Periodic Solutions to Klein–Gordon Systems with Linear Couplings

Affiliations

Chen Jianyi: Science and Information College, Qingdao Agricultural University, Qingdao266109, P. R. China
Zhang Zhitao: School of Mathematical Science, Jiangsu University, Zhenjiang212013; and HLM, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190; and School of Mathematical Sciences, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
Chang Guijuan: Science and Information College, Qingdao Agricultural University, Qingdao266109, P. R. China
Zhao Jing: Science and Information College, Qingdao Agricultural University, Qingdao266109, P. R. China

Abstract

In this paper, we study the nonlinear Klein–Gordon systems arising from relativistic physics and quantum field theories