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6 papers · 1 filter
Charged Rotating Dilaton Black Strings
M. H. Dehghani, N. Farhangkhah
In this paper we, first, present a class of charged rotating solutions in four-dimensional Einstein-Maxwell-dilaton gravity with zero and Liouville-type potentials. We find that th…
Photometric Observation And Period Study of GO Cygni
S. M. Zabihinpoor, A. Dariush, N. Riazi
Photometric observations of GO Cyg were performed during the July-October 2002, in B and V bands of Johnson system. Based on Wilson's model, the light curve analysis were carried o…
Photometric Observation and Apsidal motion Study of V1143 Cyg
A. Dariush, N. Riazi, A. Afroozeh
Photometric observations of the eccentric eclipsing binary V1143 Cygni were performed during the August-September 2000 and July 2002, in B and V bands of the Johnson system. The an…
Magnetic Strings in Dilaton Gravity
M. H. Dehghani
First, I present two new classes of magnetic rotating solutions in four-dimensional Einstein-Maxwell-dilaton gravity with Liouville-type potential. The first class of solutions yie…
Asymptotically (anti)-de Sitter solutions in Gauss-Bonnet gravity without a cosmological constant
M. H. Dehghani
In this paper we show that one can have asymptotically de Sitter (dS), anti-de Sitter (AdS) and flat solutions in Gauss-Bonnet gravity without any need to a cosmological constant t…
Accelerated Expansion of the Universe in Gauss-Bonnet Gravity
M. H. Dehghani
We show that in Gauss-Bonnet gravity with negative Gauss-Bonnet coefficient and without a cosmological constant, one can explain the acceleration of the expanding Universe. We firs…