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Nov 11, 2015

In this paper we have used the metric of a rotating black hole, that has obtained in conformal gravity to calculate the thermodynamical quantities of it. We have calculated the Hawking temperature(TBH=ℏκ2π) by the formula (κ=limr→r+√aμaμut) and the …

Thermodynamics of rotating black holes in conformal gravity

In this paper we consider a metric of a rotating black hole in conformal gravity. We calculate the thermodynamical quantities for this rotating black…
Jun 21, 2016

Study of the geodesic equations of a spherical symmetric spacetime in…

Set of analytic solutions of the geodesic equation in a spherical conformal spacetime is presented. Solutions of this geodesics can be expressed in t…
Jan 26, 2018

First-order corrected thermodynamic geometry of a static black hole i…

In this paper, we consider a static black hole in $f(R)$ gravity. We recapitulate the expression for corrected thermodynamic entropy of this black ho…
Feb 01, 2012

Universe acceleration and fine structure constant variation in BSBM …

In this work we investigate the utility of using SNe Ia observations in constraining the cosmological parameters in BSBM theory where a scalar field …
Dec 20, 2017
Materials Science

Freestanding χ_3-Borophene Nanoribbons: A Density Functional Theory …

Borophene nanoribbons (BNRs), decomposed from {\chi_3} sheet, is investigated by using density functional theory. The stability and also the electric…
May 06, 2017
Numerical Analysis

Two-parameter TSCSP method for solving complex symmetric system of …

We introduce a two-parameter version of the two-step scale-splitting iteration method, called TTSCSP, for solving a broad class of complex symmetric …
Sep 20, 2019
Machine Learning
Computer Vision
Neural and Evolutionary Computation

Genetic Neural Architecture Search for automatic assessment of human …

Male infertility is a disease which affects approximately 7% of men. Sperm morphology analysis (SMA) is one of the main diagnosis methods for this pr…
Nov 13, 2019
Computation and Language
Machine Learning

LexiPers: An ontology based sentiment lexicon for Persian

Sentiment analysis refers to the use of natural language processing to identify and extract subjective information from textual resources. One approa…
Apr 29, 2015

Analytical solutions of the geodesic equation in the spacetime of a …

We consider the motion of test particles in the spacetime of a black hole in f(R) gravity. The complete set of analytic solutions of the geodesic equ…
Dec 28, 2015

A study of geodesic motion in a (2+1)-dimensional charged BTZ black h…

This study is purposed to derive the equation of motion for geodesics in vicinity of spacetime of a (2 + 1)-dimensional charged BTZ black hole. In th…
Oct 21, 2013
Strongly Correlated Electrons

Topological Phase Transition in the Extended Cluster Compass Ladder

We have studied the exact solution of the extended cluster compass ladder, which is equivalent to extended quantum compass model with cluster interac…
Jan 13, 2016

Geodesic equations in the static and rotating dilaton black holes: …

In this paper, we consider the timelike and null geodesics around the static [GMGHS (Gibbons, Maeda, Garfinkle, Horowitz and Strominger), magneticall…
Apr 01, 2019

Quantumness and memory of an open qubit under classical control

Hybrid quantum-classical systems constitute a promising architecture for useful control strategies of quantum systems by means of a classical device.…
Nov 01, 2017

Coherence and entanglement dynamics of vibrating qubits

We investigate the dynamics of coherence and entanglement of vibrating qubits. Firstly, we consider a single trapped ion qubit inside a perfect cavit…
Jun 17, 2019
Statistical Mechanics

Universal Scaling in Fast Quenches Near Lifshitz-Like Fixed Points

We study critical dynamics through time evolution of quantum field theories driven to a Lifshitz-like fixed point, with $z>1$, under relevant deforma…
Mar 21, 2015

Tachyonic Intermediate Inflation in DGP Cosmology with new observatio…

In this article we study an intermediate inflationary model in the context of Dvali-Gabadadze-Porrati (DGP) cosmology caused by a tachyon scalar fiel…
Nov 01, 2011

Geometric and thermodynamic properties in Gauss-Bonnet gravity

In this paper, the generalized second law (GSL) of thermodynamics and entropy is revisited in the context of cosmological models in Gauss-Bonnet grav…
Feb 12, 2016

Analytic treatment of complete geodesics in a static cylindrically …

We consider the motion of test particles and light rays in a static cylindrically symmetric conformal spacetime given by Said et al [1]. We derive th…
Dec 30, 2014
Numerical Analysis

On the generalized shift-splitting preconditioner for saddle point …

In this paper, the generalized shift-splitting preconditioner is implemented for saddle point problems with symmetric positive definite (1,1)-block a…
Jan 07, 2018

Protecting quantum resources via qubit frequency modulation

Finding strategies to preserve quantum resources in open systems is nowadays a main requirement for reliable quantum-enhanced technologies. We addres…
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