English
Related papers

Related papers: Partial extensions of jets and the polar distribut…

200 papers

Motivated by recent observations that show increasing fractional linear polarization with increasing wavelength in a small number of optically thin jet features, i.e. "inverse depolarization", we present a physical model that can explain…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-04 Daniel C. Homan

We provide a general theoretical framework allowing us to extend the classical Lie theory for partial differential equations to the case of equations of fractional order. We propose a general prolongation formula for the study of Lie…

Analysis of PDEs · Mathematics 2017-02-15 Rosario Antonio Leo , Gabriele Sicuro , Piergiulio Tempesta

Systems of partial differential equations lie at the heart of physics. Despite this, the general theory of these systems has remained rather obscure in comparison to numerical approaches such as finite element models and various other…

Analysis of PDEs · Mathematics 2007-05-23 Richard Baker , Chris Doran

There is a natural filtration on the space of degree-$k$ homogeneous polynomials in $n$ independent variables with coefficients in the algebra of smooth functions on the Grassmannian $\mathrm{Gr}(n,s)$, determined by the tautological…

Differential Geometry · Mathematics 2014-02-21 M. J. Baechtold , G. Moreno

Jet broadening is an event-shape variable probing the transverse momenta of particles inside jets. It has been measured precisely in e+e- annihilations and is used to extract the strong coupling constant. The factorization of the associated…

High Energy Physics - Phenomenology · Physics 2015-05-27 Thomas Becher , Guido Bell , Matthias Neubert

We explore the spectral and polarization properties of photospheric emissions from stratified jets in which multiple components, separated by a sharp velocity shear regions, are distributed in lateral direction. Propagation of thermal…

High Energy Astrophysical Phenomena · Physics 2015-06-19 Hirotaka Ito , Shigehiro Nagataki , Jin Matsumoto , Shiu-Hang Lee , Alexey Tolstov , Jirong Mao , Maria Dainotti , Akira Mizuta

We investigate the previously proposed possibility that multi-epoch broadband polarimetry could act as a complement or limited proxy for VLBI observations of blazars, in that the number of polarised emission components in the jet, and some…

Astrophysics of Galaxies · Physics 2019-02-20 C. S. Anderson , S. P. O'Sullivan , G. H. Heald , T. Hodgson , A. Pasetto , B. M. Gaensler

It is shown that linear polarization data can be used to constrain the composition (normal or pair plasma) of pc-scale extragalactic jets. A simple criterion, based on synchrotron and Faraday depolarization properties, is established. It…

Astrophysics · Physics 2016-08-30 Didier Fraix-Burnet

We develop the theoretical framework needed to study the distribution of hadrons with general polarization inside jets, with and without transverse momentum measured with respect to the standard jet axis. The key development in this paper,…

High Energy Physics - Phenomenology · Physics 2020-09-14 Zhong-Bo Kang , Kyle Lee , Fanyi Zhao

We demonstrate an enhancement of the plane wave expansion method treating two-dimensional photonic crystals by applying Fourier factorization with generally elliptic polarization bases. By studying three examples of periodically arranged…

Optics · Physics 2010-12-16 Roman Antos , Martin Veis

In this paper, we explore the use of jet substructure as a way of probing phenomena which break the isotropic behavior of jets, such as jet propagation through an anisotropically flowing quark-gluon plasma or spin correlations. We introduce…

High Energy Physics - Phenomenology · Physics 2024-12-18 Weiyao Ke , John Terry , Ivan Vitev

Extragalactic jets exhibit a wide range of propagation orientations relative to the host galaxy's principal axis. This study investigate the spatiotemporal evolution of jets as a function of their propagation direction within their triaxial…

This paper stresses the strong link between the existence of partial holomorphic connections on the normal bundle of a foliation seen as a quotient of the ambient tangent bundle and the extendability of a foliation to an infinitesimal…

Complex Variables · Mathematics 2015-01-14 Isaia Nisoli

Multiple-degrees-of-freedom free-space communication combining polarization and high-order spatial modes promises high-capacity communication channel. While high-order spatial modes have been widely exploited for dense coding and…

Quantum Physics · Physics 2016-03-17 Ling Ji , Ai-Lin Yang , Xiao-Feng Lin , Xian-Min Jin

We study the number of linear extensions of a partial order with a given proportion of comparable pairs of elements, and estimate the maximum and minimum possible numbers. We also consider a random interval partial order on $n$ elements,…

Combinatorics · Mathematics 2018-10-16 Colin McDiarmid , David Penman , Vasileios Iliopoulos

In this paper we construct the jet geometrical extensions of the KCC-invariants, which characterize a given second-order system of differential equations on the 1-jet space $J^1(R,M)$. A generalized theorem of characterization of our jet…

Differential Geometry · Mathematics 2010-03-30 Vladimir Balan , Mircea Neagu

A Linear Boltzmann Transport (LBT) model has been developed for the study of jet propagation inside a quark-gluon plasma. Both leading and thermal recoiled partons are transported according to the Boltzmann equations to account for…

Nuclear Theory · Physics 2015-06-15 Tan Luo , Yayun He , Xin-Nian Wang , Yan Zhu

The Lagrangian dynamics of zonal jets in the atmosphere are considered, with particular attention paid to explaining why, under commonly encountered conditions, zonal jets serve as barriers to meridional transport. The velocity field is…

Atmospheric and Oceanic Physics · Physics 2009-11-11 I. I. Rypina , F. J. Beron-Vera , M. G. Brown , H. Kocak , M. J. Olascoaga , I. A. Udovydchenkov

We examine the existence of nonlinear modes and their temporal dynamics, in arrays of split-ring resonators, using a fractional extension of the Laplacian in the evolution equation. We find a closed-form expression for the dispersion…

Pattern Formation and Solitons · Physics 2020-12-30 Mario I. Molina

This work provides a unified formalism for studying difference and (Hasse-) differential algebraic geometry, by introducing a theory of "iterative Hasse rings and schemes". As an application, Hasse jet spaces are constructed generally,…

Algebraic Geometry · Mathematics 2014-02-26 Rahim Moosa , Thomas Scanlon
‹ Prev 1 2 3 10 Next ›