Possible High Superconductivity in under High Pressure through Manifestation of a Nearly Half-Filled Bilayer Hubbard Model
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 …
superconductivity under high pressure, we theoretically revisit the possibility of …
Transfer learning from Hermitian to non-Hermitian quantum many-body physics
Identifying phase boundaries of interacting systems is one of the key steps to understanding
quantum many-body models. The development of various numerical and analytical methods …
quantum many-body models. The development of various numerical and analytical methods …
Strongly correlated superconductivity with long-range spatial fluctuations
We review recent studies for superconductivity using diagrammatic extensions of dynamical
mean field theory. These approaches take into account simultaneously both, the local …
mean field theory. These approaches take into account simultaneously both, the local …
Emergent Fano-Feshbach resonance in two-band superconductors with an incipient quasiflat band: Enhanced critical temperature evading particle-hole fluctuations
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 …
focus is toward multiband superconductivity. In T c enhancements specific to two-band …
Theoretical study of spin-fluctuation-mediated superconductivity in two-dimensional Hubbard models with an incipient flat band
T Aida, K Matsumoto, D Ogura, M Ochi, K Kuroki - Physical Review B, 2024 - APS
One promising way to enhance superconductivity is to have coexisting wide and incipient
narrow bands, where the Fermi level intersecting the wide band lies just above the narrow …
narrow bands, where the Fermi level intersecting the wide band lies just above the narrow …
Stoner ferromagnetism in a momentum-confined interacting 2D electron gas
In this work we investigate the ground state of a momentum-confined interacting 2D electron
gas, a momentum-space analog of an infinite quantum well. The study is performed by …
gas, a momentum-space analog of an infinite quantum well. The study is performed by …
Symmetry-enforced double Weyl points, multiband quantum geometry, and singular flat bands of do**-induced states at the Fermi level
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 …
features lie too far from the Fermi level and are spread over a too-large energy range …
Magnetic fluctuations and dominant superconducting pairing symmetry near the tunable Van Hove singularity
We have investigated the magnetism and pairing correlations of the triangular lattice based
on the Hubbard model using the determinant quantum Monte Carlo method and the …
on the Hubbard model using the determinant quantum Monte Carlo method and the …
Stoner ferromagnetism, correlated metal and thermoelectricity in partially flat-band materials
Recent discovery of correlated electronic phases in twisted heterostructures raised a surge
of interests in studying models and materials with flat bands where the electronic excitations …
of interests in studying models and materials with flat bands where the electronic excitations …
[PDF][PDF] Transfer learning from Hermitian to non-Hermitian quantum many-body physics
H Price, Y Chong, A Khanikaev - acris.aalto.fi
Identifying phase boundaries of interacting systems is one of the key steps to understanding
quantum many-body models. The development of various numerical and analytical methods …
quantum many-body models. The development of various numerical and analytical methods …