Download e-book for kindle: Ab Initio Studies on Superconductivity in Alkali-Doped by Yusuke Nomura

By Yusuke Nomura

ISBN-10: 9811014418

ISBN-13: 9789811014413

ISBN-10: 9811014426

ISBN-13: 9789811014420

This ebook covers high-transition temperature (Tc) s-wave superconductivity and the neighboring Mott insulating section in alkali-doped fullerides. the writer provides (1) a unified theoretical description of the part diagram and (2) a nonempirical calculation of Tc. For those reasons, the writer employs an extension of the DFT+DMFT (density-functional thought + dynamical mean-field theory). He constructs a practical electron–phonon-coupled Hamiltonian with a newly formulated downfolding procedure. The Hamiltonian is analyzed via the prolonged DMFT. A remarkable element of the process is that it calls for basically the crystal constitution as a priori wisdom.

Remarkably, the nonempirical calculation achieves for the 1st time a quantitative copy of the experimental section diagram together with the superconductivity and the Mott section. The calculated Tc concurs good with the experimental info, with the adaptation inside 10 okay.

The ebook presents information of the computational scheme, that may even be utilized to different superconductors and different phonon-related subject matters. the writer in actual fact describes a superconducting mechanism the place the Coulomb and electron­–phonon interactions exhibit an strange cooperation within the superconductivity due to the Jahn–Teller nature of the phonons.

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Download e-book for kindle: Ab Initio Studies on Superconductivity in Alkali-Doped by Yusuke Nomura

This booklet covers high-transition temperature (Tc) s-wave superconductivity and the neighboring Mott insulating section in alkali-doped fullerides. the writer provides (1) a unified theoretical description of the part diagram and (2) a nonempirical calculation of Tc. For those reasons, the writer employs an extension of the DFT+DMFT (density-functional conception + dynamical mean-field theory).

Extra info for Ab Initio Studies on Superconductivity in Alkali-Doped Fullerides

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