IPM Positions

Senior Fellow, School of Astronomy (2012 - Present )

Past IPM Positions

Head, School of Astronomy (2007 - 2012)

Non IPM Affiliations

Professor of Sharif University of Technology

Related Papers

1.	S. Khakshournia and R. Mansouri Revisiting Effective Einstein Equations on a 3-Brane in the Presence of Torsion Gravitation and Cosmology 29 (2022),   [abstract] Code: IPM/A-2022/45

2.	S. Khakshournia and R. Mansouri Revisiting the Israel junction conditions in Einstein–Cartan gravity Modern Physics D 29 (2020),   [abstract] Code: IPM/A-2020/09

3.	S. Khakshournia and R. Mansouri On the stress energy tensor of a null shell in Einstein Cartan gravity Classical Quant. Grav. 36 (2019),   [abstract] Code: IPM/A-2019/24

4.	A. Allahyari, J. T. Firouzjaee and R. Mansouri Nonlinear phenomena in general relativity Springer (2018),   [abstract] Code: IPM/A-2018/21

5.	. Javadinezhad, . Taghizadeh Firouzjaee and . Mansouri Relativistic virial relation for cosmological structures Phys. Rev. D (2016),   [abstract] Code: IPM/A-2015/15

6.	A. Alireza Allahyari, J. Firouzjaee and R. Mansouri Gravitational collapse in the AdS background and the black hole formation Int. Journal of Modern Physics D 25 (2016),   [abstract] Code: IPM/A-2014/01

7.	R. Moradi, J. T. Firouzjaee and R. Mansouri Cosmological black holes: the spherical perfect fluid collapse with pressure in a FRW background Classical Quant. Grav. 32 (2015),   [abstract] Code: IPM/A-2015/03

8.	F. Bagheri and R. Mansouri The symmetry of the energy momentum tensor does not necessarily reflect the space-time symmetry: a viscous axially symmetric cosmological solution arXiv (2014), 9  [abstract] Code: IPM/A-2014/57

9.	M.H. Razbin, J.T. Firouzjaee and R. Mansouri Relativistic rotation curve for cosmological structures Int. Journal of Modern Physics D 23 (2014), 8  [abstract] Code: IPM/A-2014/47

10.	P. Dadras, J. Tafhizadeh Firouzjaee and R. Mansouri A concrete anti-de Sitter black hole with dynamical horizon having toroidal cross-sections and its characteristics Europhys. Lett. 100 (2012), 39001  [abstract] Code: IPM/A-2012/50

11.	R. Moradi, J. Taghizadeh Firouzjaee and R. Mansouri The spherical perfect fluid collapse in the cosmological background Modern Physics D 21 (2012),   [abstract] Code: IPM/A-2012/27

12.	J.T. Firouzjaee, M. Parsi Mood and R. Mansouri Do we know the mass of a black hole? Mass of some cosmological black hole models General Relativity and Gravitation 44 (2012), 639-656  [abstract] Code: IPM/A-2012/25

13.	S. Ghassemi, S. Khoeini Moghaddam and R. Mansouri Lensing effects in inhomogeneous cosmological models Phys. Rev. D 79 (2009), 102002  [abstract]

14.	. Khakshournia and . Mansouri Matching LTB and FRW Space- Times Through a Null Hypersurface Gravitation and Cosmology 14 (2008), 295-300  [abstract] Code:

15.	Sh. Khosravi, E. Kourkchi, R. Mansouri and Y. Akrami An Inhomogeneous Model Universe Behaving Homogeneously Gen. Relat. Gravit. 40 (2008), 1047-1069  [abstract] arXive.org link: astro-ph/0702282 [ abs, src, ps, others], cited by Code: IPM/P-2007/062

16.	S. Ghassemi, S. Khakshournia and R. Mansouri Generalized Friedmann Equations for A Finite Thick Brane JHEP 08 (2006), 019  [abstract] arXive.org link: gr-qc/0605094 [ abs, src, ps, others], cited by Code: IPM/P-2006/048

