Vacuum energy and the fixed point of QED

Natale, A. A.

Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/132318

Title:

Vacuum energy and the fixed point of QED

Author(s):

Natale, A. A.

Institution:

Universidade Estadual Paulista (UNESP)

ISSN:

0370-2693

Abstract:

The vacuum energy of QED, as a function of the coupling constant α, is shown to have an absolute minimum at the critical coupling αc=π/3. The effect of chiral symmetry breaking diminishes as the coupling is increased. We argue that these aspects of the vacuum energy shall remain unaltered beyond the ladder approximation.

Issue Date:

1-Dec-1990

Citation:

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, v. 250, n. 1-2, p. 139-142, 1990.

Time Duration:

139-142

Publisher:

Elsevier B.V.

Source:

http://dx.doi.org/10.1016/0370-2693(90)91168-B

URI:

Access Rights:

Acesso restrito

Type:

outro

Source:

http://repositorio.unesp.br/handle/11449/132318

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