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Scalar φ4 field theory for active-particle phase separation

✍ Scribed by Wittkowski, Raphael; Tiribocchi, Adriano; Stenhammar, Joakim; Allen, Rosalind J.; Marenduzzo, Davide; Cates, Michael E.

Book ID
125522393
Publisher
Nature Publishing Group
Year
2014
Tongue
English
Weight
801 KB
Volume
5
Category
Article
ISSN
2041-1723

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Optimized Expansion for the Effective Ac
Optimized Expansion for the Effective Action and Multi-particle States in the Scalar Quantum Field Theory
✍ A. Okopinska 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 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