of the Solid State, 1997, 39 : 169 - 178
  • [2] The ground state problem in the infinite-U Hubbard model
    Kuzmin, EV
    [J]. PHYSICS OF THE SOLID STATE, 1997, 39 (02) : 169 - 178
  • [3] THE GROUND-STATE OF 2-DIMENSIONAL INFINITE-U HUBBARD-MODEL WITH A SINGLE HOLE
    SONG, Z
    YANG, ZQ
    HE, GZ
    [J]. COMMUNICATIONS IN THEORETICAL PHYSICS, 1993, 19 (02) : 243 - 246
  • [4] FERROMAGNETISM IN THE INFINITE-U HUBBARD-MODEL
    LIANG, S
    PANG, H
    [J]. EUROPHYSICS LETTERS, 1995, 32 (02): : 173 - 178
  • [5] THERMODYNAMICS OF THE INFINITE-U HUBBARD-MODEL
    YEDIDIA, JS
    [J]. PHYSICAL REVIEW B, 1990, 41 (13): : 9397 - 9402
  • [6] HOLES IN THE INFINITE-U HUBBARD-MODEL - INSTABILITY OF THE NAGAOKA STATE
    FANG, Y
    RUCKENSTEIN, AE
    DAGOTTO, E
    SCHMITTRINK, S
    [J]. PHYSICAL REVIEW B, 1989, 40 (10): : 7406 - 7409
  • [7] Effective mass divergence in the infinite-U Hubbard model
    Koretsune, T
    Ogata, M
    [J]. PHYSICA B-CONDENSED MATTER, 2006, 378-80 (323-324) : 323 - 324
  • [8] GROUND-STATE OF THE U=INFINITY HUBBARD-MODEL WITH INFINITE-RANGE HOPPING
    VERGES, JA
    GUINEA, F
    GALAN, J
    VANDONGEN, PGJ
    CHIAPPE, G
    LOUIS, E
    [J]. PHYSICAL REVIEW B, 1994, 49 (21): : 15400 - 15403
  • [9] GROUND-STATE OF U=INFINITY HUBBARD-MODEL - EXACT SOLUTION FOR 2 HOLES
    KUZMIN, EV
    [J]. JETP LETTERS, 1993, 57 (09) : 591 - 595
  • [10] SKYRMION EXCITATION IN THE INFINITE-U HUBBARD-MODEL
    NG, TK
    [J]. PHYSICAL REVIEW B, 1991, 43 (07): : 6210 - 6213
12345