Random-lattice fermions have been shown to be free of the doubling problem if there are no interactions or interactions of a non-gauge nature. However, gauge interactions impose stringent constraints as expressed by the Ward-Takahashi identities which could revive the free-field suppressed doubler m
โฆ LIBER โฆ
Mathematical foundations of quantum field theory: Fermions, gauge fields, and supersymmetry part I: Lattice field theories
โ Scribed by David A. Edwards
- Publisher
- Springer
- Year
- 1981
- Tongue
- English
- Weight
- 721 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0020-7748
No coin nor oath required. For personal study only.
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The gauge independence of transition rates as opposed to the gauge invariance of the equations of motion and gauge dependence of operators and state vectors is critically examined and explicitly demonstrated, both in nonrelativistic quantum mechanics and quantum field theory. Time independent as wel