Striped superconductors in the extended Hubbard model

Abstract

We present a minimal model of a doped Mott insulator that simultaneously supports antiferromagnetic stripes and d-wave superconductivity. We explore the implications for the global phase diagram of the superconducting cuprates. At the unrestricted mean-field level, the various phases of the cuprates, including weak and strong pseudogap phases, and two different types of superconductivity in the underdoped and the overdoped regimes, find a natural interpretation. We argue that on the underdoped side, the superconductor is intrinsically inhomogeneous -- striped coexistence of of superconductivity and magnetism -- and global phase coherence is achieved through Josephson-like coupling of the superconducting stripes. On the overdoped side, the state is overall homogeneous and the superconductivity is of the classical BCS type.

arXiv comment5 pages, 3 eps figures. Effect of t' on stripe filling + new references are added

References in corpus (9)

• Electronic Liquid Crystal Phases of a Doped Mott Insulator
• Coexistence of, and Competition between, Superconductivity and Charge-Stripe Order in La(1.6-x)Nd(0.4)Sr(x)CuO(4)
• Observation of New Incommensurate Magnetic Correlations at the Lower Critical Concentration for Superconductivity (x=0.05) in La(2-x)Sr(x)CuO4
• Competition Between Stripes and Pairing in a t-t'-J Model
• Charge ordering and long-range interactions in layered transition metal oxides
• Pairing Correlations on t-U-J Ladders
• Stripe structure, spectral feature and soliton gap in high Tc cuprates
• Competing Quantum Orderings in Cuprate Superconductors: A Minimal Model
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Cited by in corpus (12)

• Lattice symmetry breaking in cuprate superconductors: Stripes, nematics, and superconductivity
• Mechanism of High Temperature Superconductivity in a striped Hubbard Model
• The Full Mottness
• Fidelity Study of Superconductivity in Extended Hubbard Models
• Evidence for Fermi surface reconstruction in the static stripe phase of La${}_{1.8-x}$Eu${}_{0.2}$Sr${}_x$CuO${}_4$, $x=1/8$
• U-J Synergy Effect for the High Tc Superconductors
• Superconducting Gap Modulation in Weak Stripe States
• Spectral and optical properties in the antiphase stripe phase of the cuprate superconductors
• An exact solution to the Extended Hubbard Model in 2D for finite size system
• The temperature dependence of the local tunnelling conductance in cuprate superconductors with competing AF order
• Off-site interaction effect in the Extended Hubbard Model with SCRPA method
• Structural compliance, misfit strain and stripe nanostructures in cuprate superconductors