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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Does massless QCD have vacuum energy?

B Holdom

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It is widely thought that this question has a positive answer, but we argue that the support for this belief from both experiment and theory is weak or nonexistent. We then list some of the ramifications of a negative answer.


PACS

12.38.-t Quantum chromodynamics

Subjects

Particle physics and field theory

Dates

Issue 5 (May 2008)

Received 22 December 2007

Published 29 May 2008



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