Paramagnetic Meissner effect and related dynamical phenomena
Mai Suan Li
TL;DR
This review explores the paramagnetic Meissner effect in high-temperature superconductors, discussing mechanisms, phases, and dynamical phenomena like AC susceptibility and critical current enhancement.
Contribution
It provides a comprehensive overview of mechanisms and dynamical phenomena related to the paramagnetic Meissner effect in high-Tc superconductors.
Findings
Identification of d-wave and flux compensation mechanisms
Potential occurrence of chiral glass phase in granular superconductors
Observation of dynamical phenomena such as AC susceptibility and critical current enhancement
Abstract
The present review is given on the paramagnetic Meissner effect observed in conventional and ceramic high-Tc superconductors. We discuss two mechanisms leading to this phenomenon: the d-wave and the flux compensation. It is shown that the chiral glass phase may occur in granular superconductors possessing d-wave pairing symmetry. Dynamical phenomena such as AC susceptibility, compensation effect, anomalous microwave absorption, aging effect, AC resistivity and enhancement of critical current due to the external electric field are considered.
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