The cluster glass state in the two-dimensional extended t-J model

Abstract

The recent observation of an electronic cluster glass state composed of random domains with unidirectional modulation of charge density and/or spin density on Bi_{2}Sr_{2}CaCu_{2}O_{8+δ} reinvigorates the debate of existence of competing interactions and their importance in high temperature superconductivity. By using a variational approach, here we show that the presence of the cluster glass state is actually an inherent nature of the model based on the antiferromagnetic interaction (J) only, i.e. the well known t-J model. There is no need yet to introduce a competing interaction to understand the existence of the cluster glass state. The long-range pairing correlation is not much influenced by the disorder in the glass state which also has nodes and linear density of states. In the antinodal region, the spectral weight is almost completely suppressed. The modulation also produces subgap structures inside the "coherent" peaks of the local density of states.

9 pages, 5 figures, submitted to PRB

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Cited by in corpus (22)

• Stripe order in the underdoped region of the two-dimensional Hubbard model
• Competing states in the t-J model: uniform d-wave state versus stripe state
• Absence of superconductivity in the pure two-dimensional Hubbard model
• Stripes in the two-dimensional t-J model with infinite projected entangled-pair states
• Nature of Stripes in the Generalized t-J Model Applied to The Cuprate Superconductors
• Anomalies in the pseudogap phase of the cuprates: Competing ground states and the role of umklapp scattering
• Evolution of Pairing Orders between Pseudogap and Superconducting Phases of Cuprate Superconductors
• Incommensurate charge ordered states in the $t-t^{\prime }-J$ model
• Metallic and insulating stripes and their relation with superconductivity in the doped Hubbard model
• Genesis of charge orders in high temperature superconductors
• Magnetic field-enhanced spin freezing in YBa2Cu3O6.45 at the verge of the competition between superconductivity and charge order
• Mechanism of formation of half-doped stripes in underdoped cuprates
• Competing orders in the Hofstadter t-J model
• Impurity Potential Renormalization by Strong Electron Correlation
• iPEPS study of spin symmetry in the doped $t$-$J$ model
• Supersolid phases of a doped valence-bond quantum antiferromagnet: Evidence for a coexisting superconducting order parameter
• Competition of spatially inhomogeneous states in antiferromagnetic Hubbard model
• Field-induced Bose-Einstein condensation and supersolid in the two-dimensional Kondo necklace
• Fractional charge and emergent mass hierarchy in diagonal two-leg t-J cylinders
• Grand-canonical variational approach for the t-J model
• Low-lying quasiparticle excitations in strongly-correlated superconductors: An ansatz from BCS quasiparticle excitations?
• Variational Monte Carlo study of spin dynamics in underdoped cuprates