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“Qasem Exirifard”

Tel:  +98 21 22280692
Fax:  +98 21 22280415

IPM Positions

Resident Researcher, School of Physics
(2014 - 2016 )

Past IPM Positions

PostDoctoral Associate, School of Physics
(2006 - 2010)
(December 2006-December 2008 )

Research Interests

Mathematical aspects of string theories, application of string theories to gravity and cosmology and theory of elementary particles.Gravity and Cosmology, HEP

Research Activities

I study string theory and its applications to cosmology, theory of elementary particles and gravity. I have computed the worldsheet corrections to the entropy of black holes and T-duality in the Heterotic String Theories. Currently I am calculating the first non-trivial worldsheet corrections in II13 Theory to examin the validity of the OSV conjecture for the entropy of black holes.

Present Research Project at IPM

The perturbative world sheet corrections and the OSV conjecture

Related Papers

1. Q. Exirifard
Randers geometry as MOND/dark matter
JCAP 11 (2015), 026  [abstract]
Code: IPM/P-2015/052
2. Q. Exirifard
Triangular Ring Resonator: Direct measurement of the parity-odd parameters of the photon sector of SME
Int. J. Mod. Phys. D 23 (2015), 1450038  [abstract]
Code: IPM/P-2015/025
3. Q. Exirifard
GravitoMagnetic Force in Modified Newtonian Dynamics
JCAP 08 (2013), 046  [abstract]
Code: IPM/P-2011/062
4. Q. Exirifard
GravitoMagnetic Field in Tensor-Vector-Scalar Theory
JCAP 04 (2013), 034  [abstract]
Code: IPM/P-2011/061
5. Q. Exirifard
Lunar system constraints on the modified theories of gravity
Int. J. Mod. Phys. D 22 (2013), 09  [abstract]
Code: IPM/P-2011/060
6. Q. Exirifard
Measuring gravitational behavior at short distances in space: A local test for MOND/MOG
 (Preprint) [abstract]
Code: IPM/P-2013/010
7. Q. Exirifard
Physics in A General Length Space-Time Geometry: Call for Experimental Revision of the Light Speed Anisotropy
 (Preprint) [abstract]
Code: IPM/P-2013/004
8. Q. Exirifard
Visiting Horava-Lifshitz Gravity in Extra Dimensions
 (Preprint) [abstract]
Code: IPM/P-2009/051
9. Q. Exirifard
Generalized Lovelock Gravities
 (Preprint) [abstract]
Code: IPM/P-2009/047
10. Q. Exirifard
Constraints on f(RijklRijkl) Gravity: Evidence Against the Covariant Resolution of the Pioneer Anomaly
Classical Quant. Grav. 26 (2009), 025001  [abstract]
arXive.org link: arXiv:0708.0662 [ abs, src, ps, others], cited by
Code: IPM/P-2007/056
11. Q. Exirifard
Effectively Emergent Quantum Mechanics
 (Preprint) [abstract]
arXive.org link: arXiv:0811.4238 [ abs, src, ps, others], cited by
Code: IPM/P-2008/063
12. Q. Exirifard
Solar System Tests Do Not Rule Out 1/R Gravity
 (Preprint) [abstract]
arXive.org link: arXiv:0810.5430 [ abs, src, ps, others], cited by
Code: IPM/P-2008/057
13. Q. Exirifard
Phenomenological Covariant Aapproach to Gravity
 (Preprint) [abstract]
arXive.org link: arXiv:0808.1962 [ abs, src, ps, others], cited by
Code: IPM/P-2008/055
14. Q. Exirifard
Lower Bound on The Mass of A Black Hole
 (Preprint) [abstract]
arXive.org link: arXiv:0807.3246 [ abs, src, ps, others], cited by
Code: IPM/P-2008/054
15. Q. Exirifard and M.M. Sheikh-Jabbari
Lovelock Gravity at the Crossroads of Palatini and Metric Formulations
Phys. Lett. B 661 (2008), 158-161  [abstract]
arXive.org link: 0705.1879 [ abs, src, ps, others], cited by
Code: IPM/P-2007/028
16. Q. Exirifard
Word-Sheet Corrections to Dyons in String Theories: A Laboratory for the Strong OSV Conjecture
 (Preprint) [abstract]
arXive.org link: arXiv:0712.0714 [ abs, src, ps, others], cited by
Code: IPM/P-2007/025
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