1. A mathematical analysis of dressed photon in ground state of generalized quantum Rabi model using pair theory*We dedicate this paper to Pavel Exner and Herbert Spohn on the occasion of their 70th birthdays, and Klaus Hepp on the occasion of his 80th birthday. (5th April 2017) Authors: Hirokawa, Masao; Møller, Jacob S; Sasaki, Itaru Journal: Journal of physics Issue: Volume 50:Number 18(2017) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