Results 41 to 50 of about 1,477,861 (328)

Relativistic N-particle energy shift in finite volume

Journal of High Energy Physics, 2021
We present a general method for deriving the energy shift of an interacting system of N spinless particles in a finite volume. To this end, we use the nonrelativistic effective field theory (NREFT), and match the pertinent low-energy constants to the ...
Fernando Romero-López, Akaki Rusetsky, Nikolas Schlage, Carsten Urbach   +3 more
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

Phase diagram and Chiral Magnetic Effect in Dirac Semimetals from Lattice Simulation

EPJ Web of Conferences, 2018
Dirac Semimetals Na3Bi and Cd3As2 are recently discovered materials, which low energy electronic spectrum is described by two flavours of massless 3+1D fermions.
Boyda D.L., Braguta V.V., Katsnelson M.I., Kotov A.Yu.   +3 more
doaj   +1 more source

Moments of Ioffe time parton distribution functions from non-local matrix elements

Journal of High Energy Physics, 2018
We examine the relation of moments of parton distribution functions to matrix elements of non-local operators computed in lattice quantum chromodynamics.
Joseph Karpie, Kostas Orginos, Savvas Zafeiropoulos   +2 more
doaj   +1 more source

Thermal QCD in a non-uniform magnetic background

Journal of High Energy Physics, 2023
Off-central heavy-ion collisions are known to feature magnetic fields with magnitudes and characteristic gradients corresponding to the scale of the strong interactions.
B. B. Brandt, F. Cuteri, G. Endrődi, G. Markó, L. Sandbote, A. D. M. Valois   +5 more
doaj   +1 more source

The flavor dependence of m ϱ /f π

Journal of High Energy Physics, 2019
We calculate the m ϱ /f π ratio in the chiral and continuum limit for SU(3) gauge theory coupled to N f = 2, 3, 4, 5, 6 fermions in the fundamental representation. Keeping all systematic effects under full control we find no statistically significant N f
Daniel Nogradi, Lorinc Szikszai
doaj   +1 more source

Tensor renormalization group study of two-dimensional U(1) lattice gauge theory with a θ term

Journal of High Energy Physics, 2020
We make an analysis of the two-dimensional U(1) lattice gauge theory with a θ term by using the tensor renormalization group. Our numerical result for the free energy shows good consistency with the exact one at finite coupling constant.
Yoshinobu Kuramashi, Yusuke Yoshimura
doaj   +1 more source

Review of lattice studies of resonances [PDF]

, 2012
I review recent progress in extracting resonance parameters using lattice field theory, with an emphasis on determining hadron resonances from lattice quantum chromodynamics.
Mohler, Daniel
core   +3 more sources

Canonical simulations with worldlines: an exploratory study in $\phi^{4}_{2}$ lattice field theory [PDF]

, 2017
In this letter we explore the perspectives for canonical simulations in the worldline formulation of a lattice field theory. Using the charged $\phi^4$ field in two dimensions as an example we present the details of the canonical formulation based on ...
O. Orasch, C. Gattringer
semanticscholar   +1 more source

CONNECTIONS of the LIOUVILLE MODEL and XXZ SPIN CHAIN [PDF]

, 1995
The quantum theory of the Liouville model with imaginary field is considered using the quantum inverse scattering method. An integrable structure with nontrivial spectral parameter dependence is developed for lattice Liouville theory by scaling the $L ...
Affleck, Alcaraz, Andrews, Babelon, Babelon, Belavin, Bexter, Blöte, Bogoliubov, Cardy, Curtright, de Vega, de Vega, Dzhordzadze, Faddeev, Faddeev, Faddeev, Faddeev, Faddeev, Faddeev, Faddeev, Friedan, Gervais, Gervais, Gervais, Gervais, Gervais, Huse, Izergin, Izergin, Jüttner, Karowski, Klümper, Klümper, Ludvig D. Faddeev, Olav Tirkkonen, Polyakov, Seiberg, Takahashi, Takhtajan, Takhtajan, Tarasov, Verlinde, Volkov, Volkov, Woynarowich, Woynarowich   +46 more
core   +2 more sources