A Comprehensive Theoretical Study of High-Temperature Superconductors: Mechanisms, Materials, and Future Directions
Volume: 14 - Issue: 03 - Date: 31-03-2025
Approved ISSN: 2278-1412
Published Id: IJAECESTU469 | Page No.: 108-111
Author: Dr. Deepa Khatik
Co- Author:
Abstract:-High-temperature superconductors (HTS) represent a remarkable class of materials capable of exhibiting zero electrical resistance and perfect diamagnetism at temperatures significantly higher than conventional superconductors. Since the discovery of cuprate superconductors in 1986, extensive theoretical and experimental efforts have been undertaken to understand their unconventional pairing mechanisms, complex phase diagrams, and strong electron correlations. This paper presents a comprehensive theoretical study of HTS, supported by a detailed literature survey of fifteen influential research works. Various theoretical frameworks—including BCS theory, Hubbard and t–J models, spin fluctuation theory, and phonon-mediated interactions—are explored. The study further examines emerging hydride-based superconductors, iron-based compounds, and heavy-fermion systems. Finally, the paper identifies open challenges and provides future research directions aimed at achieving stable high-temperature or even roomtemperature superconductivity.
Key Words:-High-Temperature Superconductors, Cuprates, Iron-Based Superconductors, Hubbard Model, T–J Model, Electron Correlation, Spin Fluctuations, Hydride Superconductors, Pairing Mechanism, Pseudogap, Quantum Criticality
Area:-Engineering
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