“حسن فیروزجاهی”

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سمت در پژوهشگاه

استاد، پژوهشکده نجوم
(1391 تا اکنون )

سمت‌های پیشین در پژوهشگاه

رئیس، پژوهشکده نجوم
(1395 تا 1402)

هیئت علمی، پژوهشکده فیزیک
(1387 تا 1391)



علایق پژوهشی

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

مقالات

1. K. Asadi, A. Nassiri-Rad and H. Firouzjahi
Stochastic multiple fields inflation: Diffusion dominated regime
Phys. Rev. D 108 (2023),   [abstract]   
Code: IPM/A-2023/31
2. H. Firouzjahi and A. Riotto
Sign of non-Gaussianity and the primordial black holes abundance
Phys. Rev. D 108 (2023),   [abstract]   
Code: IPM/A-2023/30
3. A. Talebian, Seyed A. Hosseini Mansoori and H. Firouzjahi
Inflation from Multiple Pseudo-scalar Fields: Primordial Black Hole Dark Matter and Gravitational Waves
Astrophysical Journal 948 (2023),   [abstract]   
Code: IPM/A-2023/24
4. H. Firouzjahi
One-loop corrections in power spectrum in single field inflation
JCAP 2023 (2023),   [abstract]   
Code: IPM/A-2023/14
5. H. Firouzjahi
Loop corrections in gravitational wave spectrum in single field inflation
Phys. Rev. D 108 (2023),   [abstract]   
Code: IPM/A-2023/13
6. H. Firouzjahi and A. Talebian
Induced gravitational waves from ultra slow-roll inflation and pulsar timing arrays observations
JCAP 2023 (2023),   [abstract]   
Code: IPM/A-2023/12
7. H. Firouzjahi and H. Sheikhahmadi
Vacuum Zero Point Energy and its Statistical Correlations in dS Background
Phys. Rev. D 108 (2023),   [abstract]   
Code: IPM/A-2023/05
8. A. Talebian, A. Nassiri-Rad and H. Firouzjahi
Primordial Helical Magnetic Fields from Inflation?
Phys. Rev. D 105 (2022),   [abstract]   
Code: IPM/A-2021/35
9. Seyed A. Hosseini Mansoori, A. Talebian, Z. Molaee and H. Firouzjahi
Multifield mimetic gravity
Phys. Rev. D 105 (2022),   [abstract]   
Code: IPM/A-2021/36
10. H. Firouzjahi and A. Talebian
White Hole Cosmology and Hawking Radiation from Quantum Cosmological Perturbation
Phys. Rev. D 106 (2022),   [abstract]   
Code: IPM/A-2022/29
11. H. Moshafi, H. Firouzjahi and A. Talebian
Multiple transitions in vacuum dark energy and H0 tension
Astrophysical Journal 920 (2022),   [abstract]   
Code: IPM/A-2022/28
12. H. Firouzjahi
Cosmological constant problem on the horizon
Phys. Rev. D 106 (2022),   [abstract]   
Code: IPM/A-2022/27
13. A. Nassiri-Rad, K. Asadi and H. Firouzjahi
Inflation with Stochastic Boundary
Phys. Rev. D 106 (2022),   [abstract]   
Code: IPM/A-2022/26
14. H. Firouzjahi
Cosmological constant and vacuum zero point energy in black hole backgrounds
Phys. Rev. D 106 (2022),   [abstract]   
Code: IPM/A-2022/14
15. S. Hooshangi, A. Talebian, M H. Namjoo and H. Firouzjahi
Multiple field ultraslow-roll inflation: Primordial black holes from straight bulk and distorted boundary
Phys. Rev. D 105 (2022),   [abstract]   
Code: IPM/A-2022/13
16. H. Firouzjahi, M A. Gorji, Sh. Mukohyama and A. Talebian
Dark matter from entropy perturbations in curved field spac
Phys. Rev. D 105 (2022),   [abstract]   
Code: IPM/A-2021/43
17. H. Firouzjahi, M A. Gorji, Sh. Mukohyama and B. Salehian
Dark photon dark matter from charged inflaton
Journal of High Energy Physics (JHEP) (2021),   [abstract]   
Code: IPM/A-2021/13
18. B. Salehian, M A. Gorji, H. Firouzjahi and Sh. Mukohyama
Vector dark matter production from inflation with symmetry breaking
Phys. Rev. D 103 (2021),   [abstract]   
Code: IPM/A-2021/09
19. Seyed A. Hosseini Mansoori, A. Talebian and H. Firouzjahi
Mimetic Inflation
Journal of High Energy Physics (JHEP) (2021),   [abstract]   
Code: IPM/A-2020/38
20. M A. Gorji, Seyed A. Hosseini Mansoori and H. Firouzjahi
Inflation with multiple vector fields and non-Gaussianities
JCAP 2020 (2020),   [abstract]   
Code: IPM/A-2020/41
21. A. Talebian, A. Nassiri-Rad and H. Firouzjahi
Revisiting magnetogenesis during inflation
Phys. Rev. D 102 (2020),   [abstract]   
Code: IPM/A-2020/40
22. H. Firouzjahi, A. Nassiri-Rad and M. Noorbala
Stochastic nonattractor inflation
Phys. Rev. D 102 (2020),   [abstract]   
Code: IPM/A-2020/33
23. H. Firouzjahi, A. Karami and T . Rostami
Vacuum decay in the presence of a cosmic string
Phys. Rev. D 101 (2020),   [abstract]   
Code: IPM/A-2020/12
24. M A . Gorji, A. Allahyari, M. Khodadi and H. Firouzjahi
Mimetic black holes
Phys. Rev. D 101 (2020),   [abstract]   
Code: IPM/A-2020/08
