# Field theory and $\lambda$-deformations: Expanding around the identity

23 Nov 2019 Georgiou George Sfetsos Konstantinos

We explore the structure of the $\lambda$-deformed $\sigma$-model action by setting up a perturbative expansion around the free field point corresponding to the identity group element. We include all field interaction terms up to sixth order... (read more)

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# Categories

• HIGH ENERGY PHYSICS - THEORY
• EXACTLY SOLVABLE AND INTEGRABLE SYSTEMS