10.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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8 papers · 2 filters
Fermi-Edge Superfluorescence from a Quantum-Degenerate Electron-Hole Gas
J. -H. Kim, G. T. Noe, S. A. McGill +4
We report on the observation of spontaneous bursts of coherent radiation from a quantum-degenerate gas of nonequilibrium electron-hole pairs in semiconductor quantum wells. Unlike…
Cyclotron resonance of single valley Dirac fermions in gapless HgTe quantum well
J. Ludwig, Yu. B. Vasilyev, N. N. Mikhailov +4
We report on Landau level spectroscopy studies of two HgTe quantum wells (QWs) near or at the critical well thickness, where the band gap vanishes. In magnetic fields up to =16T…
Strain-induced time-reversal odd superconductivity in graphene
Bitan Roy, Vladimir Juricic
Time-reversal symmetry breaking superconductors are exotic phases of matter with fascinating properties, which are, however, encountered rather sparsely. Here we identify the possi…
Bilayer graphene with parallel magnetic field and twisting: Phases and phase transitions in a highly tunable Dirac system
Bitan Roy, Kun Yang
The effective theory for bilayer graphene (BLG), subject to parallel/in-plane magnetic fields, is derived. With a sizable magnetic field the trigonal warping becomes irrelevant, an…
Dirac Fermions in Solids - from High Tc cuprates and Graphene to Topological Insulators and Weyl Semimetals
Oskar Vafek, Ashvin Vishwanath
Understanding Dirac-like Fermions has become an imperative in modern condensed matter sciences: all across its research frontier, from graphene to high T superconductors to the…
Topological insulators in strained graphene at weak interaction
Bitan Roy, Igor F. Herbut
The nature of the electronic ground states in strained undoped graphene at weak interaction between electrons is discussed. After providing a lattice realization of the strain-indu…
index for gapless fermionic modes in the vortex core of three dimensional paired Dirac fermions
Bitan Roy, Pallab Goswami
We consider the gapless modes along the vortex line of the fully gapped, momentum independent paired states of three-dimensional Dirac fermions. For this, we require the solution o…
Intrinsic carrier mobility of multi-layered MoS field-effect transistors on SiO
N. R. Pradhan, D. Rhodes, Q. Zhang +4
By fabricating and characterizing multi-layered MoS-based field-effect transistors (FETs) in a four terminal configuration, we demonstrate that the two terminal-configurations…