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Spectral Functions of the Uniform Electron Gas via Coupled-Cluster Theory and Comparison to the and Related Approximations
James McClain, Johannes Lischner, Thomas Watson +5
We use, for the first time, ab initio coupled-cluster theory to compute the spectral function of the uniform electron gas at a Wigner-Seitz radius of . The coupled-…
Antiferromagnetism enables electron-phonon coupling in iron-based superconductors
Sinisa Coh, Marvin L. Cohen, Steven G. Louie
It is shown that a generic form of an antiferromagnetic wave function opens strong electron-phonon coupling channels in the iron-based superconductors. In the nonmagnetic state the…
Observing Atomic Collapse Resonances in Artificial Nuclei on Graphene
Yang Wang, Dillon Wong, Andrey V. Shytov +10
Relativistic quantum mechanics predicts that when the charge of a superheavy atomic nucleus surpasses a certain threshold, the resulting strong Coulomb field causes an unusual atom…
Automated construction of maximally localized Wannier functions: Optimized projection functions method
Jamal I. Mustafa, Sinisa Coh, Marvin L. Cohen +1
Maximally localized Wannier functions are widely used in electronic structure theory for analyses of bonding, electric polarization, orbital magnetization, and for interpolation. T…
Nonanalyticity, Valley Quantum Phases, and Light-like Exciton Dispersion in Monolayer TMDs: Theory and First-Principles Calculations
Diana. Y. Qiu, Ting Cao, Steven G. Louie
Exciton dispersion as a function of center-of-mass momentum, \textbf{Q}, is essential to the understanding of exciton dynamics. We use the ab-initio GW-Bethe Salpeter equation meth…
SU(4) symmetry breaking revealed by magneto-optical spectroscopy in epitaxial graphene
Liang Z. Tan, Milan Orlita, Marek Potemski +5
Refined infrared magnetotransmission experiments have been performed in magnetic fields B up to 35 T on a series of multilayer epitaxial graphene samples. Following the main optica…