2 papers
gr-qc2025
Relational Observables in Group Field Theory
Luca Marchetti, Edward Wilson-Ewing
We construct relational observables in group field theory (GFT) in terms of covariant positive operator-valued measures (POVMs), using techniques developed in the context of quantu…
gr-qc2025
An Exactly Soluble Group Field Theory
Luca Marchetti, Hassan Mehmood, Viqar Husain
We present a Group Field Theory (GFT) quantization of the Husain-KuchaÅ (HK) model formulated as a non-interacting GFT. We demonstrate that the path-integral formulation of this H…