Ground states of the doped four-leg t-J ladder

Journal Article · Sun Jun 01 04:00:00 EDT 1997 · Physical Review, B: Condensed Matter

DOI:https://doi.org/10.1103/PhysRevB.55.R14701· OSTI ID:530182

White, S R ^[1]; Scalapino, D J ^[2]

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1. Department of Physics and Astronomy, University of California, Irvine, California 92697 (United States)
2. Department of Physics, University of California, Santa Barbara, California 93106 (United States)

Using density-matrix renormalization-group techniques, we have studied the ground states of the four-leg t-J ladder doped near half-filling. Depending upon J/t and the hole doping x, three characteristic types of ground states are found: (1) a state containing d{sub x{sup 2}{minus}y{sup 2}} pairs, (2) a striped charge-density wave (CDW) domain-wall state, and (3) a phase-separated regime. The CDW domain walls consist of fluctuating hole pairs and this state has significant d{sub x{sup 2}{minus}y{sup 2}} pair field correlations. {copyright} {ital 1997} {ital The American Physical Society}

• DOE Contract Number: FG03-85ER45197
• OSTI ID: 530182
• Journal Information: Physical Review, B: Condensed Matter, Journal Name: Physical Review, B: Condensed Matter Journal Issue: 22 Vol. 55; ISSN 0163-1829; ISSN PRBMDO
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
CHARGE DENSITY
DOMAIN STRUCTURE
ELECTRONIC STRUCTURE
FLUCTUATIONS
GROUND STATES
HIGH-TC SUPERCONDUCTORS
HOLES
RENORMALIZATION