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14 papers · 1 filter
Characterization of the Drag Force in an Air-Moderated Granular Bed
Theodore A Brzinski, Douglas J Durian
We measure the torque acting on a rod rotated perpendicular to its axis in a granular bed, through which an upflow of gas is utilized to tune the hydrostatic loading between grains…
Declarative Reconfigurable Trust Management
William Marczak, David Zook, Wenchao Zhou +2
In recent years, there has been a proliferation of declarative logic-based trust management languages and systems proposed to ease the description, configuration, and enforcement o…
Greybody Factors and Charges in Kerr/CFT
Mirjam Cvetic, Finn Larsen
We compute greybody factors for near extreme Kerr black holes in D=4 and D=5. In D=4 we include four charges so that our solutions can be continuously deformed to the BPS limit. In…
Searching the Inclusive Lepton + Photon + Missing ET + b-quark Signature for Radiative Top Quark Decay and Non-Standard-Model Processes
CDF Collaboration, T. Aaltonen
In a search for new phenomena in a signature suppressed in the standard model of elementary particles (SM), we compare the inclusive production of events containing a lepton, a pho…
Non-affine response: jammed packings versus spring networks
Wouter G. Ellenbroek, Zorana Zeravcic, Wim van Saarloos +1
We compare the elastic response of spring networks whose contact geometry is derived from real packings of frictionless discs, to networks obtained by randomly cutting bonds in a h…
Stability Walls in Heterotic Theories
Lara B. Anderson, James Gray, Andre Lukas +1
We study the sub-structure of the heterotic Kahler moduli space due to the presence of non-Abelian internal gauge fields from the perspective of the four-dimensional effective theo…