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We apply the perturbative chiral quark model at one loop to analyze the electromagnetic form factors of the baryon octet. The analytic expressions for baryon form factors, which are given in terms of fundamental parameters of low-energy…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Cheedket , V. E. Lyubovitskij , Th. Gutsche , Amand Faessler , K. Pumsa-ard , Y. Yan

We develop the machinery of boundary triplets for one-dimensional operators generated by formally self-adjoint quasi-differential expression of arbitrary order on a finite interval. The technique are then used to describe all maximal…

Functional Analysis · Mathematics 2013-04-25 Andrii Goriunov , Vladimir Mikhailets , Konstantin Pankrashkin

Hattori-Itakura have recently derived the full Landau-level summation form for the photon vacuum polarization tensor in constant external magnetic fields at the one-loop level. The Landau-level summation form is essential when the photon…

High Energy Physics - Phenomenology · Physics 2013-10-31 Ken-Ichi Ishikawa , Daiji Kimura , Kenta Shigaki , Asako Tsuji

An integral representation for form-factors of exponential fields in the sine-Gordon model is proposed.

High Energy Physics - Theory · Physics 2009-10-30 S. Lukyanov

We discuss the determination of the lowest Form Factors relative to the trace operators of N=1 Super Sinh-Gordon Model. Analytic continuations of these Form Factors as functions of the coupling constant allows us to study a series of models…

High Energy Physics - Theory · Physics 2015-06-26 G. Mussardo

Using Slavnov's scalar product of a Bethe eigenstate and a generic state in closed XXZ spin-1/2 chains, with possibly twisted boundary conditions, we obtain determinant expressions for tree-level structure constants in 1-loop…

High Energy Physics - Theory · Physics 2012-08-21 O Foda , M Wheeler

Integrable open-boundary condition for the q-deformed Essler-Korepin-Schoutens extended Hubbard model of strongly correlated electrons, are studied in the framework of the boundary quantum inverse scattering method. Diagonal boundary…

Strongly Correlated Electrons · Physics 2009-10-31 Xiang-Yu Ge

We calculate the $B_{u,d,s}\to T$ form factors within the framework of the perturbative QCD approach, where $T$ denotes a light tensor meson with $J^P=2^+$. Due to the similarities between the wave functions of a vector and a tensor meson,…

High Energy Physics - Phenomenology · Physics 2011-02-02 Wei Wang

The connection between the Feynman triangle diagram and the light-front formalism for spin-0 and spin-1 two-fermion systems is analyzed. It is shown that in the limit q+ = 0 the form factors for both spin-0 and spin-1 systems can be…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. Melikhov , S. Simula

Turbulent boundary layers under adverse pressure gradients are studied using well-resolved large-eddy simulations (LES) with the goal of assessing the influence of the streamwise pressure development. Near-equilibrium boundary layers were…

Fluid Dynamics · Physics 2018-12-11 P. Schlatter , R. Vinuesa , A. Bobke , R. Örlü

We present a twist expansion of differential cross-sections of the forward Drell-Yan process at the high energies. The expansion of all invariant form-factors is performed assuming GBW saturation model and the saturation scale plays the…

High Energy Physics - Phenomenology · Physics 2016-02-22 Tomasz Stebel , Leszek Motyka , Mariusz Sadzikowski

A quantum spin chain with non-conventional boundary conditions is studied. The distinct nature of these boundary conditions arises from the conversion of a soliton to an anti-soliton after being reflected to the boundary, hence the…

High Energy Physics - Theory · Physics 2015-02-04 Jean Avan , Anastasia Doikou , Nikos Karaiskos

The antiperiodic transfer matrix associated to higher spin representations of the rational 6-vertex Yang-Baxter algebra is analyzed by generalizing the approach introduced recently in [1], for the cyclic representations, in [2], for the…

Mathematical Physics · Physics 2013-06-04 G. Niccoli

In high-contrast composites, if an inclusion is in close proximity to the matrix boundary, then the stress, which is represented by the gradient of a solution to the Lam\'{e} systems of linear elasticity, may exhibits the singularities with…

Analysis of PDEs · Mathematics 2021-09-14 Zhiwen Zhao , Xia Hao

We use a continuous mesoscopic model to address the yielding properties of plastic composites, formed by a host material and inclusions with different elastic and/or plastic properties. We investigate the flow properties of the composed…

Statistical Mechanics · Physics 2020-05-06 E. A. Jagla

In the present article we study the form factors of quantum integrable lattice models solvable by the separation of variables (SoV) method. It was recently shown that these models admit universal determinant representations for the scalar…

Mathematical Physics · Physics 2017-03-17 N. Kitanine , J. M. Maillet , G. Niccoli , V. Terras

We bootstrap the three-point form factor of the chiral part of the stress-tensor supermultiplet in planar $\mathcal{N}=4$ super-Yang-Mills theory, obtaining new results at three, four, and five loops. Our construction employs known…

High Energy Physics - Theory · Physics 2022-08-24 Lance J. Dixon , Andrew J. McLeod , Matthias Wilhelm

This paper investigates the variational problems associated with the $L^2$-norms of the normal and tangent curvature tensors for submanifolds immersed in a unit sphere. We define the critical points of these functionals under normal…

Differential Geometry · Mathematics 2026-04-28 Jianquan Ge , Lixin Xiao , Wenjin Zhang

For characterizing the Brownian motion in a bounded domain: $\Omega$, it is well-known that the boundary conditions of the classical diffusion equation just rely on the given information of the solution along the boundary of a domain; on…

Analysis of PDEs · Mathematics 2018-01-24 Weihua Deng , Buyang Li , Wenyi Tian , Pingwen Zhang

The deuteron form factors are calculated in the framework of the relativistic nucleon-meson dynamics, by means of the explicitly covariant light-front approach. The inflluence of the nucleon electromagnetic form factors is discussed. At…

Nuclear Theory · Physics 2014-11-18 J. Carbonell , V. A. Karmanov