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Comparison of structural transformations and superconductivity in compressed Sulfur and Selenium
Sven P. Rudin, Amy Y. Liu, J. K. Freericks +1
Density-functional calculations are presented for high-pressure structural phases of S and Se. The structural phase diagrams, phonon spectra, electron-phonon coupling, and supercon…
Raman scattering near a quantum critical point
J. K. Freericks, T. P. Devereaux
Electronic Raman scattering experiments in a wide variety of materials (ranging from mixed-valence materials to Kondo insulators to high-temperature superconductors) show anomalous…
Dynamical Charge Susceptibility of the Spinless Falicov-Kimball Model
J. K. Freericks, P. Miller
An exact solution is presented for the frequency-dependent charge susceptibility of the spinless Falicov-Kimball model by using dynamical mean-field theory. We develop a nontrivial…
Microscopic self-consistent theory of Josephson junctions including dynamical electron correlations
P. Miller, J. K. Freericks
We formulate a fully self-consistent, microscopic model to study the retardation and correlation effects of the barrier within a Josephson junction. The junction is described by a…