Abstract
The contribution of Lorentz nonscalar operators to finite temperature correlation functions is discussed. Using the local duality approach for the one-pion matrix element of a product of two vector currents, the temperature dependence of the average gluonic stress tensor is estimated in the chiral limit to be E2+B2T=(π210)bT4. At a normalization point μ=0.5 GeV we obtain b1.1. Together with the known temperature dependence of the Lorentz scalar gluon condensate we are able to infer E2T and B2T separately in the low-temperature hadronic phase.
Original language | English (US) |
---|---|
Pages (from-to) | 4084-4090 |
Number of pages | 7 |
Journal | Physical Review D |
Volume | 47 |
Issue number | 9 |
DOIs | |
State | Published - 1993 |