• 3
  • 3
  • 82
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IPM
30
YEARS OLD

“Hassan Firouzjahi”

Tel:  +98 21 26130674-5
Fax:  +98 21 22827309
Email: 

IPM Positions

Head, School of Astronomy
(2017 - Present )

Professor, School of Astronomy
(2012 - Present)

Past IPM Positions

Faculty Member , School of Physics
(2008 - 2012)

Research Interests

Early Universe Cosmology, Inflation, Cosmological Perturbation Theory, High Energy Physics

Related Papers

1. Hassan . Firouzjahi, Mohammad Ali . Gorji, Seyed Ali . Hosseini Mansoori, Asieh . Karami and Tahereh . Rostami
Charged Vector Inflation
Phys. Rev. D 100 (2019),   [abstract]
   
Code: IPM/A-2019/18
2. Mohammad Ali . Gorji, Shinji . Mukohyama and Hassan . Firouzjahi
Cosmology in mimetic SU(2) gauge theory
JCAP 2019 (2019),   [abstract]
   
Code: IPM/A-2019/08
3. Soroush . Shakeri, Mohammad Ali . Gorji and Hassan . Firouzjahi
Schwinger Mechanism During Inflation
Phys. Rev. D 99 (2019),   [abstract]
   
Code: IPM/A-2019/04
4. Borna. Salehian and Hassan . Firouzjahi
Vacuum decay and bubble nucleation in f(R) gravity
Phys. Rev. D 99 (2019),   [abstract]
   
Code: IPM/A-2018/25
5. Hassan. Firouzjahi, Amin. Nassiri-Rad and Mahdiyar. Noorbala
Stochastic Ultra Slow Roll Inflation
JCAP 2019 (2019),   [abstract]
   
Code: IPM/A-2018/24
6. Alireza. Allahyari, Hassan. Firouzjahi and Bahram. Mashhoon
Quasinormal Modes of a Black Hole with Quadrupole Moment
Phys. Rev. D 99 (2019),   [abstract]
   
Code: IPM/A-2018/23
7. Ali Akbar. Abolhasani, Hassan. Firouzjahi, Atsushi. Naruko and Misao. Sasaki
Basic formulation of δN formalism
world scientific (2019), 184  [abstract]
   
Code: IPM/A-2018/22
8. Mahdiyar. Noorbala, Vincent . Vennin, Hooshyar. Assadullahi, Hassan. Firouzjahi and David . Wands
Tunneling in stochastic inflation
JCAP 2018 (2018),   [abstract]
   
Code: IPM/A-2018/27
9. Hassan. Firouzjahi, Mohammad Ali. Gorji, Seyed Ali . Hosseini Mansoori, Asieh. Karami and Tahereh. Rostami
Two-field disformal transformation and mimetic cosmology
JCAP 2018 (2018),   [abstract]
   
Code: IPM/A-2018/26
10. Mohammad Ali. Gorji, Shinji. Mukohyama, Hassan. Firouzjahi and Seyed Ali. Hosseini Mansoori
Gauge field mimetic cosmology
JCAP 2018 (2018),   [abstract]
   
Code: IPM/A-2018/07
11. Moslem. Zarei, Hassan. Firouzjahi and Shinji. Mukohyama
Vector disformal transformation of cosmological perturbations
Phys. Rev. D 97 (2018),   [abstract]
   
Code: IPM/A-2017/36
12. Mohammad Ali. Gorji, Seyed Ali . Hosseini Mansoori and Hassan. Firouzjahi
Higher Derivative Mimetic Gravity
JCAP 2018 (2018),   [abstract]
   
Code: IPM/A-2017/35
13. Hassan. Firouzjahi, Sadra. Jazayeri, Asieh. Karami and Tahereh. Rostami
Bubble nucleation and inflationary perturbations
JCAP 2017 (2017),   [abstract]
   
