Néel and singlet RVB orders in the t-J model

Abstract

The Néel and the singlet RVB orders of the {\it t-J} model in a 2D square lattice are studied in the slave-boson mean-field approximation. It is shown that the Néel order parameter takes the maximum value at the finite temperature and disappear at the lower temperature for a certain range of doping. It is also shown that the Néel and the singlet RVB orders coexist at low temperature. This suggests the possibility of the coexistence of the Néel and the superconducting orders.

arXiv commentRevTeX, 8 pages, 1 postscript figure. To appear in Physica C, Volume 257, issue 384

Cited by in corpus (34)

• High-Tc Superconductivity and Antiferromagnetism in Multilayered Copper Oxides - A New Paradigm of Superconducting Mechanism -
• Renormalized mean-field theory of the neutron scattering in cuprate superconductors
• Genuine Phase Diagram of Homogeneously Doped CuO2 Plane in High-Tc Cuprate Superconductors
• Electronic states around a vortex core in high-Tc superconductors based on the t-J model
• Backward Scattering and Coexistent State in Two-Dimensional Electron System
• Absence of Coexistence of Superconductivity and Antiferromagnetism of the Hole-Doped Two-Dimensional Extended $t-J$ Model
• Coexistence of antiferromagnetism and superconductivity within t-J model with strong correlations and nonzero spin polarization
• Possible Ordered States in the 2D Extended Hubbard Model
• Uniform Mixing of Antiferromagnetism and High-Tc Superconductivity in Electron-doped Layers in Four-layered Ba2Ca3Cu4O8F2 : A New Phenomenon in an Electron Underdoped RegimePhenomenon in an Electron Underdoped Regime
• High-T_c Superconductivity with T_c = 52 K under Antiferromagnetic Order in Five-layered Cuprate Ba_2Ca_4Cu_5O_10(F,O)_2 with T_N = 175 K: 19F- and Cu-NMR Studies
• Antiferromagnetic phase transition in four-layered high-T_c superconductors Ba_2Ca_3Cu_4O_8(F_yO_{1-y})_2 with T_c=55-102 K: Cu- and F-NMR studies
• Uniform mixing of antiferromagnetism and high-T_c superconductivity in multilayered copper oxides Ba_2Ca_{n-1}Cu_nO_{2n}F_2 with apical fluorines (n=2,3,4): Cu-NMR/NQR and F-NMR
• Study of gossamer superconductivity and antiferromagnetism in the t-J-U model
• High-Tc superconductivity and antiferromagnetism in multilayer cuprates: 63Cu- and 19F-NMR on five-layer Ba2Ca4Cu5O10(F,O)2
• Disorder-driven quantum phase transition from antiferromagnetic metal to insulating state in multilayered high-Tc cuprate (Cu,C)Ba2Ca4Cu5Oy
• Magnetic polarization induced by nonmagnetic impurities in high Tc cuprates
• Multilayer cuprate superconductors as possible systems described by resonating-valence-bond and antiferromagnetic orders
• Superconductivity in the Three-Fold Charge-Ordered Metal of the Triangular-Lattice Extended Hubbard Model
• Auxiliary-Fermion Approach to Critical Fluctuations in the 2D Quantum AF Heisenberg Model
• Novel Superconducting Phases in Copper Oxides and Iron-oxypnictides: NMR Studies
• Ginzburg-Landau Equations for Coexistent States of Superconductivity and Antiferromagnetism in t-J model
• Superconductivity in the Extended Hubbard Model with More Than Nearest-Neighbour Contributions
• Antiferromagnetism in two-dimensional t-J model: pseudospin representation
• Flux phase as possible time-reversal symmetry breaking surface states of high-$T_C$ cuprate superconductors
• The temperature dependence of the local tunnelling conductance in cuprate superconductors with competing AF order
• Induced local spin-singlet amplitude and pseudogap in high $T_c$ cuprates
• Enhancement of antiferromagnetic correlations below superconducting transition temperature in bilayer superconductors
• Disorder Effects on Competition between Antiferromagnetism and Superconductivity in Cuprate Superconductors through the Enhancement in Charge Susceptibility
• Theory of Antiferromagnetic Order in High-Tc Oxides: An Approach Based on Ginzburg-Landau Expansion
• Coexistence of d_{x^2-y^2}-Wave Superconductivity and Antiferromagnetism Induced by a Staggered Field
• Particle-hole symmetry and transport properties of the flux state in underdoped cuprates
• Broad line-width of antiferromagnetic spinwave due to electrons correlation
• Insulator-metal transition and quasi-flat-band of Shastry-Sutherland lattice
• Anomaly of longitudinal spin susceptibility at superconducting instability inside a magnetic phase