Kaluza-Klein Cosmology With Modified Holographic Dark Energy
  We investigate the compact Kaluza-Klein cosmology in which modified holographic dark energy is interacting with dark matter. Using this scenario, we evaluate equation of state parameter as well as equation of evolution of the modified holographic dark energy. Further, it is shown that the generalized second law of thermodynamics holds without any constraint. 
M. Sharif and Farida Khanum
gr-qc