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gr-qc2026
Dynamics of potential-free warm -inflation with nonminimal derivative coupling
Xiao-Min Zhang, Zi-Xin Bai, Run-Qing Zhao +4
In contrast to potential-driven warm inflation models, this paper presents a new inflationary scenario driven purely by noncanonical kinetic terms. We derive the evolution equation…
gr-qc2026
Dynamics and observational signatures of warm Dirac-Born-Infeld inflation with nonminimal derivative coupling
Run-Qing Zhao, Xiao-Min Zhang, Peng-Cheng Chu +1
This paper investigates a warm Dirac-Born-Infeld (DBI) inflationary model with nonminimal derivative coupling (NMDC) to gravity, where the inflaton kinetic term interacts with the…