Antiferromagnetism and hole pair checkerboard in the vortex state of high Tc superconductors

TL;DR

This paper proposes a microscopic model for the vortex phase in high-Tc superconductors, where hole pairs form a checkerboard pattern in an antiferromagnetic background, aligning with recent STM experimental observations.

Contribution

It introduces a novel microscopic state describing hole pair checkerboard formation in the vortex phase of high-Tc superconductors, connecting theory with experiments.

Findings

Hole pairs form a checkerboard pattern in the vortex state.

The model aligns with recent STM experimental results.

The vortex core exhibits localized hole pairs in an antiferromagnetic background.

Abstract

We propose a microscopic state for the vortex phase of BSCO superconductors. Around the vortex core or above H_{c2}, the d wave hole pairs form a checkerboard localized in the commensurate antiferromagnetic background. We discuss this theory in connection with recent STM experiments.