Code: IPM/A-2017/34
14. Sadra. Jazayeri, Alireza. Vafaei Sadr and Hassan. Firouzjahi
Primordial anisotropies from cosmic strings during inflation
Phys. Rev. D 96 (2017),   [abstract]
   
Code: IPM/A-2017/27
15. Hassan. Firouzjahi, Mohammad Ali. Gorji and Ali. Hosseini Mansoori
Instabilities in Mimetic Matter Perturbations
JCAP (Submitted) [abstract]
   
Code: IPM/A-2017/07
16. Sadra. Jazayeri, Alireza. Vafaei Sadr and Hassan. Firouzjahi
Primordial anisotropies from cosmic strings during inflation
Phys. Rev. D (Submitted) [abstract]
   
Code: IPM/A-2017/06
17. Tahereh. Rostami, Asieh. Karami and Hassan. Firouzjahi
Effective field theory of statistical anisotropies for primordial bispectrum and gravitational waves
JCAP 2017 (2017), 31  [abstract]
   
Code: IPM/A-2017/46
18. Vincent. Vennin, Hooshyar. Assadullahi, Hassan. Firouzjahi, Mahdiyar. Noorbala and David. Wands
Critical Number of Fields in Stochastic Inflation
Phys. Rev. Lett. (2017),   [abstract]
   
Code: IPM/A-2016/12
19. Hassan. Firouzjahi
Primordial Universe Inside the Black Hole and Inflation
arXiv (2016), 23  [abstract]
   
Code: IPM/A-2016/27
20. Hooshyar. Assadullahi, Hassan. Firouzjahi, Mahdiyar. Noorbala, Vincent. Vennin and David. Wands
Multiple Fields in Stochastic Inflation
JCAP (2016),   [abstract]
   
Code: IPM/A-2016/13
21. Hassan. Firouzjahi, Asieh. Karami and Tahereh. Rostami
Primordial inhomogeneities from massive defects during inflation
JCAP (2016),   [abstract]
   
Code: IPM/A-2016/11
22. AliAkbar. Abolhasani, Mohammad. Akhshik, Razieh. Emami and Hassan. Firouzjahi
Primordial Statistical Anisotropies: The Effective Field Theory Approach
JCAP (2016),   [abstract]
   
Code: IPM/A-2015/22
23. farbod. Hassani, Shant. Baghram and Hassan. Firouzjahi
Lensing as a Probe of Early Universe: from CMB to Galaxies
JCAP 2016 (2016),   [abstract]
   
Code: IPM/A-2015/21
24. Razieh. Emami and Hassan. Firouzjahi
Clustering Fossil from Primordial Gravitational Waves in Anisotropic Inflation
JCAP (2015),   [abstract]
   
Code: IPM/A-2015/25
25. Simone. Aiola, Bingjie. Wang, Arthur. Kosowsky, Tina. Kahniashvili and Hassan. Firouzjahi
Microwave Background Correlations from Dipole Anisotropy Modulation
Phys. Rev. D (2015),   [abstract]
   
Code: IPM/A-2015/24
26. M. Akhshik, H. Firouzjahi and S. Jazayeri
Cosmological Perturbations and the Weinberg Theorem
JCAP 2015 (2015),   [abstract]
   
Code: IPM/A-2015/23
27. M. Akhshik, H. Firouzjahi and S. Jazayeri
Effective Field Theory of non-Attractor Inflation
JCAP (2015),   [abstract]
   
Code: IPM/A-2015/09
28. H. Assadullahi, H. Firouzjahi, M.H. Namjoo and D. Wands
CMB hemispherical asymmetry from non-linear isocurvature perturbations
JCAP 2015 (2015), 15  [abstract]
   
Code: IPM/A-2015/08
29. M.H. Namjoo, A.A. Abolhasani, H. Assadullahi, S. Baghram, H. Firouzjahi and D. Wands
Expected dipole asymmetry in CMB polarization
JCAP 2015 (2015), 10  [abstract]
   
