Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of California, BerkeleyUS1.3k papers
- Goddard Space Flight CenterUS1.3k papers
- California Institute of TechnologyUS1.3k papers
- The Ohio State UniversityUS1.2k papers
- Centre National de la Recherche ScientifiqueFR1.1k papers
- Massachusetts Institute of TechnologyUS1.1k papers
- University of Maryland, College ParkUS1k papers
- Center for Astrophysics Harvard & SmithsonianUS975 papers
- Lawrence Berkeley National LaboratoryUS898 papers
- University of ChicagoUS889 papers
- University of WashingtonUS868 papers
- Yale UniversityUS848 papers
521 papers · 1 filter
An X-ray and Multiwavelength Survey of Highly Radio-Loud Quasars at z > 4: Jet-Linked Emission in the Brightest Radio Beacons of the Early Universe
Jianfeng Wu, W. N. Brandt, Brendan P. Miller +3
(Abridged) We present a systematic study of the X-ray and multiwavelength properties of a sample of 17 highly radio-loud quasars (HRLQs) at z > 4 with sensitive X-ray coverage from…
A geometric method for spatiotemporal coherent structure analysis
Chuan Zhang, Kentaroh Takagaki, Xiaoying Huang +2
We describe a geometric method to quantify wave patterns observed in the nervous system, which are non-stationary and with a mixture of spiral, target, plane and irregular waves. T…
Uniform shift estimates for transmission problems and optimal rates of convergence for the parametric Finite Element Method
Hengguang Li, Victor Nistor, Yu Qiao
Let $Ω\subset \RR^d$, , be a bounded domain with piecewise smooth boundary and let be an open subset of a Banach space . Motivated by questions i…
Divisibility properties of the Fibonacci entry point
Paul Cubre, Jeremy Rouse
For a prime , let be the smallest positive integer so that divides , the th term in the Fibonacci sequence. Paul Bruckman and Peter Anderson conjectured…
Massive neutral gauge boson production as a probe of nuclear modifications of parton distributions at the LHC
Vadim Guzey, Marco Guzzi, Pavel M. Nadolsky +2
We analyze the role of nuclear modifications of parton distributions, notably, the nuclear shadowing and antishadowing corrections, in production of lepton pairs from decays of neu…
A loop quantum multiverse?
Martin Bojowald
Inhomogeneous space-times in loop quantum cosmology have come under better control with recent advances in effective methods. Even highly inhomogeneous situations, for which multiv…
Dynamical age differences among coeval star clusters as revealed by blue stragglers
F. R. Ferraro, B. Lanzoni, E. Dalessandro +11
Globular star clusters that formed at the same cosmic time may have evolved rather differently from a dynamical point of view (because that evolution depends on the internal enviro…
Deformed General Relativity
Martin Bojowald, George M. Paily
Deformed special relativity is embedded in deformed general relativity using the methods of canonical relativity and loop quantum gravity. Phase-space dependent deformations of sym…
Discovery of TeV Gamma-ray Emission from CTA 1 by VERITAS
E. Aliu, S. Archambault, T. Arlen +88
We report the discovery of TeV gamma-ray emission coincident with the shell-type radio supernova remnant (SNR) CTA 1 using the VERITAS gamma-ray observatory. The source, VER J0006+…
Cross-Correlation of SDSS DR7 Quasars and DR10 BOSS Galaxies: The Weak Luminosity Dependence of Quasar Clustering at z~0.5
Yue Shen, Cameron K. McBride, Martin White +21
We present the measurement of the two-point cross-correlation function (CCF) of 8,198 Sloan Digital Sky Survey (SDSS) Data Release 7 (DR7) quasars and 349,608 DR10 CMASS galaxies f…
S-Wave Collisional Frequency Shift of a Fermion Clock
Eric L. Hazlett, Yi Zhang, Ronald W. Stites +2
We report an s-wave collisional frequency shift of an atomic clock based on fermions. In contrast to bosons, the fermion clock shift is insensitive to the population difference of…
