175 citations · 1.6k across the 58 of their papers we have counts for
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Spontaneously Breaking Non-Abelian Gauge Symmetry in Non-Hermitian Field Theories
Jean Alexandre, John Ellis, Peter Millington +1
We generalise our previous formulation of gauge-invariant PT-symmetric field theories to include models with non-Abelian symmetries and discuss the extension to such models of the…
A new functional RG flow: regulator-sourced 2PI versus average 1PI
Elizabeth Alexander, Peter Millington, Jordan Nursey +1
We derive the renormalization group evolution of the quartic scalar theory with spontaneous symmetry breaking from an alternative flow equation, obtained within the externally sour…
Alternative flow equation for the functional renormalization group
Elizabeth Alexander, Peter Millington, Jordan Nursey +1
We derive an alternative to the Wetterich-Morris-Ellwanger equation by means of the two-particle irreducible (2PI) effective action, exploiting the method of external sources due t…
Visualising quantum effective action calculations in zero dimensions
Peter Millington, Paul M. Saffin
We present an explicit treatment of the two-particle-irreducible (2PI) effective action for a zero-dimensional quantum field theory. The advantage of this simple playground is that…
Fifth forces and discrete symmetry breaking
Peter Millington
Modifications of general relativity often involve coupling additional scalar fields to the Ricci scalar, leading to scalar-tensor theories of Brans-Dicke type. If the additional sc…