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59
A STUDY OF 13 POWERFUL CLASSICAL DOUBLE RADIO GALAXIES
, 2006
"... We have carried out an extensive study of a sample of 13 large, powerful FanaroffRiley type II radio galaxies with the Very Large Array in multiple configurations at 330 MHz and 1.4, 5, and 8 GHz. We present the total intensity, polarization, spectral index, and rotation measure maps of the sources ..."
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of the sources. On the whole, the 13 FR II sources have symmetric structures with armlength ratios close to unity, small misalignment angles, and low values of radio core prominence, suggesting that these radio galaxies lie close to the plane of the sky.We have revisited some wellknown radio galaxy
Multiwavelength study of Cygnus A I. Precession and slow jet speeds from radio observations
, 805
"... Cygnus A (3C 405), at a redshift of 0.05607 (Owen et al. 1997), is the closest powerful FR II classical double radio galaxy (see Fig. 1). At this distance, and for a Hubble constant of 73 km s −1 Mpc −1 (we also assume that ΩM = 0.3 and ΩΛ = 0.7), 1 ′ ′ corresponds to ..."
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Cygnus A (3C 405), at a redshift of 0.05607 (Owen et al. 1997), is the closest powerful FR II classical double radio galaxy (see Fig. 1). At this distance, and for a Hubble constant of 73 km s −1 Mpc −1 (we also assume that ΩM = 0.3 and ΩΛ = 0.7), 1 ′ ′ corresponds to
The Microscopic Connection
"... mented by the notion of a force acting at a distance. With the identification of the force of gravity and an appropriate initial condition  initial coordinates and velocities  trajectories could be computed. Philosophers of science have debated the content of Newton's laws but when augmented ..."
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mented by the notion of a force acting at a distance. With the identification of the force of gravity and an appropriate initial condition  initial coordinates and velocities  trajectories could be computed. Philosophers of science have debated the content of Newton's laws but when augmented
THE THREE GAP THEOREM AND RIEMANNIAN GEOMETRY
, 803
"... The classical Three Gap Theorem asserts that for n ∈ N and p ∈ R, there are at most three distinct distances between consecutive elements in the subset of [0, 1) consisting of the reductions modulo 1 of the first n multiples of p (see e.g. [Só58], [ ´ Sw58]). There are several interesting generali ..."
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The classical Three Gap Theorem asserts that for n ∈ N and p ∈ R, there are at most three distinct distances between consecutive elements in the subset of [0, 1) consisting of the reductions modulo 1 of the first n multiples of p (see e.g. [Só58], [ ´ Sw58]). There are several interesting
Iterative Solution Of The
 Comput. Phys. Commun
, 1995
"... this paper we investigate acceleration methods for solving the fundamental equation for the pair distribution function of classical manyparticle systems, the socalled OrnsteinZernike equation. The thermodynamic properties of such systems are determined by the interaction between the particles fro ..."
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development (see e.g. [1, Chapters 6, 7]) of the equations it is useful to define the Mayer f  function: f(r) := e \Gamma1 ; (3) where u(r) is the potential energy between particle 1 and 2 at distance r. The latter is said to be regular (short ranged) (see [2, p. 72]) if it is bounded below and satisfies
Geometric Spreading of Pn and Sn in a Spherical Earth Model
"... Abstract Geometric spreading of Pn and Sn waves in a spherical Earth model is different than that of classical headwaves and is frequency dependent. The behavior cannot be fully represented by a frequencyindependent powerlaw model, as is commonly assumed. The lack of an accurate representation of ..."
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results, we present new empirical Pn and Sn geometricspreading models in the form Gr; f 10n3f=r0r0=rn1f logr0=rn2f and nif ni1logf=f02 ni2 logf=f0 ni3, where i 1, 2, or 3; r is epicentral distance; f is frequency; r0 1 km; and f0 1 Hz. We derive values of coefficients nij by fitting
Conformal Invariance in Periodic Quantum Chains
, 1993
"... We show how conformal invariance predicts the functional form of twopoint correlators in onedimensional periodic quantum systems. Numerical evidence for this functional form in a wide class of models — including longranged ones — is given and it is shown how this may be used to significantly spee ..."
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speed up calculations of critical exponents. 05.70.Jk, 11.30.j, 64.60.Fr Typeset using REVTEX 1 Conformal invariance has been shown to be remarkably powerful in predicting the universal longdistance behavior of lowdimensional field theories and statistical systems both at the classical
EXPERIMENTS IN TURBULENT SOAPFILM FLOWS: MARANGONI SHOCKS, FRICTIONAL DRAG, AND ENERGY SPECTRA BY
"... We carry out unprecedented experimental measurements of the frictional drag in turbulent soapfilm flows over smooth walls. These flows are effectively twodimensional, and we are able to create soapfilm flows with the two types of turbulent spectrum that are theoretically possible in two dimension ..."
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/2; where α = 5/3, f ∝ Re−1/4. These findings cannot be reconciled with the classic theory of the frictional drag. The classic theory provides no means of distinguishing between one type of turbulent spectrum and another, and cannot account for the existence of a “spectral link ” between the frictional drag
ARTICLE What
"... can we learn about physical laws from the fact that we have memories only of the past? ..."
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can we learn about physical laws from the fact that we have memories only of the past?
Results 1  10
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59