A quantum phase transition from triangular to stripe charge order in NbSe
Anjan Soumyanarayanan, Michael M. Yee, Yang He +6
The competition between proximate electronic phases produces a complex phenomenology in strongly correlated systems. In particular, fluctuations associated with periodic charge or…
Semi-stable Reduction Implies Minimality of the Resultant
Lucien Szpiro, Michael Tepper, Phillip Williams
For a dynamical system on n-dimensional projective space over a number field or a function field, we show that semi-stable reduction implies the minimality of the resultant. We use…
Hedgehog Spin-texture and Berry's Phase tuning in a Magnetic Topological Insulator
Su-Yang Xu, Madhab Neupane, Chang Liu +18
Understanding and control of spin degrees of freedom on the surfaces of topological materials are key to future applications as well as for realizing novel physics such as the axio…
Spatial Pattern Dynamics due to the Fitness Gradient Flux in Evolutionary Games
Russ deForest, Andrew Belmonte
We introduce a non-diffusive spatial coupling term into the replicator equation of evolutionary game theory. The spatial flux is based on motion due to local gradients in the relat…
Constraints on the origin of cosmic rays above eV from large scale anisotropy searches in data of the Pierre Auger Observatory
Pierre Auger Collaboration
A thorough search for large scale anisotropies in the distribution of arrival directions of cosmic rays detected above eV at the Pierre Auger Observatory is reported. For…
X-ray properties of the Northern Galactic Cap AGNs in the 58-month Swift-BAT catalog
Ranjan V. Vasudevan, William N. Brandt, Richard F. Mushotzky +5
We present a detailed X-ray spectral analysis of a complete sample of hard X-ray selected AGN in the Northern Galactic Cap of the 58-month Swift Burst Alert Telescope (Swift/BAT) c…
Chandra observations of SN 1987A: the soft X-ray light curve revisited
E. A. Helder, P. S. Broos, D. Dewey +6
We report on the present stage of SN 1987A as observed by the Chandra X-ray Observatory. We reanalyze published Chandra observations and add three more epochs of Chandra data to ge…
Electric Time in Quantum Cosmology
Stephon Alexander, Martin Bojowald, Antonino Marciano +1
Effective quantum cosmology is formulated with a realistic global internal time given by the electric vector potential. New possibilities for the quantum behavior of space-time are…
The Chandra Local Volume Survey: The X-ray Point Source Population of NGC 404
B. Binder, B. F. Williams, M. Eracleous +4
We present a comprehensive X-ray point source catalog of NGC 404 obtained as part of the Chandra Local Volume Survey. A new, 97 ks Chandra ACIS-S observation of NGC 404 was combine…
Intragroup and Galaxy-Linked Diffuse X-ray Emission in Hickson Compact Groups
Tyler D. Desjardins, Sarah C. Gallagher, Panayiotis Tzanavaris +9
Isolated compact groups of galaxies (CGs) present a range of dynamical states, group velocity dispersions, and galaxy morphologies with which to study galaxy evolution, particularl…
Multiwavelength observations of GRB 110731A: GeV emission from onset to afterglow
LAT Collaboration, GBM Collaboration, Swift Collaboration +2
We report on the multiwavelength observations of the bright, long gamma-ray burst \GRB, by the \Fermi and \Swift observatories, and by the MOA and GROND optical telescopes. The ana…
Test ideals of non-principal ideals: Computations, Jumping Numbers, Alterations and Division Theorems
Karl Schwede, Kevin Tucker
Given an ideal in a (log) -Gorenstein -finite ring of characteristic , we study and provide a new perspective on the test ideal for a real…
Higher torsion and secondary transfer of unipotent bundles
Bernard Badzioch, Wojciech Dorabiala
Given a unipotent bundle of smooth manifolds we construct its secondary transfer map and show that this map determines the higher smooth torsion of the bundle. This approach to hig…