187 citations · 800 across the 20 of their papers we have counts for
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cond-mat.mes-hall2018★ 13 cited
Excitons without effective mass: biased bilayer graphene
Pengke Li, Ian Appelbaum
Understanding the dynamics of excitons in two dimensional semiconductors requires a theory that incorporates the essential physics distinct from their three-dimensional counterpart…
cond-mat.mtrl-sci2018★ 10 cited
Kramers' revenge
Pengke Li, Ian Appelbaum
The combination of space inversion and time reversal symmetries result in doubly-degenerate Bloch states with opposite spin. Many lattices with these symmetries can be constructed…