Haridev S R: RG studies of scalar-field models of long-range interactions
In this work, we study long-range interactions in non-gravitational field theories and their behaviour in the deep infrared. To model such effects, we consid...
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Sarben Sarkar: The axion coupling could accelerate the Universe through PT-symmetric phases
The conjecture by Mavromatos and Sarkar that a PT-symmetric phase plays a role in understanding singular renormalisation group (RG) flows for a Chern-Simons ...
Gabriel Assant: Towards theory constraints on ultralight dark matter from quantum gravity
Ultralight scalar dark matter may couple to the Standard Model through dimension-five operators that contain the field-strength tensors of the gauge interact...
Francesco Del Porro: Charting GLOBs in Asymptotically Safe Gravity
Computing the gravitational effective action provides a direct route to charting the landscape of admissible black hole spacetimes and their alternatives, co...