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001-es BibID:	BIBFORM088943
035-os BibID:	(cikkazonosító)043 (WoS)000168161500043 (Scopus)7044253644
Első szerző:	Hart, Alistair
Cím:	Z(2) monopoles in D = 2+1 SU(2) lattice gauge theory / Alistair Hart, Biagio Lucini, Mike Teper, Zsolt Schram
Dátum:	2000
ISSN:	1126-6708 1029-8479
Megjegyzések:	We calculate the euclidean action of a pair of Bbb Z2 monopoles (instantons), as a function of their spatial separation, in D = 2+1 SU(2) lattice gauge theory. We do so both above and below the deconfining transition at T = Tc. At high T, and at large separation, we find that the monopole 'interaction' grows linearly with distance: the flux between the monopoles forms a flux tube (exactly like a finite portion of a Bbb Z2 domain wall) so that the monopoles are linearly confined. At short distances the interaction is well described by a Coulomb interaction with, at most, a very small screening mass, possibly equal to the Debye electric screening mass. At low T the interaction can be described by a simple screened Coulomb (i.e. Yukawa) interaction with a screening mass that can be interpreted as the mass of a 'constituent gluon'. None of this is unexpected, but it helps to resolve some apparent controversies in the recent literature.
Tárgyszavak:	Természettudományok Fizikai tudományok idegen nyelvű folyóiratközlemény külföldi lapban folyóiratcikk Solitons Monopoles and Instantons Confinement Duality in Gauge Field Theories Lattice Gauge Field Theories
Megjelenés:	Journal of High Energy Physics. - 4 : 11 (2000), p. 1-13. -
További szerzők:	Lucini, Biagio Teper, Mike Schram Zsolt (1959-) (fizikus)
Pályázati támogatás:	OTKA T032501 OTKA
Internet cím:	DOI Intézményi repozitóriumban (DEA) tárolt változat
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