Quantum materials play a pivotal role in advancing the development of high-temperature superconductors (HTS), which are materials capable of superconducting at relatively higher temperatures than conventional superconductors. Understanding the relationship between quantum materials and HTS requires delving into the mechanisms that underpin superconductivity and how quantum materials help overcome some of the limitations faced by traditional superconductors.
1. Electron-Phonon Interaction:
- In conventional superconductors, superconductivity is primarily mediated by the interaction between electrons and lattice vibrations or phonons. However, this interaction is relatively weak, limiting superconductivity to extremely low temperatures, typically close to absolute zero.
2. Quantum Materials and Strong Electron-Electron Interactions:
- Quantum materials, on the other hand, often exhibit strong electron-electron interactions due to their unique electronic band structures, including the presence of highly correlated electron states.
- These strong interactions can lead to the formation of novel quantum phases, some of which are conducive to superconductivity at higher temperatures.
3. Emergence of Unconventional Superconductivity:
- Quantum materials can host what is known as unconventional ....
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