17.	R. Mansouri and M.R. Setare Holographic Thermodynamics on the Brane in Topological Reissner-Nordstrom de Sitter Space Int. J. Mod. Phys. A 18 (2003), 4443-4450  [abstract] arXive.org link: hep-th/0210252 [ abs, src, ps, others], cited by Code: IPM/P-2002/068

18.	S. Rahvar and R. Mansouri General Relativistic Relation Between Density Contrast and Peculiar Velocity Int. J. Mod. Phys. D 11 (2002), 321-336  [abstract] arXive.org link: astro-ph/9907041 [ abs, src, ps, others], cited by Code: IPM/P-1999/031

19.	M. R. Setare and R. Mansouri Casimir Stress on Parallel Plates in A De Sitter Space Classical Quant. Grav. 18 (2001), 2659-2663  [abstract] Code: IPM/P-2001/076

20.	S. Khakshournia and R. Mansouri Sign Function and Gluing of Space-Time Manifolds within the Distributional Method Gravitation and Cosmology 7 (2001), 261-268  [abstract] Code: IPM/P-2001/073

21.	R. Mansouri and S. Khakshournia Dynamics of General Relativistic Spherically Symmetric Thic Shells  (Preprint) [abstract] Code: IPM/P-2000/012

22.	R. Mansouri and K. Nozari A New Distributional Approach to Signature Change Gen. Relat. Gravit. 32 (2000), 253-269  [abstract] arXive.org link: gr-qc/9806007 [ abs, src, ps, others], cited by Code: IPM/P-1998/009

23.	S. Khakshournia and R. Mansouri Junction Equations for Two Most General Spherically Symmetric Spacetimes and the Distributional Method  (Preprint) [abstract] Code: IPM/P-1999/080

24.	R. Mansouri, F. Nasseri and M. Khorrami Effective Time Variation of G in A Model Universe with Variable Space Dimension Phys. Lett. A 259 (1999), 194-200  [abstract] arXive.org link: gr-qc/9905052 [ abs, src, ps, others], cited by Code: IPM/P-1999/025

25.	R. Mansouri and F. Nasseri A Model Universe with Variable Space Dimension: Its Dynamics and Wave Function Phys. Rev. D 60 (1999), 123512-1-22  [abstract] arXive.org link: gr-qc/9902043 [ abs, src, ps, others], cited by Code: IPM/P-1999/007

26.	R. Mansouri and K. Nozari Signature Change, Inflation and the Cosmological Constant  (Preprint) [abstract] arXive.org link: gr-qc/9806109 [ abs, src, ps, others], cited by Code: IPM/P-1998/015

27.	R. Mansouri and K. Nozari Lightlike Hypersurfaces of Discontinuity and Distributional Method  (Preprint) [abstract] Code: IPM/P-1998/008

28.	R. Mansouri and A. Nayeri Gravitational Coupling Constant in Arbitrary Dimensions Gravitation and Cosmology 4 (1998), 142-144  [abstract] arXive.org link: gr-qc/960961 [ abs, src, ps, others], cited by Code: IPM/P-1998/044

29.	R. Mansouri and K. Nozari Rotation of Plane of Polarization of An Electromagnetic Wave Propagation Over Cosmological Distances  (Preprint) [abstract] arXive.org link: gr-qc/9710028 [ abs, src, ps, others], cited by Code: IPM/P-1997/027

30.	M. Khorrami, R. Mansouri, M. Mohazzab and M.R. Ejtehadi A Model Universe with Variable Dimension: Expansion as Decrumpling  (Preprint) [abstract] arXive.org link: gr-qc/9507059 [ abs, src, ps, others], cited by Code: IPM/P-1996/005

31.	R. Mansouri and M. Khorrami The Equivalence of Darmois-Israel and Distributional Method for Thin Shells in General Relativity J. Math. Phys. 37 (1996), 5672-5683  [abstract] arXive.org link: gr-qc/9608029 [ abs, src, ps, others], cited by Code: IPM/P-1996/041

32.	R. Mansouri and M.M. Sheikh-Jabbari Bubble Growth in Flash Vacuum ( In: Proc. Of the VII Regional Conference on Mathematical Physics, Caspian Conference (1995), 153-162) [abstract] Code: IPM/P-1995/023