Phenomenological emergent dark energy in the light of DESI Data Release 1

A Hernández-Almada, ML Mendoza-Martínez… - Physics of the Dark …, 2024 - Elsevier
This manuscript revisits the phenomenological emergent dark energy model (PEDE) by
confronting it with recent cosmological data from early and late times. In particular we …

Pivotal Role of Intersite Hubbard Interactions in Fe-Doped α-MnO2

R Mahajan, A Kashyap, I Timrov - The Journal of Physical …, 2022 - ACS Publications
We present a first-principles investigation of the structural, electronic, and magnetic
properties of the pristine and Fe-doped α-MnO2 using density-functional theory with …

Unraveling the effects of inter-site Hubbard interactions in spinel Li-ion cathode materials

I Timrov, M Kotiuga, N Marzari - Physical Chemistry Chemical Physics, 2023 - pubs.rsc.org
Accurate first-principles predictions of the structural, electronic, magnetic, and
electrochemical properties of cathode materials can be key in the design of novel efficient Li …

Dimensionality-driven metal to Mott insulator transition in two-dimensional 1T-TaSe2

N Tian, Z Huang, BG Jang, S Guo, YJ Yan… - National Science …, 2024 - academic.oup.com
Two-dimensional materials represent a major frontier for research into exotic many-body
quantum phenomena. In the extreme two-dimensional limit, electron-electron interaction …

Ultrafast laser processing of diamond materials: a review

T Apostolova, V Kurylo, I Gnilitskyi - Frontiers in Physics, 2021 - frontiersin.org
Diamond laser engineering is of great importance for designing devices, which find
applications in radiation sensing and quantum technologies. A review of the present state of …

Transferable empirical pseudopotenials from machine learning

R Kim, YW Son - Physical Review B, 2024 - APS
Machine learning is used to generate empirical pseudopotentials that characterize the local
screened interactions in the Kohn-Sham Hamiltonian. Our approach incorporates …

Effects of self-consistent extended Hubbard interactions and spin-orbit couplings on energy bands of semiconductors and topological insulators

W Yang, YW Son - Physical Review B, 2024 - APS
A first-principles computational method with self-consistent on-site and intersite Hubbard
functionals is able to treat local and nonlocal Coulomb interactions on an equal footing. To …

Intersite Coulomb Interactions in Charge-Ordered Systems

BG Jang, M Kim, SH Lee, W Yang, SH Jhi, YW Son - Physical Review Letters, 2023 - APS
Using ab initio approaches for extended Hubbard interactions coupled to phonons, we
reveal that the intersite Coulomb interaction plays important roles in determining various …

Extended Hubbard corrected tight-binding model for rhombohedral few-layer graphene

D Lee, W Yang, YW Son, J Jung - arXiv preprint arXiv:2403.00530, 2024 - arxiv.org
Rhombohedral multilayer graphene (RnG) featuring partially flat bands has emerged as an
important platform to probe strong Coulomb correlation effects. Theoretical consideration of …

Lattice dynamical properties of antiferromagnetic oxides calculated using self-consistent extended Hubbard functional method

W Yang, BG Jang, YW Son, SH Jhi - Journal of Physics …, 2022 - iopscience.iop.org
We study the lattice dynamics of antiferromagnetic transition-metal oxides by using self-
consistent Hubbard functionals. We calculate the ground states of the oxides with the on-site …