Inhomogeneity, Dynamical Symmetry, and Complexity in High-Temperature Superconductors: Reconciling a Universal Phase Diagram with Rich Local Disorder

TL;DR

This paper presents a model for high-temperature superconductors that balances antiferromagnetic and superconducting states, explaining inhomogeneity, pseudogaps, and emergent phenomena within a unified framework.

Contribution

It introduces a model that captures the interplay of antiferromagnetism and d-wave superconductivity, explaining complex behaviors and inhomogeneity in cuprates.

Findings

Reconciles universal phase diagram with local disorder

Links inhomogeneity to pseudogaps and emergent phenomena

Provides a framework to distinguish essential mechanisms

Abstract

A model for high-temperature superconductors incorporating antiferromagnetism, d-wave superconductivity, and no double lattice-site occupancy can give energy surfaces exquisitely balanced between antiferromagnetic and superconducting order for specific ranges of doping and temperature. The resulting properties can reconcile a universal cuprate phase diagram with rich inhomogeneity, relate that inhomogeneity to pseudogaps, give a fundamental rationale for giant proximity effects and other emergent behavior, and provide an objective framework for separating essential from peripheral in the superconducting mechanism.