Electronic Resource
Springer
The European physical journal
24 (1984), S. 87-92
ISSN:
1434-6052
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract Theλφ 4 theory in 3+1 dimensions is often claimed to be trivial; that is, either free or inconsistent. Here, the theory is studied in a simple variational approach, which confirms that for any positiveλ Bare the theory is indeed sick. However, proper renormalization actually requiresλ Bare to be negative infinitesimal. This apparently leads to a viable, non-trivial theory.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01576292
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