25. A. Talebian, A. Nassiri-Rad and H. Firouzjahi
Stochastic effects in anisotropic inflation
Phys. Rev. D 101 (2020),   [abstract]   
Code: IPM/A-2019/35
26. A. Allahyari, H. Firouzjahi and B. Mashhoon
Quasinormal modes of generalized black holes: δ-Kerr spacetime
Classical Quant. Grav. 37 (2020),   [abstract]   
Code: IPM/A-2019/27
27. H. Firouzjahi and B. Mashhoon
Twisted gravitational waves in the presence of a cosmological constant
Phys. Rev. D 100 (2019),   [abstract]   
Code: IPM/A-2019/29
28. M. Noorbala and H. Firouzjahi
Boundary crossing in stochastic inflation with a critical number of fields
Phys. Rev. D 100 (2019),   [abstract]   
Code: IPM/A-2019/28
29. H. Firouzjahi, M A. Gorji, Seyed A. Hosseini Mansoori, A. Karami and T. Rostami
Charged Vector Inflation
Phys. Rev. D 100 (2019),   [abstract]   
Code: IPM/A-2019/18
30. M A. Gorji, Sh. Mukohyama and H. Firouzjahi
Cosmology in mimetic SU(2) gauge theory
JCAP 2019 (2019),   [abstract]   
Code: IPM/A-2019/08
31. S. Shakeri, M A. Gorji and H. Firouzjahi
Schwinger Mechanism During Inflation
Phys. Rev. D 99 (2019),   [abstract]   
Code: IPM/A-2019/04
32. B. Salehian and H. Firouzjahi
Vacuum decay and bubble nucleation in f(R) gravity
Phys. Rev. D 99 (2019),   [abstract]   
Code: IPM/A-2018/25
33. H. Firouzjahi, A. Nassiri-Rad and M. Noorbala
Stochastic Ultra Slow Roll Inflation
JCAP 2019 (2019),   [abstract]   
Code: IPM/A-2018/24
34. A. Allahyari, H. Firouzjahi and B. Mashhoon
Quasinormal Modes of a Black Hole with Quadrupole Moment
Phys. Rev. D 99 (2019),   [abstract]   
Code: IPM/A-2018/23
35. A A. Abolhasani, H. Firouzjahi, A. Naruko and M. Sasaki
Basic formulation of δN formalism
world scientific (2019), 184  [abstract]   
Code: IPM/A-2018/22
36. M. Noorbala, V. Vennin, H. Assadullahi, H. Firouzjahi and D. Wands
Tunneling in stochastic inflation
JCAP 2018 (2018),   [abstract]   
Code: IPM/A-2018/27
37. H. Firouzjahi, M A. Gorji, Seyed A. Hosseini Mansoori, A. Karami and T. Rostami
Two-field disformal transformation and mimetic cosmology
JCAP 2018 (2018),   [abstract]   
Code: IPM/A-2018/26
38. M A. Gorji, Sh. Mukohyama, H. Firouzjahi and Seyed A. Hosseini Mansoori
Gauge field mimetic cosmology
JCAP 2018 (2018),   [abstract]   
Code: IPM/A-2018/07
39. M. Zarei, H. Firouzjahi and Sh. Mukohyama
Vector disformal transformation of cosmological perturbations
Phys. Rev. D 97 (2018),   [abstract]   
Code: IPM/A-2017/36
40. M A. Gorji, Seyed A. Hosseini Mansoori and H. Firouzjahi
Higher Derivative Mimetic Gravity
JCAP 2018 (2018),   [abstract]   
Code: IPM/A-2017/35
41. H. Firouzjahi, S. Jazayeri, A. Karami and T. Rostami
Bubble nucleation and inflationary perturbations
JCAP 2017 (2017),   [abstract]   
Code: IPM/A-2017/34
42. S. Jazayeri, A. Vafaei Sadr and H. Firouzjahi
Primordial anisotropies from cosmic strings during inflation
Phys. Rev. D 96 (2017),   [abstract]   
Code: IPM/A-2017/27
43. H. Firouzjahi, M A. Gorji and A. Hosseini Mansoori
Instabilities in Mimetic Matter Perturbations
JCAP (Submitted) [abstract]   
Code: IPM/A-2017/07
44. S. Jazayeri, A. Vafaei Sadr and H. Firouzjahi
Primordial anisotropies from cosmic strings during inflation
Phys. Rev. D (Submitted) [abstract]   
Code: IPM/A-2017/06
45. T. Rostami, A. Karami and H. Firouzjahi
Effective field theory of statistical anisotropies for primordial bispectrum and gravitational waves
JCAP 2017 (2017), 31  [abstract]   
Code: IPM/A-2017/46
46. V. Vennin, H. Assadullahi, H. Firouzjahi, M. Noorbala and D. Wands
Critical Number of Fields in Stochastic Inflation
Phys. Rev. Lett. (2017),   [abstract]   
Code: IPM/A-2016/12
47. H. Firouzjahi
Primordial Universe Inside the Black Hole and Inflation
arXiv (2016), 23  [abstract]   
Code: IPM/A-2016/27
48. H. Assadullahi, H. Firouzjahi, M. Noorbala, V. Vennin and D. Wands
Multiple Fields in Stochastic Inflation
JCAP (2016),   [abstract]   
Code: IPM/A-2016/13
49. H. Firouzjahi, A. Karami and T. Rostami
Primordial inhomogeneities from massive defects during inflation
JCAP (2016),   [abstract]   
Code: IPM/A-2016/11
50. A A. Abolhasani, M. Akhshik, R. Emami and H. Firouzjahi
Primordial Statistical Anisotropies: The Effective Field Theory Approach
JCAP (2016),   [abstract]   
Code: IPM/A-2015/22
51. f. Hassani, Sh. Baghram and H. Firouzjahi
Lensing as a Probe of Early Universe: from CMB to Galaxies
JCAP 2016 (2016),   [abstract]   
