Bipolaron in the t-J model coupled to longitudinal and transverse quantum lattice vibrations

Abstract

We explore the influence of two different polarizations of quantum oxygen vibrations on the spacial symmetry of the bound magnetic bipolaron in the context of the t-J model by using exact diagonalization within a limited functional space. Quadratic electron phonon coupling to transverse polarization stabilizes d-wave symmetry. The existence of a magnetic background is essential for the formation of a d-wave bipolaron state. With increasing linear electron phonon coupling to longitudinal polarization the symmetry of a d-wave bipolaron state changes to a p-wave. Bipolaron develops a large anisotropic effective mass.

4 pages, 4 figures

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Cited by in corpus (22)

• Real-time decay of a highly excited charge carrier in the one-dimensional Holstein model
• Nonequilibrium quantum dynamics of a charge carrier doped into a Mott insulator
• Bosonic Spectral Function and The Electron-Phonon Interaction in HTSC Cuprates
• Quantum Dynamics of a Driven Correlated System Coupled to Phonons
• Finite-temperature density-matrix renormalization group method for electron-phonon systems: Thermodynamics and Holstein-polaron spectral functions
• Dissociation of a Hubbard--Holstein bipolaron driven away from equilibrium by a constant electric field
• High Temperature Superconductivity: the explanation
• Theory of High Temperature Superconductivity in Doped Polar Insulator
• Finite-temperature optical conductivity with density-matrix renormalization group methods for the Holstein polaron and bipolaron with dispersive phonons
• Nonequilibrium propagation and decay of a bound pair in driven t-J models
• Superconducting Gap, Normal State Pseudogap and Tunnelling Spectra of Bosonic and Cuprate Superconductors
• Pekar's Ansatz and the Strong Coupling Problem in Polaron Theory
• Effective approach to the Nagaoka regime of the two dimensional t-J model
• Superlight small bipolarons from realistic long-range Coulomb and Fröhlich interactions
• Two holes in a two-dimensional quantum antiferromagnet: A variational study based on entangled-plaquette states
• Two holes in the t-J model form a bound state for any nonzero J/t
• Diamagnetism of real-space pairs above Tc in hole doped cuprates
• Strong enhancement of d-wave superconducting state in the three-band Hubbard model coupled to an apical oxygen phonon
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• The Ising version of the t-J model
• paces: Parallelized Application of Co-Evolving Subspaces, a method for computing quantum dynamics on GPUs