Volume dependence of the long-range two-body potentials in various color channels by lattice QCD
Physical Review D - Particles, Fields, Gravitation and Cosmology Volume 77 Issue 3
Page 34015-
published_at 2008-02
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| File | |
| Title ( eng ) |
Volume dependence of the long-range two-body potentials in various color channels by lattice QCD
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| Creator |
Nakagawa Y.
Saito T.
Toki H.
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| Source Title |
Physical Review D - Particles, Fields, Gravitation and Cosmology
|
| Volume | 77 |
| Issue | 3 |
| Start Page | 34015 |
| Abstract |
We study the color-dependent confining forces between two quarks by the quenched lattice simulations of Coulomb gauge QCD. The color-singlet and color-antitriplet instantaneous potentials yield attractive forces. The ratio of the string tensions obtained from them is approximately 2, and these tensions have little volume dependence. Meanwhile the color-octet and color-sextet channels give a minor contribution to the two-quark system. We finally find that the infrared self-energy of the color-nonsinglet channels diverges in the infinite volume limit; however, the degree of the divergence on the finite lattice can be understood in terms of color factors.
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| NDC |
Physics [ 420 ]
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| Language |
eng
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| Resource Type | journal article |
| Publisher |
The American Physical Society
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| Date of Issued | 2008-02 |
| Rights |
Copyright (c) 2008 The American Physical Society
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 1550-7998
[DOI] 10.1103/PhysRevD.77.034015
[NCID] AA00773624
[DOI] http://dx.doi.org/10.1103/PhysRevD.77.034015
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