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- City University of New YorkUS83 papers
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6 papers · 1 filter
A Wide Planetary Mass Companion Discovered Through the Citizen Science Project Backyard Worlds: Planet 9
Jacqueline K. Faherty, Jonathan Gagne, Mark Popinchalk +24
Through the Backyard Worlds: Planet 9 citizen science project we discovered a late-type L dwarf co-moving with the young K0 star BD+60 1417 at a projected separation of 37" or 1662…
Engineering plasmon modes and their loss in armchair graphene nanoribbons by selected edge-extended defects
Thi-Nga Do, Po-Hsin Shih, Godfrey Gumbs +1
The effect of edge modification of armchair graphene nanoribbons (AGNRs) on the collective excitations are theoretically investigated. The tight-binding method is employed in conju…
A Number of Nearby Moving Groups may be Fragments of Dissolving Open Clusters
Jonathan Gagné, Jacqueline K. Faherty, Leslie Moranta +1
We propose that fourteen co-moving groups of stars uncovered by Kounkel & Covey (2019) may be related to known nearby moving groups and bridge those and nearby open clusters with s…
Coherent-scatterer enhancement and Klein-tunneling suppression by potential barriers in gapped graphene with chirality-time-reversal symmetry
Farhana Anwar, Andrii Iurov, Danhong Huang +2
We have utilized the finite-difference approach to explore electron-tunneling properties in gapped graphene through various electrostatic-potential barriers changing from Gaussian…
Average concurrence and entanglement swapping
János A. Bergou, Dov Fields, Mark Hillery +2
We study the role of average concurrence in entanglement swapping in quantum networks. We begin with qubit pure states, and there is a very simple rule governing the propagation of…
Influence of electric and magnetic fields and -edge bands on the electronic and optical spectra of graphene nanoribbons
Thi-Nga Do, Po-Hsin Shih, Godfrey Gumbs +1
The unusual electronic and optical properties of armchair and zigzag graphene nanoribbons (GNRs) subject to in-plane transverse electric and perpendicular magnetic fields have been…