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- City University of New YorkUS288 papers
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23 papers · 1 filter
Effects of nonlocal plasmons in gapped graphene micro-ribbon array and 2DEG on near-field electromagnetic response in the deep-subwavelength regime
Danhong Huang, Godfrey Gumbs, Oleksiy Roslyak
A self-consistent theory involving Maxwell equations and a density-matrix linear-response theory is solved for an electromagnetically-coupled doped graphene micro-ribbon array and…
Volume-limited radio survey of ultracool dwarfs
A. Antonova, G. Hallinan, J. G. Doyle +5
We conducted a volume-limited survey at 4.9 GHz of 32 nearby ultracool dwarfs with spectral types covering the range M7 -- T8. A statistical analysis was performed on the combined…
Localization and homological stability of configuration spaces
Martin Bendersky, Jeremy Miller
In [Chu12], Church used representation stability to prove that the space of configurations of distinct unordered points in a closed manifold exhibit rational homological stability.…
Gap-modulated doping effects on indirect exchange interaction between magnetic impurities in graphene
Oleksiy Roslyak, Godfrey Gumbs, Danhong Huang
A dilute distribution of magnetic impurities is assumed to be present in doped graphene. We calculate the interaction energy between two magnetic impurities which are coupled via t…
Universal Dynamical Steps in the Exact Time-Dependent Exchange-Correlation Potential
Peter Elliott, Johanna I. Fuks, Angel Rubio +1
We show that the exact exchange-correlation potential of time-dependent density-functional theory displays dynamical step structures that have a spatially non-local and time non-lo…
Actions, length functions, and non-archemedian words
Olga Kharlampovich, Alexei Myasnikov, Denis Serbin
In this paper we survey recent developments in the theory of groups acting on -trees. We are trying to unify all significant methods and techniques, both classical and recently…