Abstract
We study a strong-coupling expansion of a 4 quantum field theory with an O(N) internal symmetry. For large values of N we observe that there is a critical point in 2<D<4 dimensions and recover the known results for the two-point and the four-point Green's functions near the critical point, and for the critical exponent.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 887-894 |
| Number of pages | 8 |
| Journal | Physical Review D |
| Volume | 20 |
| Issue number | 4 |
| DOIs | |
| State | Published - 1979 |
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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