Nambu-Goto string without tachyons between a heavy and a light quark — real interquark potential at all distances

1996/01/31 by H. Kleinert, G. Lambiase, Gaetano Lambiase +1
Physics and Astronomy · #Black Holes and Theoretical Physics #Cosmology and Gravitation Theories #Quantum Electrodynamics and Casimir Effect #hep-th

paper · pdf · doi:10.1016/0370-2693(96)00791-5

published as Phys.Lett. B384 (1996) 213-217 · Texfile + fig.tex +fig.eps, http://www.physik.fu-berlin.de/./kleinert.html

openalex publication_date 1996/09/01 · arxiv created 1998/10/22 · arxiv updated 2009/11/30 · openalex created_date 2020/11/23 · openalex updated_date 2026/07/02

Abstract

We point out that in infinite spacetime dimensions, the singularity in the interquark potential at small distances disappears if the string is anchored at one end to a heavy quark, at the other end to a light quark. This suggests that if quarks are placed at the end of strings some unphysical features such as tachyon states may be absent also in in finite dimensions.

Citations

• Evidence for Negative Stiffness of QCD Strings
• The Casimir effect