Code: IPM/A-2015/07
30. Xingang. Chen, Razieh. Emami, Hassan. Firouzjahi and Yi. Wang
CMB statistical anisotropies of classical and quantum origins
JCAP 2015 (2015), 16  [abstract]
   
Code: IPM/A-2014/12
31. . Baghram, . Abolhasani, . Firouzjahi and . Namjoo
Fingerprints of Anomalous Primordial Universe on the Abundance of Large Scale Structures
JCAP (2014),   [abstract]
   
Code: IPM/A-2014/63
32. A. Abolhasani, S. Baghram, H. Firouzjahi and M.H. Namjoo
Asymmetric Sky from the Long Mode Modulations
Phys. Rev. D 89 (2014), 16  [abstract]
   
Code: IPM/A-2014/23
33. A. Abolhasani, R. Emami and H. Firouzjahi
Primordial Anisotropies in Gauged Hybrid Inflation
JCAP 2014 (2014), 21  [abstract]
   
Code: IPM/A-2014/20
34. R. Emami, H. Firouzjahi and M. Zarei
Anisotropic Inflation with the non-Vacuum Initial State
Phys. Rev. D (2014),   [abstract]
   
Code: IPM/A-2014/19
35. H. Firouzjahi and M.H. Namjoo
Jump in fluid properties of inflationary universe to reconcile scalar and tensor spectra
Phys. Rev. D 90 (2014), 12  [abstract]
   
Code: IPM/A-2014/18
36. X. Chen, R. Emami, H. Firouzjahi and Y. Wang
The TT, TB, EB and BB correlations in anisotropic inflation
JCAP (2014), 27  [abstract]
   
Code: IPM/A-2014/17
37. R. Emami, H. Firouzjahi and Y. Wang
Scalar-Tensor Anti-Cross-Correlation does not Help to Reconcile the Tension between BICEP2 and Planck
Phys. Rev. D (2014),   [abstract]
   
Code: IPM/A-2014/16
38. M. Akhshik, R. Emami, H. Firouzjahi and Y. Wang
Statistical Anisotropies in Gravitational Waves in Solid Inflation
JCAP (Accepted) [abstract]
   
Code: IPM/A-2014/15
39. M.H. Namjoo, A. Abolhasani, S. Baghram and H. Firouzjahi
CMB Hemispherical Asymmetry: Long Mode Modulation and non-Gaussianity
JCAP 2014 (2014), 11  [abstract]
   
Code: IPM/A-2014/14
40. S. Jazayeri, Y. Akrami, H. Firouzjahi, A. R. Solomon and Y. Wang
Inflationary power asymmetry from primordial domain walls
JCAP 2014 (2014), 22  [abstract]
   
Code: IPM/A-2014/11
41. H. Firouzjahi, J. - Ouk Gong and M.h. Namjoo
Scale-dependent hemispherical asymmetry from general initial state during inflation
JCAP 2014 (2014), 16  [abstract]
   
Code: IPM/A-2014/10
42. H.R. Afshar, H. Firouzjahi and S. Parvizi
dS solutions with co-dimension 2 branes in six dimensions
Class.Quant.Grav (2013),   [abstract]
   
Code: IPM/A-2014/25
43. M. Alishahiha, H. Firouzjahi, K. Koyama and M.H. Namjoo
Cosmological perturbations in inflationary models with anisotropic space-time scaling in a Lifshitz background
Phys. Rev. D (2013),   [abstract]
   
Code: IPM/A-2014/24
44. X. Chen, H. Firouzjahi, Eiichiro. Komatsu, M.H. Namjoo and M. Sasaki
In-in and δN calculations of the bispectrum from non-attractor single-field inflation
JCAP (2013),   [abstract]
   
Code: IPM/A-2014/22
45. A. Abolhasani, R. Emami, J. T. Firouzjaee and H. Firouzjahi
δN formalism in anisotropic inflation and large anisotropic bispectrum and trispectrum
JCAP (2013),   [abstract]
   
