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345 papers · 1 filter
The Complete Census of 70-um-Bright Debris Disks within the FEPS (Formation and Evolution of Planetary Systems) Spitzer Legacy Survey of Sun-like Stars
Lynne A. Hillenbrand, John M. Carpenter, Jinyoung Serena Kim +7
(abbreviated) We report detection with the Spitzer Space Telescope of cool dust surrounding solar type stars. The observations were performed as part of the Legacy Science Program,…
On Harrell-Stubbe Type Inequalities for the Discrete Spectrum of a Self-Adjoint Operator
Mark S. Ashbaugh, Lotfi Hermi
We produce a new proof and extend results by Harrell and Stubbe for the discrete spectrum of a self-adjoint operator. An abstract approach--based on commutator algebra, the Rayleig…
On Riesz Means of Eigenvalues
Evans M. Harrell, Lotfi Hermi
In this article we prove the equivalence of certain inequalities for Riesz means of eigenvalues of the Dirichlet Laplacian with a classical inequality of Kac. Connections are made…
Atom Interferometers
Alexander D. Cronin, Joerg Schmiedmayer, David E. Pritchard
Interference with atomic and molecular matter waves is a rich branch of atomic physics and quantum optics. It started with atom diffraction from crystal surfaces and the separated…
Complex Organic Materials in the Circumstellar Disk of HR 4796A
J. H. Debes, A. J. Weinberger, G. Schneider
We combine HST/NICMOS imaging photometry of the HR 4796A disk at previously unobserved wavelengths between 1.71-2.22\micron with reprocessed archival observations to produce a meas…
The Host Galaxies and Black Holes of Typical z~0.5-1.4 AGN
A. Alonso-Herrero, P. G. Perez-Gonzalez, G. H. Rieke +5
We study the stellar and star formation (SF) properties of the host galaxies of 58 X-ray selected AGN in the GOODS portion of the Chandra Deep Field South (CDF-S) region at z~0.5-1…