“Amjad Ashoorioon”

Tel:  +98 21 22280692
Fax:  +95 21 22280415
Email: 

IPM Positions

Faculty Member , School of Physics
(2018 - Present )

Research Interests

Early Universe Cosmology, Inflation, Cosmological perturbation theory, Stringy Cosmology

Related Papers

1. A. Ashoorioon, M.B. Jahani Poshteh and O. Luongo
Particle motion and accretion disk around rotating accelerating black holes
 (Preprint) [abstract]
Code: IPM/P-2024/25
2. Z. Davari, A. Ashoorioon and K. Rezazadeh
Spherical Collapse Approach for Non-standard Cold Dark Matter Models and Enhanced Early Galaxy Formation in JWST
 (Preprint) [abstract]
arXive.org link: 2311.15083 [ abs, src, ps, others], cited by
Code: IPM/P-2023/64
3. A. Ashoorioon, M.B. Jahani Poshteh and R. B. Mann
Measuring black hole spin through gravitational lensing of pulsars
 (Preprint) [abstract]
arXive.org link: 2309.00205 [ abs, src, ps, others], cited by
Code: IPM/P-2023/60
4. A. Ashoorioon and A. Yousefi-Sostani
Exorcising the Ghost Condensate Dark Energy with a Sextic Dispersion Relation
Phys. Lett. B 844 (2023), 138115  [abstract]
Code: IPM/P-2023/42
5. A. Ashoorioon and Z. Davari
Dark Matter Cosmology with Varying Viscosity: a Possible Resolution to the S_8 Tension
Astrophys. J 959 (2023), 120  [abstract]
arXive.org link: 2303.06627 [ abs, src, ps, others], cited by
Code: IPM/P-2023/41
6. A. Ashoorioon and K. Rezazadeh
Ekpyrotic Inflation: Transient Acceleration after Non-minimal M-flation Preheating
JCAP 07 (2023), 028  [abstract]
arXive.org link: 2301.06598 [ abs, src, ps, others], cited by
Code: IPM/P-2023/05
7. A. Ashoorioon, M.B. Jahani Poshteh and R. B. Mann
Lensing Signatures of a Slowly-Accelerated Black Hole
Phys. Rev. D 107 (2023), 044031   [abstract]
arXive.org link: 2110.13132 [ abs, src, ps, others], cited by
Code: IPM/P-2021/38
8. A. Ashoorioon, M.B. Jahani Poshteh and R. B. Mann
Distinguishing a Slowly Accelerating Black Hole by Differential Time Delays of Images
Phys. Rev. Lett. 129 (2022), 031102  [abstract]
arXive.org link: 2210.10762 [ abs, src, ps, others], cited by
Code: IPM/P-2022/61
9. K. Rezazadeh, A. Ashoorioon and D. Grin
Cascading Dark Energy
 (Preprint) [abstract]
arXive.org link: 2208.07631 [ abs, src, ps, others], cited by
Code: IPM/P-2022/60
10. A. Ashoorioon, K. Rezazadeh and A. Rostami
NANOGrav Signal from the End of Inflation and the LIGO Mass and Heavier Primordial Black Holes
Phys. Lett. B 835 (2022), 137542  [abstract]
arXive.org link: 2202.01131 [ abs, src, ps, others], cited by
Code: IPM/P-2022/06
11. A. Ashoorioon, Gh. Geshnizjani and H. J. Kim
Non-Gaussianities in the Extended EFT of Inflation
JCAP 01 (2021), 046  [abstract]
arXive.org link: 2110.06038 [ abs, src, ps, others], cited by
Code: IPM/P-2021/33
12. M. Ahmadvand, A. Ashoorioon and K. Bitaghsir Fadafan
Confronting the Magnetically-Induced Holographic Composite Inflation with Observation
Phys. Rev. D 104 (2021), 063509  [abstract]
arXive.org link: 2103.08362 [ abs, src, ps, others], cited by
Code: IPM/P-2021/007
13. A. Ashoorioon , A. Rostami and J. T. Firouzjaee
Examining the end of inflation with primordial black holes mass distribution and gravitational waves
Phys. Rev. D 103 (2021), 123512  [abstract]
arXive.org link: 2012.02817 [ abs, src, ps, others], cited by
Code: IPM/P-2020/059
14. A. Ashoorioon and M.B. Jahani Poshteh
Black hole pair production on cosmic strings in the presence of a background magnetic field
Phys. Lett. B 816 (2021), 136224  [abstract]
arXive.org link: 2006.16983 [ abs, src, ps, others], cited by
Code: IPM/P-2020/026
15. A. Ashoorioon, J. Taghizadeh Firouzjaee and A. Rostami
EFT Compatible PBHs: Effective Spawning of the Seeds for Primordial Black Holes during Inflation
JHEP 07 (2021), 087  [abstract]
arXive.org link: 1912.13326 [ abs, src, ps, others], cited by
Code: IPM/P-2019/019
16. A. Ashoorioon and K. Rezazadeh
Non-Minimal M-flation
JHEP 07 (2020), 244  [abstract]
arXive.org link: 1909.09806 [ abs, src, ps, others], cited by
Code: IPM/P-2019/018 Note: Published: 31 July 2020
17. A. Ashoorioon
Rescuing Single Field Inflation from the Swampland
Phys. Lett. B 790 (2019), 568-573  [abstract]
arXive.org link: 1810.04001 [ abs, src, ps, others], cited by
Code: IPM/P-2018/072
18. A. Ashoorioon
Non-Unitary Evolution in the General Extended EFT of Inflation and Excited Initial States
JHEP 1812 (2018), 012  [abstract]
arXive.org link: 1807.06511 [ abs, src, ps, others], cited by
Code: IPM/P-2018/029 Note: Published: 03 December 2018
19. A. Ashoorioon, R. Casadio, M. Cicoli, Gh. Geshnizjani and H. J. Kim
Extended Effective Field Theory of Inflation
JHEP 1802 (2018), 172  [abstract]
arXive.org link: 1802.03040 [ abs, src, ps, others], cited by
Code: IPM/P-2018/006
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