41 citations · 155 across the 9 of their papers we have counts for
Showing 2018 · cond-mat.quant-gasShow all
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cond-mat.quant-gas2018
Even-Odd effect of an Spin-S impurity coupled to a quantum critical system
Kun Chen, Yashar Komijani
We discuss an even-odd effect for an impurity with an -fold degenerate internal states immersed in a two-dimensional superfluid--Mott-insulator quantum critical bath, which is d…
cond-mat.quant-gas2018
The halon: a quasiparticle featuring critical charge fractionalization
Kun Chen, Yuan Huang, Youjin Deng +1
The halon is a special critical state of an impurity in a quantum-critical environment. The hallmark of the halon physics is that a well-defined integer charge gets fractionalized…
cond-mat.quant-gas2018
Trapping Collapse
Kun Chen, Nikolay V. Prokof'ev, Boris V. Svistunov
Weak potential wells (or traps) in one and two dimensions, and the potential wells slightly deeper than the critical ones in three dimensions, feature shallow bound states with loc…