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- Tyndall National InstituteIE88 papers
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11 papers · 1 filter
An analytical approach to sorting in periodic potentials
James P. Gleeson, J. M. Sancho, A. M. Lacasta +1
There has been a recent revolution in the ability to manipulate micrometer-sized objects on surfaces patterned by traps or obstacles of controllable configurations and shapes. One…
Abelian regular subgroups of the affine group and radical rings
A. Caranti, Francesca Dalla Volta, Massimiliano Sala
We establish a link between abelian regular subgroup of the affine group, and commutative, associative algebra structures on the underlying vector space that are (Jacobson) radical…
When less is more: Are radio galaxies below the Fanaroff-Riley break more polarized on parsec scales ?
P. Kharb, P. Shastri, D. C. Gabuzda
We present images showing the first detections of polarization on parsec scales in the nuclei of four Fanaroff-Riley type I (low-luminosity) radio galaxies. Observations with Very…
VSOP monitoring of the compact BL Lac object AO 0235+164
S. Frey, L. I. Gurvits, D. C. Gabuzda +7
In 1999, the highly compact and variable BL Lac object AO 0235+164 was identified as the highest brightness temperature active galactic nucleus observed with the VLBI Space Observa…
Lagrangian submanifolds in affine symplectic geometry
Benjamin McKay
We uncover the lowest order differential invariants of Lagrangian submanifolds under affine symplectic maps, and find out what happens when they are constant.
Observing the Profile of an Atom Laser Beam
M. Köhl, Th. Busch, K. Molmer +2
We report on an investigation of the beam profile of an atom laser extracted from a magnetically trapped Rb Bose-Einstein condensate. The transverse momentum distribution is…