Possible High Superconductivity in under High Pressure through Manifestation of a Nearly Half-Filled Bilayer Hubbard Model

H Sakakibara, N Kitamine, M Ochi, K Kuroki - Physical Review Letters, 2024 - APS
Inspired by a recent experiment showing that La 3 Ni 2 O 7 exhibits high T c
superconductivity under high pressure, we theoretically revisit the possibility of …

Electronic correlations and superconducting instability in under high pressure

F Lechermann, J Gondolf, S Bötzel, IM Eremin - Physical Review B, 2023 - APS
Motivated by the report of superconductivity in bilayer La 3 Ni 2 O 7 at high pressure, we
examine the interacting electrons in this system. First-principles many-body theory is utilized …

Optimizing superconductivity: from cuprates via nickelates to palladates

M Kitatani, L Si, P Worm, JM Tomczak, R Arita… - Physical Review Letters, 2023 - APS
Motivated by cuprate and nickelate superconductors, we perform a comprehensive study of
the superconducting instability in the single-band Hubbard model. We calculate the …

Nodeless kagome superconductivity in

C Mielke III, Y Qin, JX Yin, H Nakamura, D Das… - Physical Review …, 2021 - APS
We report muon spin rotation (μ SR) experiments together with first-principles calculations
on microscopic properties of superconductivity in the kagome superconductor LaRu 3 Si 2 …

Theoretical possibilities for flat band superconductivity

H Aoki - Journal of Superconductivity and Novel Magnetism, 2020 - Springer
One novel arena for designing superconductors with high TC is the flat band system. A basic
idea is that flat bands, arising from quantum mechanical interference, give unique …

Flat-band superconductivity for tight-binding electrons on a square-octagon lattice

LHCM Nunes, CM Smith - Physical Review B, 2020 - APS
The discovery of superconductivity in twisted bilayer graphene has triggered a resurgence of
interest in flat-band superconductivity. Here, we investigate the square-octagon lattice …

Theoretical designing of multiband Nickelate and Palladate superconductors with configuration

N Kitamine, M Ochi, K Kuroki - ar**-induced states at the Fermi level
MM Hirschmann, J Mitscherling - Physical Review Materials, 2024 - APS
Two common difficulties in the design of topological quantum materials are that the desired
features lie too far from the Fermi level and are spread over a too-large energy range …

Emergent Fano-Feshbach resonance in two-band superconductors with an incipient quasiflat band: Enhanced critical temperature evading particle-hole fluctuations

H Tajima, H Aoki, A Perali, A Bianconi - Physical Review B, 2024 - APS
In superconductivity, a surge of interests in enhancing T c is ever mounting, where a recent
focus is toward multiband superconductivity. In T c enhancements specific to two-band …