Chaplygin gas inspired warm inflation and swampland conjectures through various scalar potentials  

作　　者：Abdul Jawad Nadeem Azhar Shama Sadiq Shamaila Rani 

机构地区：[1]Institute for Theoretical Physics and Cosmology,Zhejiang University of Technology,Hangzhou 310023,China [2]Department of Mathematics,COMSATS University Islamabad,Lahore Campus,Lahore-54000,Pakistan [3]Department of Mathematics,National University of Modern Languages(NUML),Lahore Campus,Lahore-54000,Pakistan

出　　处：《Chinese Physics C》2024年第9期254-273,共20页中国物理C（英文版）

摘　　要：In this paper,we analyze inflationary parameters and swampland conjectures in the presence of a scalar field and Chaplygin models.We examine inflationary parameters,such as slow-roll parameters,scalar and tensor power spectra,spectral index,and tensor-to-scalar ratio,in the presence of a scalar field and Chaplygin gas models.We also discuss recently proposed swampland conjectures.We assume that the inflationary expansion is driven by a standard scalar field with a decay ratioΓthat has a generic power-law dependence on the scalar field 0 and that the temperature of the thermal bath T is given byΓ(φ,T)=C_(φ)T^(a)/φ^(a-1),where C_(φ)is a dimensionless parameter and a is the inflation decay rate.In a scenario where our model operates within a robust dissipative environment(R>>1),we analyze both fundamental and perturbative dynamics to extract key inflationary parameters.These include the scalar power spectrum P_(R),dissipative ratio R,scalar spectral index n_(s),tensor-to-scalar ratio r,running of the scalar spectral index dn_s/dlnk,and generalized ratio of the swampland de-Sitter conjecture T'V/V'T for three different potentials.

关 键 词：warm inflation swampland conjectures scalar potentials inflationary parameters 

分 类 号：P159[天文地球—天文学]