Zobrazeno 1 - 10
of 441
pro vyhledávání: '"Kijowski, J"'
Autor:
Bąk, B., Kijowski, J.
Spacetime geometry is described by two -- {\em a priori} independent -- geometric structures: the symmetric connection $\Gamma$ and the metric tensor $g$. Metricity condition of $\Gamma$ (i.e. $\nabla g = 0$) is implied by the Palatini variational pr
Externí odkaz:
http://arxiv.org/abs/2209.05936
Autor:
KIJOWSKI, J.1 kijowski@cft.edu.pl
Publikováno v:
Acta Physica Polonica: A. Jun2023, Vol. 143 Issue 6, pS123-S130. 8p.
Publikováno v:
Int. J. Mod. Phys. D18: 1801,2009
The general exact solution of the Einstein-matter field equations describing spherically symmetric shells satisfying an equation of state in closed form is discussed under general assumptions of physical reasonableness. The solutions split into two c
Externí odkaz:
http://arxiv.org/abs/gr-qc/0512089
Publikováno v:
J.Phys.A38:5359-5377,2005
The structure of the observable algebra ${\mathfrak O}_{\Lambda}$ of lattice QCD in the Hamiltonian approach is investigated. As was shown earlier, ${\mathfrak O}_{\Lambda}$ is isomorphic to the tensor product of a gluonic $C^{*}$-subalgebra, built f
Externí odkaz:
http://arxiv.org/abs/hep-th/0412143
Publikováno v:
Phys.Rev. D70 (2004) 124010
Hamiltonian dynamics of gravitational field contained in a spacetime region with boundary $S$ being a null-like hypersurface (a wave front) is discussed. Complete Hamiltonian formula for the dynamics (with no surface integrals neglected) is derived.
Externí odkaz:
http://arxiv.org/abs/gr-qc/0412042
Publikováno v:
J.Geom.Phys. 55 (2005) 137-178
The stratified structure of the configuration space $\mb G^N = G \times ... \times G$ reduced with respect to the action of $G$ by inner automorphisms is investigated for $G = SU(3) .$ This is a finite dimensional model coming from lattice QCD. First
Externí odkaz:
http://arxiv.org/abs/hep-th/0409297
Publikováno v:
in Relativity Today (Proc. 7th Hungarian Relativity Workshop, 2003) Ed. I. Racz, (Akad\'emiai Kiad\'o, Budapest, 2004)
Hamiltonian description of gravitational field contained in a spacetime region with boundary $S$ being a null-like hypersurface (a wave front) is discussed. Complete generating formula for the Hamiltonian dynamics (with no surface integrals neglected
Externí odkaz:
http://arxiv.org/abs/gr-qc/0405073
Autor:
Kijowski, J., Rudolph, G.
Publikováno v:
J.Math.Phys. 46 (2005) 032303
We study quantum chromodynamics (QCD) on a finite lattice $\Lambda$ in the Hamiltonian approach. First, we present the field algebra ${\mathfrak A}_{\Lambda}$ as comprising a gluonic part, with basic building block being the crossed product $C^*$-alg
Externí odkaz:
http://arxiv.org/abs/hep-th/0404155
Autor:
Kijowski, J., Podles, P.
Publikováno v:
J. Geom. Phys. 48 (2003), 369-384
We define and compute the renormalized four-momentum of the composed physical system: classical Maxwell field interacting with charged point particles. As a `reference' configuration for the field surrounding the particle, we take the Born solution.
Externí odkaz:
http://arxiv.org/abs/physics/0304056
Publikováno v:
Annales Henri Poincare 4 (2003) 1137-1167
The lattice model of scalar quantum electrodynamics (Maxwell field coupled to a complex scalar field) in the Hamiltonian framework is discussed. It is shown that the algebra of observables ${\cal O}({\Lambda})$ of this model is a $C^*$-algebra, gener
Externí odkaz:
http://arxiv.org/abs/hep-th/0203214