59 citations · 128 across the 7 of their papers we have counts for
7 papers
Electric toroidal octupolar symmetry in pyrite FeS probed by Raman optical activity
Yuki Suganuma, Gakuto Kusuno, Hikaru Watanabe +4
We report Raman optical activity in pyrite FeS, which hosts an electric toroidal octupolar symmetry. A clear and reproducible sign reversal of the circular intensity difference…
Electron-phonon vertex correction effect in superconducting H3S
Shashi B. Mishra, Hitoshi Mori, Elena R. Margine
The Migdal-Eliashberg (ME) formalism provides a reliable framework for describing phonon-mediated superconductivity in the adiabatic regime, where the electronic Fermi energy excee…
Dual-circular Raman optical activity of axial multipolar order
Hikaru Watanabe, Rikuto Oiwa, Hitoshi Mori +1
Multipolar order, such as octupolar order, is a key concept in condensed matter physics, particularly in light of elusive hidden orders. However, its experimental identification re…
IsoME: Streamlining High-Precision Eliashberg Calculations
Eva Kogler, Dominik Spath, Roman Lucrezi +5
This paper introduces the Julia package IsoME, an easy-to-use yet accurate and robust computational tool designed to calculate superconducting properties. Multiple levels of approx…
Efficient anisotropic Migdal-Eliashberg calculations with the Intermediate Representation basis and Wannier interpolation
Hitoshi Mori, Takuya Nomoto, Ryotaro Arita +1
In this study, we combine the ab initio Migdal-Eliashberg approach with the intermediate representation for the Green's function, enabling accurate and efficient calculations of th…
Full-bandwidth anisotropic Migdal-Eliashberg theory and its application to superhydrides
Roman Lucrezi, Pedro P. Ferreira, Samad Hajinazar +4
Migdal-Eliashberg theory is one of the state-of-the-art methods for describing conventional superconductors from first principles. However, widely used implementations assume a con…
sparse-ir: optimal compression and sparse sampling of many-body propagators
Markus Wallerberger, Samuel Badr, Shintaro Hoshino +13
We introduce sparse-ir, a collection of libraries to efficiently handle imaginary-time propagators, a central object in finite-temperature quantum many-body calculations. We levera…