[HTML][HTML] Reissner-Nordström black holes surrounded by perfect fluid dark matter: Testing the viability of weak gravity conjecture and weak cosmic censorship …

J Sadeghi, SN Gashti - Physics Letters B, 2024 - Elsevier
A possible violation of the weak gravity conjecture (WGC) by cosmic censorship is one of the
major challenges in the field of general relativity. The cosmic censorship is a fundamental …

[HTML][HTML] de Sitter swampland conjecture in string field inflation

J Sadeghi, B Pourhassan, SN Gashti, I Sakallı… - The European Physical …, 2023 - Springer
In this paper, we study a particular type of inflation by using non-local Friedman equations
that are derived from the zero levels of string field theory and express a tachyonic action …

[HTML][HTML] Influences of perfect fluid dark matter on coinciding validity of the weak gravity and weak cosmic censorship conjectures for Kerr-Newman black hole

J Sadeghi, SN Gashti - Nuclear Physics B, 2024 - Elsevier
One of the main difficulties in general relativity is the potential conflict between the weak
gravity conjecture (WGC) and weak cosmic censorship conjecture (WCCC). Cosmic …

Notes on further refining de Sitter swampland conjecture with inflationary models

J Sadeghi, SN Gashti, MR Alipour - Chinese Journal of Physics, 2022 - Elsevier
In this paper, we challenge some inflationary models with the recent new conjecture of the
swampland program, namely, further refining the de Sitter swampland conjecture. So far …

[PDF][PDF] Cosmological dynamical systems analysis of scalar-tensor f (R, T) gravity

TB Gonçalves, JL Rosa, FSN Lobo - arXiv preprint arXiv …, 2023 - researchgate.net
In this work, we use the dynamical system approach to explore the cosmological
background evolution of the recently proposed scalar-tensor representation of f (R, T) …

Further refining swampland dS conjecture in mimetic gravity

S Noori Gashti, J Sadeghi, MR Alipour - International Journal of …, 2023 - World Scientific
Mimetic gravity analysis has been studied as a theory in various types of general relativity
extensions, such as mimetic f (R) gravity, mimetic f (R, T) gravity, mimetic f (R, G) gravity, etc …

[HTML][HTML] Composite inflation and further refining dS swampland conjecture

J Yuennan, P Channuie - Nuclear Physics B, 2023 - Elsevier
A natural combination of the first and second derivatives of the scalar potential was achieved
in a framework of an alternative refined de Sitter conjecture recently proposed in the …

Emerging WGC from the Dirac particle around black holes

J Sadeghi, MR Alipour, SN Gashti - Modern Physics Letters A, 2023 - World Scientific
In this paper, we study the Dirac particle near the event horizon of the charged Bañados-
Teitelboim-Zanelli (BTZ) black hole and Reissner–Nordström (RN) black holes to obtain its …

Weak Cosmic Censorship and Weak Gravity Conjectures in CFT Thermodynamics

J Sadeghi, SN Gashti, MR Alipour… - arXiv preprint arXiv …, 2024 - arxiv.org
In this paper, we explore the intriguing interplay between fundamental theoretical physics
concepts within the context of charged black holes. Specifically, we focus on the consistency …

[HTML][HTML] Scalar weak gravity conjecture in super Yang-Mills inflationary model

J Sadeghi, MR Alipour, S Noori Gashti - Universe, 2022 - mdpi.com
In this article, we want to check four inflation models, namely, composite NJL inflation (NJLI),
Glueball inflation (GI), super Yang–Mills inflation (SYMI), and Orientifold inflation (OI), with …