Electron-Phonon Coupling in Low-Dimensional Materials
Keywords:
Electron-phonon interaction, low-dimensional materials, quantum confinement, phonon dispersionAbstract
Electron-phonon coupling (EPC) plays a central role in determining the transport, optical, and superconducting properties of low-dimensional materials, including graphene, transition metal dichalcogenides (TMDs), and quantum nanowires. Reduced dimensionality strongly amplifies many-body interactions, leading to enhanced scattering rates, unconventional superconductivity, and novel quantum phases. This paper surveys the theoretical foundations of EPC in 1D and 2D materials, focusing on quantum confinement, phonon dispersion modifications, and renormalization of electronic bands. We further discuss applications in nanoelectronics, thermoelectrics, and quantum devices. One
outline section includes two graphs illustrating EPC strength variation and phonon dispersion changes. The study concludes with modern challenges and future prospects in engineering EPC for next generation technologies.
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