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Zero-field superconducting diode effect in small-twist-angle trilayer graphene
Jiang-Xiazi Lin, Phum Siriviboon, Harley D. Scammell +7
The critical current of a superconductor can be different for opposite directions of current flow when both time-reversal and inversion symmetry are broken. %When time-reversal and…
A new flavor of correlation and superconductivity in small twist-angle trilayer graphene
Phum Siriviboon, Jiang-Xiazi Lin, Xiaoxue Liu +8
When layers of graphene are rotationally misaligned by the magic angle, the moiré superlattice features extremely flat bands. Due to the enhanced density of states, the Coulomb int…
Manipulation of Exciton Dynamics in Single-Layer WSe2 Using a Toroidal Dielectric Metasurface
Long Yuan, Jeeyoon Jeong, Kevin Wen Chi Kwock +9
Recent advances in emerging atomically thin transition metal dichalcogenide semiconductors with strong light-matter interactions and tunable optical properties provide novel approa…
Bilayer WSe as a natural platform for interlayer exciton condensates in the strong coupling limit
Qianhui Shi, En-Min Shih, Daniel Rhodes +8
Exciton condensates (EC) are macroscopic coherent states arising from condensation of electron-hole pairs. Bilayer heterostructures, consisting of two-dimensional electron and hole…
Tunable exciton-optomechanical coupling in suspended monolayer MoSe2
Hongchao Xie, Shengwei Jiang, Daniel A. Rhodes +3
The strong excitonic effect in monolayer transition metal dichalcogenide (TMD) semiconductors has enabled many fascinating light-matter interaction phenomena. Examples include stro…
Evidence of high-temperature exciton condensation in 2D atomic double layers
Zefang Wang, Daniel A. Rhodes, Kenji Watanabe +4
A Bose-Einstein condensate is the ground state of a dilute gas of bosons, such as atoms cooled to temperatures close to absolute zero. With much smaller mass, excitons (bound elect…
Quantum Criticality in Twisted Transition Metal Dichalcogenides
Augusto Ghiotto, En-Min Shih, Giancarlo S. S. G. Pereira +10
In moiré heterostructures, gate-tunable insulating phases driven by electronic correlations have been recently discovered. Here, we use transport measurements to characterize the g…
Spin-orbit driven ferromagnetism at half moiré filling in magic-angle twisted bilayer graphene
Jiang-Xiazi Lin, Ya-Hui Zhang, Erin Morissette +7
Strong electron correlation and spin-orbit coupling (SOC) provide two non-trivial threads to condensed matter physics. When these two strands of physics come together, a plethora o…
Optically Facet-Resolved Reaction Anisotropy in Two-Dimensional Transition Metal Dichalcogenides
Myeongin Song, Haneul Kang, Dan Rhodes +3
Quantifying anisotropy in the chemical reactions of mesoscopic crystals has mostly resorted on the combination of electron microscopy and diffraction. In this work, we established…