Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/46207
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Type: | Journal article |
Title: | Vacuum structure revealed by over-improved stout-link smearing compared with the overlap analysis for quenched QCD |
Author: | Ilgenfritz, E. Leinweber, D. Moran, P. Koller, K. Schierholz, G. Weinberg, V. |
Citation: | Physical Review D: Particles, Fields, Gravitation and Cosmology, 2008; 77(7):0704502-01-0704502-12 |
Publisher: | American Physical Soc |
Issue Date: | 2008 |
ISSN: | 1550-7998 1550-2368 |
Statement of Responsibility: | E.-M. Ilgenfritz, D. Leinweber, P. Moran, K. Koller, G. Schierholz and V. Weinberg |
Abstract: | A detailed comparison is made between the topological structure of quenched QCD as revealed by the recently proposed over-improved stout-link smearing in conjunction with an improved gluonic definition of the topological density on one hand and a similar analysis made possible by the overlap-fermionic topological charge density both with and without variable ultraviolet cutoff $\lambda_{cut}$. The matching is twofold, provided by fitting the density-density two-point functions on one hand and by a point-by-point fitting of the topological densities according to the two methods. We point out the similar cluster structure of the topological density for moderate smearing and $200 \mathrm{MeV} < \lambda_{cut} < 600 \mathrm{MeV}$, respectively. We demonstrate the relation of the gluonic topological density for extensive smearing to the location of the overlap zero modes and the lowest overlap non-zero mode as found for the unsmeared configurations. |
Description: | A publisher's note exists for this article. Please see the DOI link below for details. |
Rights: | ©2008 American Physical Society |
DOI: | 10.1103/PhysRevD.77.074502 |
Published version: | http://dx.doi.org/10.1103/physrevd.77.074502 |
Appears in Collections: | Aurora harvest 6 Chemistry and Physics publications |
Files in This Item:
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hdl_46207.pdf | Published version | 9.53 MB | Adobe PDF | View/Open |
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