Spin density wave and pseudogap in HTSC cuprates
L. S. Mazov (Institute for Physics of Microstructures, RAS)
TL;DR
This paper presents evidence that the pseudogap in high-temperature superconducting cuprates is related to spin density wave order, showing its symmetry and magnetic phase diagram, and discusses its impact on vortex structures.
Contribution
It provides experimental evidence linking the pseudogap to SDW order and analyzes its effects on vortex behavior in HTSC cuprates.
Findings
SDW nature of pseudogap confirmed through resistive and ARPES measurements
The magnetic phase diagram for HTSC cuprates is constructed
SDW order influences vortex structure in magnetic fields
Abstract
The evidence for the spin density wave (SDW) nature of the pseudogap in HTSC cuprates is presented from resistive and direct gap measurements (ARPES, tunneling experiments, etc.). Its d-wave symmetry mimics the symmetry of the order parameter measured in the SC state. The magnetic phase diagram for HTSC cuprates is formed. The possible influence of an additional (SDW) order parameter on the vortex structure in the applied magnetic field is analysed. The behavior is discussed in terms of itinerant electron systems with interplay between superconductivity and magnetism.
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Taxonomy
TopicsPhysics of Superconductivity and Magnetism · Quantum and electron transport phenomena · Rare-earth and actinide compounds