Critical Properties of the Half-Filled Hubbard Model in Three Dimensions

被引：102

作者：

Rohringer, G. ^{[1
]}

Toschi, A. ^{[1
]}

Katanin, A. ^{[2
,3
]}

Held, K. ^{[1
]}

机构：

[1] Vienna Univ Technol, Inst Solid State Phys, A-1040 Vienna, Austria

[2] Inst Met Phys, Ekaterinburg 620099, Russia

[3] Ural Fed Univ, Ekaterinburg 620002, Russia

来源：

PHYSICAL REVIEW LETTERS | 2011年 / 107卷 / 25期

基金：

奥地利科学基金会;

关键词：

FERROMAGNETISM;

D O I：

10.1103/PhysRevLett.107.256402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

By means of the dynamical vertex approximation (D Gamma A) we include spatial correlations on all length scales beyond the dynamical mean-field theory (DMFT) for the half-filled Hubbard model in three dimensions. The most relevant changes due to nonlocal fluctuations are (i) a deviation from the mean-field critical behavior with the same critical exponents as for the three dimensional Heisenberg (anti) ferromagnet and (ii) a sizable reduction of the Neel temperature (T-N) by similar to 30% for the onset of antiferromagnetic order. Finally, we give a quantitative estimate of the deviation of the spectra between D Gamma A and DMFT in different regions of the phase diagram.

引用

页数：5

共 50 条

[1] Critical entanglement for the half-filled extended Hubbard model
Spalding, Jon
Tsai, Shan-Wen
Campbell, David K.
PHYSICAL REVIEW B, 2019, 99 (19)
[2] PHYSICAL-PROPERTIES OF THE HALF-FILLED HUBBARD-MODEL IN INFINITE DIMENSIONS
GEORGES, A
KRAUTH, W
PHYSICAL REVIEW B, 1993, 48 (10) : 7167 - 7182
[3] Generic susceptibilities of the half-filled Hubbard model in infinite dimensions
Raas, Carsten
Uhrig, Goetz S.
PHYSICAL REVIEW B, 2009, 79 (11):
[4] Ground state properties of half-filled Hubbard model
Noce, C
Cuoco, M
PHYSICS LETTERS A, 1997, 232 (3-4) : 281 - 285
[5] Ground state properties of half-filled Hubbard model
Interdisc. Res. Ctr. Super. Conduct., University of Cambridge, Madingley Road, Cambridge CB3 OHE, United Kingdom
不详
Physics Letters, Section A: General, Atomic and Solid State Physics, 1997, 232 (3-4): : 281 - 285
[6] Phase diagram of the half-filled extended Hubbard model in two dimensions
Chattopadhyay, B
Gaitonde, DM
PHYSICAL REVIEW B, 1997, 55 (23): : 15364 - 15367
[7] PROOF OF ANTIFERROMAGNETISM IN THE HALF-FILLED HUBBARD-MODEL IN INFINITE DIMENSIONS
KOPIETZ, P
PHYSICA B, 1994, 194 : 271 - 272
[8] THERMODYNAMIC PROPERTIES OF DIMERIZED HALF-FILLED BAND HUBBARD MODEL
BERNSTEI.U
PINCUS, P
BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1973, 18 (03): : 450 - 450
[9] Form factors in the half-filled Hubbard model
Essler, FHL
Korepin, VE
PHYSICAL REVIEW B, 1999, 59 (03) : 1734 - 1738
[10] MAGNETIC SUSCEPTIBILITY FOR HALF-FILLED HUBBARD MODEL
TAKAHASHI, M
PROGRESS OF THEORETICAL PHYSICS, 1970, 43 (06): : 1619 - +

← 1 2 3 4 5 →