487 citations
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8 papers · 1 filter
Random projections beyond zero overlap
Timothy L. H. Wee, Sekhar Tatikonda
A random vector whose norm and overlap (inner product with an independent copy) concentrates is shown to have random low-dimensional projections that are approximately random Gauss…
Non-monotonic temperature dependence of electron viscosity and crossover to high-temperature universal viscous fluid in monolayer and bilayer graphene
Indra Yudhistira, Ramal Afrose, Shaffique Adam
Electrons in quantum matter behave like a fluid when the quantum-mechanical carrier-carrier scattering dominates over other relaxation mechanisms. By combining a microscopic treatm…
Spectral functions of the honeycomb lattice with both the Hubbard and long-range Coulomb Interactions
Ho-Kin Tang, Indra Yudhistira, Udvas Chattopadhyay +4
The absence of screening of the non-local Coulomb interaction in Dirac systems at charge neutrality leads to the breakdown of the Fermi liquid and divergence of the Fermi velocity.…
Theoretical determination of the effect of a screening gate on plasmon-induced superconductivity in twisted bilayer graphene
Liangtao Peng, Indra Yudhistira, Giovanni Vignale +1
The microscopic pairing mechanism for superconductivity in magic-angle twisted bilayer graphene remains an open question. Recent experimental studies seem to rule out a purely elec…
Topological Flat Bands in Graphene Super-moiré Lattices
Mohammed M. Al Ezzi, Junxiong Hu, Ariando +2
Moiré-pattern based potential engineering has become an important way to explore exotic physics in a variety of two-dimensional condensed matter systems. While these potentials hav…
Extended magic phase in twisted graphene multilayers
D. C. W. Foo, Z. Zhan, Mohammed M. Al Ezzi +3
Theoretical and experimental studies have verified the existence of ``magic angles'' in twisted bilayer graphene, where the twist between layers gives rise to flat bands and conseq…