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296 papers · 1 filter
Accessing nanotube bands via crossed electric and magnetic fields
Wade DeGottardi, Tzu-Chieh Wei, Victoria Fernandez +1
We investigate the properties of conduction electrons in single-walled armchair carbon nanotubes in the presence of mutually orthogonal electric and magnetic fields transverse to t…
Spectral dimension and random walks on the two dimensional uniform spanning tree
Martin T. Barlow, Robert Masson
We study simple random walk on the uniform spanning tree on Z^2 . We obtain estimates for the transition probabilities of the random walk, the distance of the walk from its startin…
Large Pulsar Kicks from Topological Currents
James Charbonneau, Kelsey Hoffman, Jeremy Heyl
We show that kicks generated by topological currents may be responsible for the large velocities seen in a number of pulsars. The majority of the kick builds up within the first se…
The Globular Cluster System of NGC 5128: Ages, Metallicities, Kinematics, and Structural Parameters
Kristin A. Woodley, Matias Gomez
We review our recent studies of the globular cluster system of NGC 5128. First, we have obtained low-resolution, high signal-to-noise spectroscopy of 72 globular clusters using Gem…
Fermi liquid behaviour in an underdoped high Tc superconductor
Suchitra E. Sebastian, N. Harrison, M. M. Altarawneh +4
We use magnetic quantum oscillations in the underdoped high Tc superconductor YBa_2Cu_3O_(6+x) (x=0.56) measured over a broad range of temperatures 100 mK<T<18 K to extract the for…
When is multidimensional screening a convex program?
Alessio Figalli, Young-Heon Kim, Robert J. McCann
A principal wishes to transact business with a multidimensional distribution of agents whose preferences are known only in the aggregate. Assuming a twist (= generalized Spence-Mir…