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gr-qc2026
Removability criterion for radiative corrections to the Starobinsky attractor in weakly nonlocal gravity
Ekapob Kulchoakrungsun, Phongpichit Channuie, Daris Samart
Radiative corrections at the percent level can shift the predictions of -attractor and Starobinsky-like models into the region of the plane preferred by ACT DR6. We sh…
gr-qc2026
Vector Perturbations in Ghost-Free Quasidilaton Massive Gravity
Ekapob Kulchoakrungsun, Daris Samart
We study transverse vector perturbations in ghost-free extended quasidilaton massive gravity without a quasidilaton kinetic term, in the presence of minimal matter. In vacuum, we r…
gr-qc2026
Reviving Motivated Inflationary Potentials with -inflation in the light of ACT
Milad Solbi, Daris Samart, Peera Simakachorn
Recent ACT data favor a higher scalar spectral index , placing models such as -attractor T-models and natural Inflation in tension with current observations. We propose a K…