H. Electronic structure of single-twist trilayer graphene. Preprint at https://arxiv.org/abs/1907.12338 (2019). Oh, M. et al. Evidence for unconventional superconductivity in twisted bilayer graphene. Nature 600, 240–245 (2021). Article CAS ADS PubMed Google Scholar Carr, S. et al. ...
Superconductivity has been observed in moiré systems such as twisted bilayer graphene, which host flat, dispersionless electronic bands. In parallel, theory work has discovered that superconductivity and superfluidity of flat-band systems can be made po
应物质学院光子科学与凝聚态物理研究部刘健鹏教授邀请,北京大学宋志达教授将于3月11日来校进行题为“Molecular Pairing in Twisted Bilayer Graphene Superconductivity”的学术报告,邀请感兴趣的老师、同学参加。 日期:2024年3月11日,星期一 时间:16:00-...
Twisted bilayer graphene is a two-dimensional moiré superlattice material formed by simple twisting of two stacked layers of graphene. This material exhibits a series of exotic physical properties dictated by the superlattice structure, such as superconducting, magnetic, and localized states. These prope...
Our density functional theory calculations indicate that the graphene bilayer exhibits substantial out-of-plane corrugations that form a coloring-triangular structure in each moiré supercell under gradient in-plane strains. Such structure leads to a set of kagome bands, namely one flat-band and, at...
We present a theory of phonon-mediated superconductivity in near magic angle twisted bilayer graphene. Using a microscopic model for phonon coupling to moire band electrons, we find that phonons generate attractive interactions in both s- and d-wave pairing channels and that the attraction is strong...
When a single layer of graphene is stacked together to form bilayer graphene, just like vdWHs, especially when the lattice of the upper and lower layers is twisted, the superlattice is formed. The novel electronic...
Pressure-induced metal-insulator transition in twisted bilayer graphene We also predict the optimal condition for Wigner crystallization to be around 1.5 GPa. Consequently, TBLG provides a new platform for the exploration of Wigner physics and its relationship with superconductivity... B Padhi,PW Phill...
We present a theory of phonon-mediated superconductivity in near magic angle twisted bilayer graphene. Using a microscopic model for phonon coupling to moire band electrons, we find that phonons generate attractive interactions in both s... F Wu,AH Macdonald,I Martin - 《Physical Review Letters》...
The computer code used for the dataset processing and strain analysis has been made publicly available at https://github.com/bediakolab/StrainFieldsInTwistedBilayerGraphene. References Balents, L., Dean, C. R., Efetov, D. K. & Young, A. F. Superconductivity and strong correlations in moiré...