Results 31 to 40 of about 517,280 (335)

Tensor polarizability of the vector mesons from SU(3) lattice gauge theory

Journal of High Energy Physics, 2018
The magnetic dipole polarizabilities of the vector ρ 0 and ρ ± mesons in SU(3) pure gauge theory are calculated in the article. Based on this the authors explore the contribution of the dipole magnetic polarizabilities to the tensor polarization of the ...
E. V. Luschevskaya, O. V. Teryaev, D. Yu. Golubkov, O. V. Solovjeva, R. A. Ishkuvatov   +4 more
doaj   +1 more source

More about the Grassmann tensor renormalization group

Journal of High Energy Physics, 2021
We derive a general formula of the tensor network representation for d-dimensional lattice fermions with ultra-local interactions, including Wilson fermions, staggered fermions, and domain-wall fermions.
Shinichiro Akiyama, Daisuke Kadoh
doaj   +1 more source

Beta-function, Renormalons and the Mass Term from Perturbative Wilson Loops [PDF]

, 1999
Several Wilson loops on several lattice sizes are computed in Perturbation Theory via a stochastic method. Applications include: Renormalons, the Mass Term in Heavy Quark Effective Theory and (possibly) the beta-function.Comment: 3 pages, 1 eps figure ...
Burgio, Creutz, Di Renzo, Di Renzo, Dotsenko, F. Di Renzo, G. Burgio, L. Scorzato, M. Pepe   +8 more
core   +2 more sources

Effective Field Theory for Lattice Nuclei

Physical Review Letters, 2015
5 pages, 2 ...
Barnea, N., Contessi, L., Gazit, D., Pederiva, Francesco, Van Kolck, U.   +4 more
openaire   +6 more sources

Isospin breaking corrections to meson masses and the hadronic vacuum polarization: a comparative study

Journal of High Energy Physics, 2017
We calculate the strong isospin breaking and QED corrections to meson masses and the hadronic vacuum polarization in an exploratory study on a 64 × 243 lattice with an inverse lattice spacing of a −1 = 1.78 GeV and an isospin symmetric pion mass of m π =
P. Boyle, V. Gülpers, J. Harrison, A. Jüttner, C. Lehner, A. Portelli, C.T. Sachrajda   +6 more
doaj   +1 more source

Stochastic computation of g − 2 in QED

Journal of High Energy Physics, 2021
We perform a numerical computation of the anomalous magnetic moment (g − 2) of the electron in QED by using the stochastic perturbation theory. Formulating QED on the lattice, we develop a method to calculate the coefficients of the perturbative series ...
Ryuichiro Kitano, Hiromasa Takaura, Shoji Hashimoto   +2 more
doaj   +1 more source

Non-equilibrium field theory [PDF]

, 2000
I discuss various topics in relativistic non-equilibrium field theory related to high energy physics and cosmology. I focus on non-perturbative problems and how they can be treated on the lattice.Comment: Plenary talk given at the 18th International ...
Aarts, Aarts, Aarts, Ambjorn, Ambjorn, Ambjørn, Ambjørn, Arnold, Arnold, Arnold, Arnold, Arnold, Arnold, Blaizot, Blaizot, Blaizot, Bochkarev, Borsanyi, Boyanovsky, Braaten, Braaten, Bödeker, Bödeker, Bödeker, Bödeker, Bödeker, Bödeker, Bödeker, Cohen, Cooper, Dietrich Bödeker, Felder, Fodor, Frenkel, Grigoriev, Grigoriev, Gross, Hu, Huet, Jeon, Jeon, Kasuya, Kasuya, Khlebnikov, Khlebnikov, Kofman, Kovner, Krasnitz, Krasnitz, Kripfganz, Langer, Lifshitz, Linde, Litim, McLerran, McLerran, Moore, Moore, Moore, Moore, Nair, Nieto, Prokopec, Rajantie, Riotto, Rubakov, Tang, Tang, Taylor, Wang, Wetterich   +70 more
core   +3 more sources

Induced QCD II: numerical results

Journal of High Energy Physics, 2019
We numerically explore an alternative discretization of continuum SU(N c ) Yang-Mills theory on a Euclidean spacetime lattice, originally introduced by Budzcies and Zirnbauer for gauge group U(N c ).
Bastian B. Brandt, Robert Lohmayer, Tilo Wettig   +2 more
doaj   +1 more source

Optimisation of complex integration contours at higher order

Journal of High Energy Physics, 2021
We continue our study of contour deformation as a practical tool for dealing with the sign problem using the d-dimensional Bose gas with non-zero chemical potential as a toy model.
Francis Bursa, Michael Kroyter
doaj   +1 more source

Lattice effective field theory for nuclei from A = 4 to A = 28 [PDF]

, 2013
We present an overview of the extension of Nuclear Lattice Effective Field Theory simulations to the regime of medium-mass nuclei. We focus on the determination of the ground-state energies of the alpha nuclei $^{16}$O, $^{20}$Ne, $^{24}$Mg and $^{28}$Si
Epelbaum, Evgeny, Krebs, Hermann, Lee, Dean, Lähde, Timo A., Meißner, Ulf-G., Rupak, Gautam   +5 more
core   +2 more sources