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Magnet system for the Quantum Electro-Mechanical Metrology Suite
Rafael R. Marangoni, Darine Haddad, Frank Seifert +3
The design of the permanent magnet system for the new Quantum Electro-Mechanical Metrology Suite (QEMMS) is described. The QEMMS, developed at the National Institute of Standards a…
The Performance of the KIBB-g1 Tabletop Kibble Balance at NIST
Leon Chao, Frank Seifert, Darine Haddad +3
A tabletop-sized Kibble balance (KIBB-g1) designed to directly realize mass at the gram-level range with uncertainties on the order of parts in 10 has been developed at the Nat…
Strong equilibration of Landau levels edge-states at the graphene edge
Son T. Le, Joseph A. Hagmann, Nikolai Klimov +4
We present the results of an experimental study of the interaction of quantized Landau level (LL) edge-states at the physical edge of graphene by using a graphene pn junction devic…
Observation of chiral photocurrent transport in the quantum Hall regime in graphene
Olivier Gazzano, Bin Cao, Jiuning Hu +6
Optical excitation provides a powerful tool to investigate non-equilibrium physics in quantum Hall systems. Moreover, the length scale associated with photo-excited charge carries…