-Wave Pairing and the Destructive Role of Apical-Oxygen Deficiencies in under Pressure

YB Liu, JW Mei, F Ye, WQ Chen, F Yang - Physical Review Letters, 2023 - APS
Recently, the bilayer perovskite nickelate La 3 Ni 2 O 7 has been reported to show evidence
of high-temperature superconductivity (SC) under a moderate pressure of about 14 GPa. To …

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 …

Chiral Spin Density Wave and Superconductivity in the Magic-Angle-Twisted Bilayer Graphene

CC Liu, LD Zhang, WQ Chen, F Yang - Physical review letters, 2018 - APS
We model the newly synthesized magic-angle-twisted bilayer graphene superconductor with
two px, y-like Wannier orbitals on the superstructure honeycomb lattice, where the hopping …

Theoretical analysis on the possibility of superconductivity in the trilayer Ruddlesden-Popper nickelate under pressure and its experimental examination …

H Sakakibara, M Ochi, H Nagata, Y Ueki, H Sakurai… - Physical Review B, 2024 - APS
We study the possibility of superconductivity in a trilayer Ruddlesden-Popper nickelate La 4
Ni 3 O 10 under pressure both theoretically and experimentally, making comparison with the …

Unconventional Pairing Originating from the Disconnected Fermi Surfaces <?format ?>of Superconducting

K Kuroki, S Onari, R Arita, H Usui, Y Tanaka… - Physical Review Letters, 2008 - APS
For a newly discovered iron-based high T c superconductor LaFeAsO 1-x F x, we have
constructed a minimal model, where inclusion of all five Fe d bands is found to be …

Pnictogen height as a possible switch between high- nodeless and low- nodal pairings in the iron-based superconductors

K Kuroki, H Usui, S Onari, R Arita, H Aoki - Physical Review B—Condensed …, 2009 - APS
We study the effect of the lattice structure on the spin-fluctuation-mediated superconductivity
in the iron pnictides adopting the five-band models of several virtual lattice structures of …

Electronic Structure and Superconducting Gap Structure in BiS2-based Layered Superconductors

K Suzuki, H Usui, K Kuroki, T Nomoto… - Journal of the Physical …, 2019 - journals.jps.jp
BiS2-based layered superconductors have attracted considerable interest owing to the
relatively large spin–orbit coupling of bismuth 6 p orbitals, the strong coupling nature by …

Chiral Superconductivity in Bilayer Silicene

F Liu, CC Liu, K Wu, F Yang, Y Yao - Physical review letters, 2013 - APS
We investigate the structure and physical properties of the undoped bilayer silicene through
first-principles calculations and find the system is intrinsically metallic with sizable pocket …

Minimal electronic models for superconducting BiS layers

H Usui, K Suzuki, K Kuroki - Physical Review B—Condensed Matter and …, 2012 - APS
We construct minimal electronic models for a newly discovered superconductor LaO 1− x F x
BiS 2 (T c= 10.6 K) possessing BiS 2 layers based on a first-principles band calculation …

Two-orbital model explains the higher transition temperature of the single-layer Hg-cuprate superconductor compared to that of the La-cuprate superconductor

H Sakakibara, H Usui, K Kuroki, R Arita, H Aoki - Physical review letters, 2010 - APS
In order to explore the reason why the single-layered cuprates, La 2-x (Sr/Ba) x CuO 4 (T c≃
40 K) and HgBa 2 CuO 4+ δ (T c≃ 90 K) have such a significant difference in T c, we study a …