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“حسن فیروزجاهی”

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سمت در پژوهشگاه

رئیس، پژوهشکده نجوم
(1396 تا اکنون )

استاد، پژوهشکده نجوم
(1391 تا اکنون)

سمت‌های پیشین در پژوهشگاه

هیئت علمی، پژوهشکده فیزیک
(1387 تا 1391)


علایق پژوهشی

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

مقالات

1. Hassan . Firouzjahi, Asieh . Karami and Tahereh . Rostami
Vacuum decay in the presence of a cosmic string
Phys. Rev. D 101 (2020),   [abstract]   
Code: IPM/A-2020/12
2. Mohammad Ali . Gorji, Alireza . Allahyari, Mohsen . Khodadi and Hassan . Firouzjahi
Mimetic black holes
Phys. Rev. D 101 (2020),   [abstract]   
Code: IPM/A-2020/08
3. Alireza . Talebian, Amin . Nassiri-Rad and Hassan . Firouzjahi
Stochastic effects in anisotropic inflation
Phys. Rev. D 101 (2020),   [abstract]   
Code: IPM/A-2019/35
4. Alireza. Allahyari, Hassan. Firouzjahi and Bahram . Mashhoon
Quasinormal modes of generalized black holes: δ-Kerr spacetime
Classical Quant. Grav. 37 (2020),   [abstract]   
Code: IPM/A-2019/27
5. Hassan . Firouzjahi and Bahram . Mashhoon
Twisted gravitational waves in the presence of a cosmological constant
Phys. Rev. D 100 (2019),   [abstract]   
Code: IPM/A-2019/29
6. Mahdiyar Noorbala . Noorbala and Hassan . Firouzjahi
Boundary crossing in stochastic inflation with a critical number of fields
Phys. Rev. D 100 (2019),   [abstract]   
Code: IPM/A-2019/28
7. 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
8. Mohammad Ali . Gorji, Shinji . Mukohyama and Hassan . Firouzjahi
Cosmology in mimetic SU(2) gauge theory
JCAP 2019 (2019),   [abstract]   
Code: IPM/A-2019/08
9. Soroush . Shakeri, Mohammad Ali . Gorji and Hassan . Firouzjahi
Schwinger Mechanism During Inflation
Phys. Rev. D 99 (2019),   [abstract]   
Code: IPM/A-2019/04
10. 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
11. Hassan. Firouzjahi, Amin. Nassiri-Rad and Mahdiyar. Noorbala
Stochastic Ultra Slow Roll Inflation
JCAP 2019 (2019),   [abstract]   
Code: IPM/A-2018/24
12. 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
13. 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
14. Mahdiyar. Noorbala, Vincent . Vennin, Hooshyar. Assadullahi, Hassan. Firouzjahi and David . Wands
Tunneling in stochastic inflation
JCAP 2018 (2018),   [abstract]   
Code: IPM/A-2018/27
15. 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
16. 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
17. Moslem. Zarei, Hassan. Firouzjahi and Shinji. Mukohyama
Vector disformal transformation of cosmological perturbations
Phys. Rev. D 97 (2018),   [abstract]   
Code: IPM/A-2017/36
18. Mohammad Ali. Gorji, Seyed Ali . Hosseini Mansoori and Hassan. Firouzjahi
Higher Derivative Mimetic Gravity
JCAP 2018 (2018),   [abstract]   
Code: IPM/A-2017/35
19. Hassan. Firouzjahi, Sadra. Jazayeri, Asieh. Karami and Tahereh. Rostami
Bubble nucleation and inflationary perturbations
JCAP 2017 (2017),   [abstract]   
Code: IPM/A-2017/34
20. 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
21. Hassan. Firouzjahi, Mohammad Ali. Gorji and Ali. Hosseini Mansoori
Instabilities in Mimetic Matter Perturbations
JCAP (Submitted) [abstract]   
Code: IPM/A-2017/07
22. 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
23. 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
24. 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
25. Hassan. Firouzjahi
Primordial Universe Inside the Black Hole and Inflation
arXiv (2016), 23  [abstract]   
Code: IPM/A-2016/27
26. Hooshyar. Assadullahi, Hassan. Firouzjahi, Mahdiyar. Noorbala, Vincent. Vennin and David. Wands
Multiple Fields in Stochastic Inflation
JCAP (2016),   [abstract]   
Code: IPM/A-2016/13
27. Hassan. Firouzjahi, Asieh. Karami and Tahereh. Rostami
Primordial inhomogeneities from massive defects during inflation
JCAP (2016),   [abstract]   
Code: IPM/A-2016/11
28. 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
29. 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
30. Razieh. Emami and Hassan. Firouzjahi
Clustering Fossil from Primordial Gravitational Waves in Anisotropic Inflation
JCAP (2015),   [abstract]   
Code: IPM/A-2015/25
31. 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
32. M. Akhshik, H. Firouzjahi and S. Jazayeri
Cosmological Perturbations and the Weinberg Theorem
JCAP 2015 (2015),   [abstract]   
Code: IPM/A-2015/23
33. M. Akhshik, H. Firouzjahi and S. Jazayeri
Effective Field Theory of non-Attractor Inflation
JCAP (2015),   [abstract]   
Code: IPM/A-2015/09
34. 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
35. 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
36. 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
37. . 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
38. 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
39. A. Abolhasani, R. Emami and H. Firouzjahi
Primordial Anisotropies in Gauged Hybrid Inflation
JCAP 2014 (2014), 21  [abstract]   
Code: IPM/A-2014/20
40. 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
41. 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
42. 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
43. 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
44. 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
45. 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
46. 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
47. 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
48. 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
49. 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
50. 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
51. 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
52. M.H. Namjoo, S. Baghram and H. Firouzjahi
Hemispherical Asymmetry and Local non-Gaussianity: a Consistency Condition
Phys. Rev. D (2013), 13  [abstract]   
Code:
53. 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
54. 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
55. X. Chen, H. Firouzjahi, M.H. Namjoo and . Sasaki
Fluid Inflation
JCAP (2013), 13  [abstract]   
Code: IPM/A-2013/25
56. . Assadullahi, . Firouzjahi, M.H. Namjoo and D. Wands
Modulated curvaton decay
JCAP (2013), 041  [abstract]   
Code: IPM/A-2012/24
57. R. Emami and H. Firouzjahi
Curvature Perturbations in Anisotropic Inflation with Symmetry Breaking
JCAP (2013),   [abstract]   
Code: IPM/A-2012/017
58. . 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
59. 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
60. 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
61. M. Namjoo, H. Firouzjahi and M. Sasaki
Multiple Inflationary Stages with Varying Equation of State
JCAP (2012), 018  [abstract]   
Code: IPM/A-2012/012
62. 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
63. 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
64. 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
65. 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
66. 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
67. 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
68. 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
69. 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
70. 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
71. 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
72. 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
73. 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
74. 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
75. 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
76. 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
77. 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
78. 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
79. 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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