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Effective field theory for hydrodynamics: Thermodynamics, and the derivative expansion

✍ Scribed by Dubovsky, Sergei; Hui, Lam; Nicolis, Alberto; Son, Dam Thanh


Book ID
121724707
Publisher
The American Physical Society
Year
2012
Tongue
English
Weight
164 KB
Volume
85
Category
Article
ISSN
1550-7998

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Optimized Expansion for the Effective Ac
✍ A. Okopinska πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 768 KB

The optimized expansion for the effective action in quantum field theory is discussed to second order. As an example we use the scalar quantum field theory with \(\lambda \phi^{4}\) interaction in one-dimensional space-time, which is equivalent to quantum mechanics of the anharmonic ascillator. The