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EnglishWe present a first-principles study of the electron-phonon interaction and the prediction of the superconducting critical temperature in molecular metallic hydrogen. Our study is able to single out the features which drive the system towards superconductivity: mainly, a rich and complex Fermi surface and strongly coupled phonon modes driving the intra- or intermolecular charge transfer. We demonstrate that in this simple system, a very high superconducting critical temperature can be reached via electron-phonon and Coulomb electron-electron interactions.
http://hdl.handle.net/11697/9450| Titolo: | Ab initio description of high-temperature superconductivity in dense molecular hydrogen |
| Autori interni: | PROFETA, Gianni CONTINENZA, Alessandra |
| Data di pubblicazione: | 2008 |
| Rivista: | PHYSICAL REVIEW LETTERS |
| Abstract: | We present a first-principles study of the electron-phonon interaction and the prediction of the superconducting critical temperature in molecular metallic hydrogen. Our study is able to single out the features which drive the system towards superconductivity: mainly, a rich and complex Fermi surface and strongly coupled phonon modes driving the intra- or intermolecular charge transfer. We demonstrate that in this simple system, a very high superconducting critical temperature can be reached via electron-phonon and Coulomb electron-electron interactions. |
| Handle: | http://hdl.handle.net/11697/9450 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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