Code: IPM/A-2013/34
46. M.H. Namjoo, S. Baghram and H. Firouzjahi
Hemispherical Asymmetry and Local non-Gaussianity: a Consistency Condition
Phys. Rev. D (2013), 13  [abstract]
   
Code:
47. S. Baghram, M.H. Namjoo and H. Firouzjahi
Large Scale Anisotropic Bias from Primordial Non-Gaussianity A-2013/23
JCAP 2013 (2013),   [abstract]
   
Code: IPM/A-2013/23
48. C. Xingang, H. Firouzjahi, M.H. Namjoo and M. Sasaki
A single field inflation model with large local non-Gaussianity
Europhys. Lett. 102 (2013),   [abstract]
   
Code: IPM/A-2012/21
49. X. Chen, H. Firouzjahi, M.H. Namjoo and . Sasaki
Fluid Inflation
JCAP (2013), 13  [abstract]
   
Code: IPM/A-2013/25
50. . Assadullahi, . Firouzjahi, M.H. Namjoo and D. Wands
Modulated curvaton decay
JCAP (2013), 041  [abstract]
   
Code: IPM/A-2012/24
51. R. Emami and H. Firouzjahi
Curvature Perturbations in Anisotropic Inflation with Symmetry Breaking
JCAP (2013),   [abstract]
   
Code: IPM/A-2012/017
52. . Namjoo, . Sasaki and . Firouzjahi
Violation of non-Gaussianity consistency relation in a single field inflationary model
Europhys. Lett. 101 (2013), 39001  [abstract]
   
Code: IPM/A-2012/015
53. H. Firouzjahi, A. Green, K. Malik and M. Zarei
The Effect of Curvaton Decay on the Primordial Power Spectrum
Phys. Rev. D (2012),   [abstract]
   
Code: IPM/A-2012/014
54. H. Assadullahi, H. Firouzjahi, M. Namjoo and D. Wands
Curvaton and the inhomogeneous end of inflation
JCAP (2012), 024  [abstract]
   
Code: IPM/A-2012/012
55. M. Namjoo, H. Firouzjahi and M. Sasaki
Multiple Inflationary Stages with Varying Equation of State
JCAP (2012), 018  [abstract]
   
Code: IPM/A-2012/012
56. A. Abolhasai, H. Firouzjahi and M. Noorbala
Effects of Variable Newton Constant During Inflation
Phys. Rev. D 86 (2012),   [abstract]
   
Code: IPM/A-2012/010
57. A. A. Abolhasani, H. Firouzjahi, Sh. Khosravi and M. Sasaki
Local Features with Large Spike non-Gaussianities during Inflation
JCAP 11 (2012), 012  [abstract]
   
Code: IPM/P-2012/011
58. R. Emami and H. Firouzjahi
Issues on Primordial Anisotropies Generated at the End of Inflation
 (Preprint) [abstract]
   
arXive.org link: arXiv:1111.1919 [ abs, src, ps, others], cited by
Code: IPM/P-2011/049
59. A. A. Abolhasani, H. Firouzjahi and M. Sasaki
Curvature Perturbation and Waterfall Dynamics in Hybrid Inflation
JCAP 10 (2011), 015  [abstract]
   
arXive.org link: 1106.6315 [ abs, src, ps, others], cited by
Code: IPM/P-2011/003
60. M. Alishahiha, H. Firouzjahi and M.H. Namjoo
DBI Lifshitz Inflation
JCAP 08 (2011), 028  [abstract]
   
arXive.org link: 1103.2919 [ abs, src, ps, others], cited by
Code: IPM/P-2011/006
61. H. Firouzjahi and S. Khoeini-Moghaddam
Fields Annihilation and Particles Creation in DBI Inflation
JCAP 1102 (2011), 012  [abstract]
   
