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A Phase Diagram for Quantum Hall Bilayers with Strong Inter-layer Correlation
Biswajit Karmakar, Vittorio Pellegrini, Aron Pinczuk +2
Inter-layer excitonic coherence in a quantum Hall bilayer with negligible tunneling is monitored by measurements of low-lying spin excitations. At new quasiparticle excita…
Engineering artificial graphene in a two-dimensional electron gas
M. Gibertini, A. Singha, V. Pellegrini +5
At low energy, electrons in doped graphene sheets behave like massless Dirac fermions with a Fermi velocity which does not depend on carrier density. Here we show that modulating a…
A molecular state of correlated electrons in a quantum dot
Sokratis Kalliakos, Massimo Rontani, Vittorio Pellegrini +6
Correlation among particles in finite quantum systems leads to complex behaviour and novel states of matter. One remarkable example is predicted to occur in a semiconductor quantum…