Vacuum behavior in quantum chromodynamics. II
Mark ClaudsonLyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts 02138A. YıldızLyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts 02138Paul H. CoxLyman Laboratory of Physics, Harvard University, Cambridge, Massachusetts 02138
1980en
ABI
Аннотация
Vacuum polarization contributions due to fermions or scalars produced by gluon background-field fluctuations indicate vacuum instability in quantum chromodynamics; the instability is quantitatively related to pair-creation processes. The results extend previous work on gluonic contributions, and generalize the similar quantum-electrodynamic results of Euler and Heisenberg and Schwinger.
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