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Electron-phonon physics at the exascale: A hybrid MPI-GPU-OpenMP framework for scalable Wannier interpolation
Tae Yun Kim, Zhe Liu, Sabyasachi Tiwari +2
We demonstrate a highly efficient GPU implementation of the Wannier interpolation of electron-phonon matrix elements in the EPW code. Building on a systematic analysis of the compu…
High-Tc Superconductivity in Functionalized Out-of-Plane Ordered Double Transition Metal MXenes
Mohammad Keivanloo, Fateme Dinmohammad, Shashi B. Mishra +10
Two-dimensional (2D) superconductors attracted growing interest in condensed-matter physics research. In this work, we explore the superconducting properties of surface-functionali…
EPW-VASP interface for first-principles calculations of electron-phonon interactions
Danylo Radevych, Aidan Thorn, Manuel Engel +5
We present an interface between the Vienna \textit{Ab initio} Simulation Package (VASP) and the EPW software for calculating materials properties governed by electron-phonon (e-ph)…
Cubic BeB: A metastable -type conductive material from first principles
Xiao Zhang, Shashi Mishra, Elena R. Margine +1
Boron forms a wide variety of compounds with alkaline earth elements due to its unique bonding characteristics. Among these, binary compounds of Be and B display particularly rich…
Phonon-limited carrier transport in the Weyl semimetal TaAs
Zhe Liu, Shashi B. Mishra, Jae-Mo Lihm +2
Topological Weyl semimetals represent a novel class of quantum materials that exhibit remarkable properties arising from their unique electronic structure. In this work, we employ…
The Wannier Function Software Ecosystem for Materials Simulations
Antimo Marrazzo, Sophie Beck, Elena R. Margine +7
Over the last two decades, following the early developments on maximally localized Wannier functions, an ecosystem of electronic-structure simulation techniques and software packag…