422 citations · 2.1k across the 21 of their papers we have counts for
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hep-th2008★ 343 cited
A Non-Fermi Liquid from a Charged Black Hole; A Critical Fermi Ball
Sung-Sik Lee
Using the AdS/CFT correspondence, we calculate a fermionic spectral function in a 2+1 dimensional non-relativistic quantum field theory which is dual to a gravitational theory in t…
cond-mat.str-el2008★ 99 cited
Stability of the U(1) spin liquid with spinon Fermi surface in 2+1 dimensions
Sung-Sik Lee
We study the stability of the 2+1 dimensional U(1) spin liquid state against proliferation of instantons in the presence of spinon Fermi surface. By mapping the spinon Fermi surfac…
cond-mat.str-el2008★ 50 cited
A Fractionalized Quantum Spin Hall Effect
Michael W. Young, Sung-Sik Lee, Catherine Kallin
Effects of electron correlations on a two dimensional quantum spin Hall (QSH) system are studied. We examine possible phases of a generalized Hubbard model on a bilayer honeycomb l…