We consider a generalization of the quintessence type scalar field cosmological models, by adding multiplicative dissipative term in Lagrangian, which generally is represented an exponential form. The generalized Klein-Gordon equation obtained general covariant form Riemann geometry, from variational principle with help Euler-Lagrange equations. energy-momentum tensor also and its properties ar...

The gradual development of the US missile defense shield from Europe to the Persian Gulf region over the past decade and the deployment of radar components and defenses of this project, both in the Persian Gulf region and in its floating zone, have plenty implications for regional and international systems and has aggravated the fragile security of the Persian Gulf region. Some issues such as t...