Renormalized versus unrenormalized perturbation-theoretical approaches to the Mott transition

被引：14

作者：

Lange, E ^{[1
]}

机构：

[1] Rutgers State Univ, Serin Phys Lab, Piscataway, NJ 08854 USA

来源：

MODERN PHYSICS LETTERS B | 1998年 / 12卷 / 22期

关键词：

D O I：

10.1142/S0217984998001050

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

I employ an exactly soluble toy model to investigate why unrenormalized perturbation theory works better than fully self-consistent approaches in describing the correlation-driven metal-insulator transition.

引用

页码：915 / 919

页数：5

共 13 条

[1] CONSERVATION LAWS AND CORRELATION FUNCTIONS [J].

BAYM, G ;

KADANOFF, LP .

PHYSICAL REVIEW, 1961, 124 (02) :287-+

[2] Dynamical mean-field theory of strongly correlated fermion systems and the limit of infinite dimensions [J].

Georges, A ;

Kotliar, G ;

Krauth, W ;

Rozenberg, MJ .

REVIEWS OF MODERN PHYSICS, 1996, 68 (01) :13-125

[3] HUBBARD-MODEL IN INFINITE DIMENSIONS [J].

GEORGES, A ;

KOTLIAR, G .

PHYSICAL REVIEW B, 1992, 45 (12) :6479-6483

[4] New iterative perturbation scheme for lattice models with arbitrary filling [J].

Kajueter, H ;

Kotliar, G .

PHYSICAL REVIEW LETTERS, 1996, 77 (01) :131-134

[5] THE HUBBARD-MODEL AT HIGH DIMENSIONS - SELF-CONSISTENT WEAK-COUPLING THEORY [J].

MENGE, B ;

MULLERHARTMANN, E .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1991, 82 (02) :237-242

[6] CORRELATED LATTICE FERMIONS IN D=INFINITY DIMENSIONS [J].

METZNER, W ;

VOLLHARDT, D .

PHYSICAL REVIEW LETTERS, 1989, 62 (03) :324-327

[7] CRITICAL-BEHAVIOR NEAR THE MOTT TRANSITION IN THE HUBBARD-MODEL [J].

MOELLER, G ;

SI, QM ;

KOTLIAR, G ;

ROZENBERG, M .

PHYSICAL REVIEW LETTERS, 1995, 74 (11) :2082-2085

[8] THE TRANSITION TO THE METALLIC STATE [J].

MOTT, NF .

PHILOSOPHICAL MAGAZINE, 1961, 6 (62) :287-309

[9] THE HUBBARD-MODEL AT HIGH DIMENSIONS - SOME EXACT RESULTS AND WEAK COUPLING THEORY [J].

MULLERHARTMANN, E .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1989, 76 (02) :211-217

[10] PERTURBATION EXPANSION FOR ANDERSON HAMILTONIAN .2. [J].

YAMADA, K .

PROGRESS OF THEORETICAL PHYSICS, 1975, 53 (04) :970-986

← 1 2 →