Soft fermionic modes in chiral- and super-symmetries at positive temperature

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Abstract

The conformally invariant Wess-Zumino model is studied at various levels of approximation at positive temperature. It is found that the bosons acquire a mass of order gT, whereas due to chiral symmetry the fermion exhibits the soft dispersion relation ω = 1 3k for momenta much less than g2T. Weak-coupling but non-perturbative methods are needed to obtain this result.

Original languageEnglish (US)
Pages (from-to)343-346
Number of pages4
JournalPhysics Letters B
Volume118
Issue number4-6
DOIs
StatePublished - Dec 9 1982
Externally publishedYes

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