On the Perturbative Expansion around a Lifshitz Point
arXiv:0908.4429 · doi:10.1016/j.physletb.2009.11.053
Abstract
The quantum Lifshitz model provides an effective description of a quantum critical point. It has been shown that even though non--Lorentz invariant, the action admits a natural supersymmetrization. In this note we introduce a perturbative framework and show how the supersymmetric structure can be used to greatly simplify the Feynman rules and thus the study of the model.
12 pages
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- Non-Lorentzian RG flows and Supersymmetry
- Holomorphic Structure and Quantum Critical Points in Supersymmetric Lifshitz Field Theories
- Towards a unitary, renormalizable and ultraviolet-complete quantum theory of gravity
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- Note on nonsingular cyclic universes in the deformed Horava-Lifshitz gravity
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