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8 papers · 2 filters
Observation of edge magnetoplasmon squeezing in a quantum Hall conductor
H. Bartolomei, R. Bisognin, H. Kamata +10
Squeezing of the quadratures of the electromagnetic field has been extensively studied in optics and microwaves. However, previous works focused on the generation of squeezed state…
Supermoiré low-energy effective theory of twisted trilayer graphene
Yuncheng Mao, Daniele Guerci, Christophe Mora
Stacking three monolayers of graphene with a twist generally produces two moiré patterns. A moiré of moiré structure then emerges at larger distance where the three layers periodic…
parafermion in the double charge-Kondo model
D. B. Karki, Edouard Boulat, Winston Pouse +3
Quantum impurity models with frustrated Kondo interactions can support quantum critical points with fractionalized excitations. Recent experiments [arXiv:2108.12691] on a circuit c…
Strain Disorder and Gapless Intervalley Coherent Phase in Twisted Bilayer Graphene
Gal Shavit, Kryštof Kolář, Christophe Mora +2
Correlated insulators are frequently observed in magic angle twisted bilayer graphene at even fillings of electrons or holes per moiré unit-cell. Whereas theory predicts these insu…
Anderson's theorem for correlated insulating states in twisted bilayer graphene
Kryštof Kolář, Gal Shavit, Christophe Mora +2
The emergence of correlated insulating phases in magic-angle twisted bilayer graphene exhibits strong sample dependence. Here, we derive an Anderson theorem governing the robustnes…
Negative Differential Resistance in Spin-Crossover Molecular Devices
Dongzhe Li, Yongfeng Tong, Kaushik Bairagi +10
We demonstrate, based on low-temperature scanning tunneling microscopy (STM) and spectroscopy, a pronounced negative differential resistance (NDR) in spin-crossover (SCO) molecular…