2 papers
gr-qc2026
Gravitational-wave propagation and standard sirens in dynamical Barbero--Immirzi gravity: an action-level analysis
Zhi-Fu Gao, Hui Wang, Luiz Carlos Garcia de Andrade +3
We develop an action-level framework for identifying which dynamical Barbero--Immirzi sectors can modify cosmological tensor propagation in a bosonic, two-derivative, curvature-lin…
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…