Code: IPM/A-2015/21
52. R. Emami and H. Firouzjahi
Clustering Fossil from Primordial Gravitational Waves in Anisotropic Inflation
JCAP (2015),   [abstract]   
Code: IPM/A-2015/25
53. S. Aiola, B. Wang, A. Kosowsky, T. Kahniashvili and H. Firouzjahi
Microwave Background Correlations from Dipole Anisotropy Modulation
Phys. Rev. D (2015),   [abstract]   
Code: IPM/A-2015/24
54. M. Akhshik, H. Firouzjahi and S. Jazayeri
Cosmological Perturbations and the Weinberg Theorem
JCAP 2015 (2015),   [abstract]   
Code: IPM/A-2015/23
55. M. Akhshik, H. Firouzjahi and S. Jazayeri
Effective Field Theory of non-Attractor Inflation
JCAP (2015),   [abstract]   
Code: IPM/A-2015/09
56. 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
57. 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
58. X. Chen, R. Emami, H. Firouzjahi and Yi. Wang
CMB statistical anisotropies of classical and quantum origins
JCAP 2015 (2015), 16  [abstract]   
Code: IPM/A-2014/12
59. sh. Baghram, A A. Abolhasani, H. Firouzjahi and M H. Namjoo
Fingerprints of Anomalous Primordial Universe on the Abundance of Large Scale Structures
JCAP (2014),   [abstract]   
Code: IPM/A-2014/63
60. 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
61. A. Abolhasani, R. Emami and H. Firouzjahi
Primordial Anisotropies in Gauged Hybrid Inflation
JCAP 2014 (2014), 21  [abstract]   
Code: IPM/A-2014/20
62. 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
63. 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
64. 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
65. 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
66. 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
67. 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
68. 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
69. 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
70. 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
71. 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
72. 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
73. 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
74. M.H. Namjoo, S. Baghram and H. Firouzjahi
Hemispherical Asymmetry and Local non-Gaussianity: a Consistency Condition
Phys. Rev. D (2013), 13  [abstract]   
Code:
75. 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
76. 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
77. X. Chen, H. Firouzjahi, M.H. Namjoo and . Sasaki
Fluid Inflation
JCAP (2013), 13  [abstract]   
Code: IPM/A-2013/25
78. H. Assadullahi, H. Firouzjahi, M H. Namjoo and D. Wands
Modulated curvaton decay
JCAP (2013), 041  [abstract]   
Code: IPM/A-2012/24
79. R. Emami and H. Firouzjahi
Curvature Perturbations in Anisotropic Inflation with Symmetry Breaking
JCAP (2013),   [abstract]   
Code: IPM/A-2012/017
80. M H. Namjoo, M. Sasaki and H. Firouzjahi
Violation of non-Gaussianity consistency relation in a single field inflationary model
Europhys. Lett. 101 (2013), 39001  [abstract]   
Code: IPM/A-2012/015
81. 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
82. 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
83. M. Namjoo, H. Firouzjahi and M. Sasaki
Multiple Inflationary Stages with Varying Equation of State
JCAP (2012), 018  [abstract]   
Code: IPM/A-2012/012
84. 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
85. 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
86. 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
87. 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
88. 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
89. 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
90. 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
91. 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
92. 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
93. 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
94. 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
95. 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
96. 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
97. 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
98. 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
99. 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
100. 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
101. 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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