Antiferromagnetism and Hole Pair Checkerboard in the Vortex State of High Tc Superconductors

Han-Dong Chen (1) , Jian-Ping Hu (1) , Sylvain Capponi (2) , Enrico Arrigoni (1, 3) , Shou-Cheng Zhang (1)

1 Physics Department [Stanford]
2 GPT-LPQ - Groupe de Physique Théorique (LPQ)
3 Institut für Theoretische Physik

We propose a microscopic state for the vortex phase of BSCO superconductors. Around the vortex core or above Hc2, the d wave hole pairs form a checkerboard localized in the antiferromagnetic background. We discuss this theory in connection with recent STM experiments.

Domaines: Electrons fortement corrélés [cond-mat.str-el]

Han-Dong Chen, Jian-Ping Hu, Sylvain Capponi, Enrico Arrigoni, Shou-Cheng Zhang. Antiferromagnetism and Hole Pair Checkerboard in the Vortex State of High Tc Superconductors. Physical Review Letters, 2002, 89, pp.137004. ⟨10.1103/PhysRevLett.89.137004⟩. ⟨hal-00003144⟩