2 papers
gr-qc2026
Action-level characterization of gravitational-wave propagation in dynamical Barbero--Immirzi gravity
Zhi-Fu Gao, Hui Wang, Luiz Carlos Garcia de Andrade +3
We investigate which operators in first-order dynamical Barbero--Immirzi (BI) gravity control cosmological tensor propagation at the action level. Within a bosonic, two-derivative,…
gr-qc2026
Dynamical Barbero--Immirzi field coupled to quintessence: gravitational-wave propagation constraints and next-generation forecasts
Zhi-Fu Gao, Hui Wang, Luiz Carlos Garcia de Andrade +3
We investigate the imprints of a dynamical Barbero--Immirzi (BI) field coupled to a quintessence scalar field on gravitational-wave (GW) propagation. In the framework of…