This chapter is part of a book that is no longer available to purchase from Cambridge Core Among the quantum states of open strings attached to a D-brane we found photon states with polarizations and ...

Toumbas, Nicolaos and Troost, Jan 2004. A time-dependent brane in a cosmological background. Journal of High Energy Physics, Vol. 2004, Issue. 11, p. 032.

I used a variable tension brane model and also simultaneously promoted ... To make us comfortable, some modified gravity theory, such as Brans-Dicke's theory, also promotes Newton's constant ...