The Mixed State of a $\pi$-Striped Superconductor

Abstract

A model of an anti-phase modulated d-wave superconductor has been proposed to describe the decoupling between Cu-O planes in 1/8 doped La${}_{2-x}$Ba${}_x$CuO${}_4$. Unlike a uniform d-wave superconductor, this model exhibits an extended Fermi surface. Within Bogoliubov-de Gennes theory, we study the mixed state of this model and compare it to the case of a uniform d-wave superconductor. We find a periodic structure of the low-energy density of states, with a period that is proportional to $B$, corresponding to Landau levels that are a coherent mixture of particles and holes. These results are also discussed in the context of experiments which observe quantum oscillations in the cuprates, and are compared to those for models in which the Fermi surface is reconstructed due to translational symmetry breaking in the non-superconducting state and to a model of a Fermi-arc metal.

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Cited by in corpus (12)

• Theory of Intertwined Orders in High Temperature Superconductors
• Magnetic-field Induced Pair Density Wave State in the Cuprate Vortex Halo
• Pair Density Waves in Superconducting Vortex Halos
• Emergent loop current order from pair density wave superconductivity
• Quantum oscillations in a biaxial pair density wave state
• Gapless Spin Liquids: Stability and Possible Experimental Relevance
• Quantum Oscillations in a $\pi$-Striped Superconductor
• Quasi One Dimensional Pair Density Wave Superconducting State
• Suppression of superfluid stiffness near Lifshitz-point instability to finite momentum superconductivity
• Loop current order and d-wave superconductivity: some observable consequences
• Colossal transverse magnetoresistance due to nematic superconducting phase fluctuations in a copper oxide
• Nematic single-component superconductivity and loop-current order from pair-density wave instability