arXive.org link: arXiv:1011.4500 [ abs, src, ps, others], cited by
Code: IPM/P-2010/047
62. A.A. Abolhasani, H. Firouzjahi and M.H. Namjoo
Curvature Perturbations and non-Gaussianities from Waterfall Phase Transition during Inflation
Classical Quant. Grav. 28 (2011), 075009   [abstract]
   
arXive.org link: arXiv:1010.6292 [ abs, src, ps, others], cited by
Code: IPM/P-2010/044
63. R. Emami, H. Firouzjahi, S.M.S. Movahed and M. Zarei
Anisotropic Inflation from Charged Scalar Fields
JCAP 1102 (2011), 005   [abstract]
   
arXive.org link: arXiv:1010.5495 [ abs, src, ps, others], cited by
Code: IPM/P-2010/043
64. A.A. Abolhasani and H. Firouzjahi
No Large Scale Curvature Perturbations during Waterfall of Hybrid Inflation
Phys. Rev. D 83 (2011), 063513   [abstract]
   
arXive.org link: arXiv:1005.2934 [ abs, src, ps, others], cited by
Code: IPM/P-2010/018
65. F. Firouzjahi, S. Khoeini-Moghaddam and S. Khosravi
Cosmic Strings Collision in Cosmological Backgrounds
Phys. Rev. D 81 (2010), 123506  [abstract]
   
arXive.org link: arXiv:1004.0068 [ abs, src, ps, others], cited by
Code: IPM/P-2010/019
66. D . Battefeld, T. Battefeld, H. Firouzjahi and N. Khosravi
Brane Annihilations during Inflation
JCAP 07 (2010), 009  [abstract]
   
arXive.org link: arXiv:1004.1417 [ abs, src, ps, others], cited by
Code: IPM/P-2010/013
67. A.A. Abolhasani, H. Firouzjahi and M.M. Sheikh-Jabbari
Tachyonic Resonance Preheating in Expanding Universe
Phys. Rev. D 81 (2010), 043524  [abstract]
   
Code: IPM/P-2009/052
68. A. Ashoorioon,, H. Firouzjahi and M.M. Sheikh-Jabbari
Matrix Inflation and the Landscape of its Potential
JCAP 05 (2010), 002  [abstract]
   
arXive.org link: arXiv:0911.4284 [ abs, src, ps, others], cited by
Code: IPM/P-2009/049
69. R. Emami, H. Firouzjahi and M. Sadegh Movahed
Inflation from Charged Scalar and Primordial Magnetic Fields?
Phys. Rev. D 81 (2010), 083526  [abstract]
   
arXive.org link: arXiv:0908.4161 [ abs, src, ps, others], cited by
Code: IPM/P-2009/044
70. H. Firouzjahi, J. Karouby, S. Khosravi and R. Brandenberger
Zipping and Unzipping of Cosmic String Loops in Collision
Phys. Rev. D 80 (2009), 083508  [abstract]
   
arXive.org link: arXiv:0907.4986 [ abs, src, ps, others], cited by
Code: IPM/P-2009/043
71. A. Ashoorioon , H. Firouzjahi and M.M. Sheikh-Jabbari
M-Flation: Inflation From Matrix Valued Scalar Fields
JCAP 06 (2009), 018  [abstract]
   
arXive.org link: arXiv:0903.1481 [ abs, src, ps, others], cited by
Code: IPM/P-2009/009
72. R. Brandenberger, H . Firouzjahi, J. Karouby and S. Khosravi
Gravitational Radiation by Cosmic Strings in a Junction
JCAP 01 (2009), 008  [abstract]
   
arXive.org link: arXiv:0810.4521 [ abs, src, ps, others], cited by
Code: IPM/P-2008/060
73. F . Chen and H. Firouzjahi
Dynamics of D3-D7 Brane Inflation in Throats
JHEP 11 (2008), 017  [abstract]
   
arXive.org link: arXiv:0807.2817 [ abs, src, ps, others], cited by
Code: IPM/P-2008/059
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