121 citations · 451 across the 16 of their papers we have counts for
17 papers
Ghost Dark Energy in the Modified Kaniadakis Cosmology
A. Dezhakam, A. Sheykhi, A. Dehyadegari
We investigate ghost dark energy (GDE) in a cosmological framework derived from Kaniadakis entropy. By applying the first law of thermodynamics to the FRW apparent horizon, we obta…
Modified Entropy from Action Principle
A. Dehyadegari, A. Sheykhi
We propose a modified gravity theory by extending the Einstein-Hilbert action with an arbitrary function of the Ricci scalar and the Kretschmann scalar invariants. The resulting mo…
New Black hole Solutions in Gravity
A. Dehyadegari, A. Sheykhi
We investigate static and spherically symmetric vacuum solutions in the symmetric teleparallel modified theory of gravity. Starting from a recently proposed classif…
Thermodynamic geometry and phase transition of spinning AdS black holes
Amin Dehyadegari, Ahmad Sheykhi
Employing the thermodynamic geometry approach, we explore phase transition of four dimensional spinning black holes in an anti-de Sitter (AdS) spaces and found the following novel…
Microstructure of charged AdS black hole via criticality
Amin Dehyadegari, Ahmad Sheykhi, Shao-Wen Wei
We suggest a new thermodynamic curvature, constructed via adiabatic compressibility, for examining the internal microstructure of charged black holes in an anti-de Sitter (AdS) bac…
Critical behavior of charged dilaton black holes in AdS space
Amin Dehyadegari, Ahmad Sheykhi
We revisit critical behaviour and phase structure of charged anti-deSitter (AdS) dilaton black holes for arbitrary values of dilaton coupling , and realize several novel phase b…
Alternative approach to the critical behavior and microscopic structure of the power-Maxwell black holes
Ahmad Sheykhi, Mohammad Arab, Zeinab Dayyani +1
Employing a new approach toward thermodynamic phase space, we investigate the phase transition, critical behavior and microscopic structure of higher dimensional black holes in an…
Universality class of alternative phase space and Van der Waals criticality
Amin Dehyadegari, Bibhas Ranjan Majhi, Ahmad Sheykhi +1
A new perspective toward thermodynamic phase space of Reisser-Nordstrom (RN) black holes in an anti-de-Sitter (AdS) spaces was recently proposed [Phys. Lett. B 768 (2017) 235], whe…
Conductivity of higher dimensional holographic superconductors with nonlinear electrodynamics
Ahmad Sheykhi, Doa Hashemi Asl, Amin Dehyadegari
We investigate analytically as well as numerically the properties of s-wave holographic superconductors in -dimensional spacetime and in the presence of Logarithmic nonlinear el…
Holographic conductivity of holographic superconductors with higher order corrections
Ahmad Sheykhi, Afsoon Ghazanfari, Amin Dehyadegari
We analytically as well as numerically disclose the effects of the higher order correction terms in the gravity and in the gauge field on the properties of -wave holographic sup…
Reentrant phase transition of Born-Infeld-AdS black holes
Amin Dehyadegari, Ahmad Sheykhi
We investigate thermodynamic phase structure and critical behaviour of Born-Infeld (BI) black holes in an anti-de Sitter (AdS) space, where the charge of the system can vary and th…
Novel phase transition in charged dilaton black holes
Amin Dehyadegari, Ahmad Sheykhi, Afshin Montakhab
We disclose a novel phase transition in black hole physics by investigating thermodynamics of charged dilaton black holes in an extended phase space where the charge of the black h…
Critical behaviour and microscopic structure of charged AdS black holes via an alternative phase space
Amin Dehyadegari, Ahmad Sheykhi, Afshin Montakhab
It has been argued that charged Ads black holes have similar thermodynamic behavior as the Van der Waals fluid system, provided one treats the cosmological constant as a thermodyna…
Comment on "Insight into the Microscopic Structure of an AdS Black Hole from a Thermodynamical Phase Transition"
M. Kord Zangeneh, A. Dehyadegari, A. Sheykhi
Thermodynamic geometry analysis of interesting Letter [Phys. Rev. Lett. 115, 111302 (2015)] for charged AdS black holes, which is based on studying the Ruppeiner invariant behavior…
Holographic Conductivity for Logarithmic Charged Dilaton-Lifshitz Solutions
A. Dehyadegari, A. Sheykhi, M. Kord Zangeneh
We disclose the effects of the logarithmic nonlinear electrodynamics on the holographic conductivity of Lifshitz dilaton black holes/branes. We analyze thermodynamics of these solu…
Thermodynamics and gauge/gravity duality for Lifshitz black holes in the presence of exponential electrodynamics
M. Kord Zangeneh, A. Dehyadegari, A. Sheykhi +1
In this paper, we construct a new class of topological black hole Lifshitz solutions in the presence of nonlinear exponential electrodynamics for Einstein-dilaton gravity. We show…
Casimir rack and pinion: Mechanical rectification of periodic multi-harmonic signals
Amin Dehyadegari, MirFaez Miri, Zahra Etesami
We study noncontact rack and pinion composed of a corrugated plate and a corrugated cylinder intermeshed via the lateral Casimir force. We assume that the rack position versus time…