Nonlocal field correlators on the lattice in HP1 σ-model

Connected two-point field strength correlators have been measured on the lattice in quaternionic projective σ-model of pure SU (2) Yang-Mills theory. The correlation lengths, extracted from the exponential fit for these correlators, are found to be γ 1 −1 = 1.40(3) GeV and γ −1 = 1.51(3) GeV in good...

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Veröffentlicht in:	JETP letters 2009-09, Vol.90 (2), p.85-89
Hauptverfasser:	Orlovsky, V. D., Shevchenko, V. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	Atomic Biological and Medical Physics Biophysics Fields Molecular Nuclei Optical and Plasma Physics Particle and Nuclear Physics Particles Physics Physics and Astronomy Quantum Information Technology Solid State Physics Spintronics
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Zusammenfassung:	Connected two-point field strength correlators have been measured on the lattice in quaternionic projective σ-model of pure SU (2) Yang-Mills theory. The correlation lengths, extracted from the exponential fit for these correlators, are found to be γ 1 −1 = 1.40(3) GeV and γ −1 = 1.51(3) GeV in good agreement with other existing calculations. The dependence of bilocal functions on the connector shape was studied.
ISSN:	0021-3640 1090-6487
DOI:	10.1134/S002136400914001X