The crucial role of the mass renormalization condition leading to spontaneous symmetry breaking in λΦ4 theory is discussed. By using the renormalization group equations and a variational estimate of the ground state energy, it is suggested that massless λΦ4 theory in four dimensions is asymptotically free, not in contradiction with known rigorous results.
Asymptotic Freedom Of Massless Lambda Phi**4 Theories .
CASTORINA, Paolo
Primo
;
1990-01-01
Abstract
The crucial role of the mass renormalization condition leading to spontaneous symmetry breaking in λΦ4 theory is discussed. By using the renormalization group equations and a variational estimate of the ground state energy, it is suggested that massless λΦ4 theory in four dimensions is asymptotically free, not in contradiction with known rigorous results.File in questo prodotto:
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