Finite wave vector pairing in doped two-leg ladders

Abstract

We consider the effects of Umklapp processes in doped two-leg fermionic ladders. These may emerge either at special band fillings or as a result of the presence of external periodic potentials. We show that such Umklapp processes can lead to profound changes of physical properties and in particular stabilize pair-density wave phases.

28 pages, 9 figures

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• Umklapp scattering as the origin of $T$-linear resistivity in the normal state of high-$T_c$ cuprate superconductors
• Theoretical study of the spin and charge dynamics of two-leg ladders as probed by resonant inelastic x-ray scattering
• Triplet Pair-Density Wave Superconductivity on the $\pi$-flux Square Lattice
• Spinful fermionic ladders at incommensurate filling: Phase diagram, local perturbations, and ionic potentials
• Magnetic excitation spectra of strongly correlated quasi-one dimensional systems: Heisenberg versus Hubbard-like behavior
• Magnetic end-states in a strongly-interacting one-dimensional topological Kondo insulator
• Ground-state and spectral properties of an asymmetric Hubbard ladder
• Quantum phases of quadrupolar Fermi gases in coupled one-dimensional systems
• Unconventional edge states in a two-leg ladder
• Transport Properties of Stripe-Ordered High Tc Cuprates
• Correlations and confinement of excitations in an asymmetric Hubbard ladder
• Orbital phases of fermions in an asymmetric optical ladder
• Ladder-like optical conductivity in the spin-fermion model
• Topological quantum phase transition in strongly correlated Kondo insulators in 1D
• Terminable Transitions in a Topological Fermionic Ladder
• Competing superconducting instabilities in the one-dimensional p-band degenerate cold fermionic system