ITP OpenIR  > 理论物理所科研产出  > SCI论文
Marchetti, P. A.; Su, Z. B.; Yu, L.; Marchetti, PA , Univ Padua, Dipartimento Fis G Galilei, Ist Nazl Fis Nucl, I-35131 Padua, Italy
Spin-charge gauge approach to metal-insulator crossover and transport properties in high-T(c) cuprates
Source PublicationJOURNAL OF PHYSICS-CONDENSED MATTER
KeywordValence-bond State High-temperature Superconductors Mean Field-theory j Model Axis Resistivity Fractional-statistics Single-crystals Mott Insulator Hubbard-model Thin-films
AbstractThe spin-charge gauge approach to the metal-insulator crossover (MIC) and other anomalous transport properties in high-T(c) cuprates is briefly reviewed. A U(1) field gauging the global charge symmetry and an SU(2) field gauging the global spin-rotational symmetry are introduced to study the two-dimensional t-J model in the limit t >> J. The MIC, as a clue to the understanding of the 'pseudogap' (PG) phase, is attributed to the competition between the shortrange antiferromagnetic order and dissipative motion of charge carriers coupled to the slave-particle gauge field. The composite particle formed by binding the charge carrier (holon) and spin excitation (spinon) via the slave-particle gauge field exhibits a number of peculiar properties, and the calculated results are in good agreement with experimental data for both PG and 'strange metal' phases. Connections to other gauge field approaches in studying the strong correlation problem are also briefly outlined.
2007
ISSN0953-8984
Volume19Issue:12Pages:-
Subject AreaPhysics
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5771
Collection理论物理所科研产出_SCI论文
Corresponding AuthorMarchetti, PA , Univ Padua, Dipartimento Fis G Galilei, Ist Nazl Fis Nucl, I-35131 Padua, Italy
Recommended Citation
GB/T 7714
Marchetti, P. A.,Su, Z. B.,Yu, L.,et al. Spin-charge gauge approach to metal-insulator crossover and transport properties in high-T(c) cuprates[J]. JOURNAL OF PHYSICS-CONDENSED MATTER,2007,19(12):-.
APA Marchetti, P. A.,Su, Z. B.,Yu, L.,&Marchetti, PA , Univ Padua, Dipartimento Fis G Galilei, Ist Nazl Fis Nucl, I-35131 Padua, Italy.(2007).Spin-charge gauge approach to metal-insulator crossover and transport properties in high-T(c) cuprates.JOURNAL OF PHYSICS-CONDENSED MATTER,19(12),-.
MLA Marchetti, P. A.,et al."Spin-charge gauge approach to metal-insulator crossover and transport properties in high-T(c) cuprates".JOURNAL OF PHYSICS-CONDENSED MATTER 19.12(2007):-.
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