Journal of Scientific Research <p>Published by the Faculty of Sciences, University of Rajshahi. Full-text articles available from <a title="Current issue of JSR" href="/index.php/JSR/issue/archive" target="_self">ARCHIVES</a>.</p> <p>Journal of Scientific Research is included on <a title="DOAJ" href="" target="_blank" rel="noopener">DOAJ</a>.</p> Faculty of Sciences, Rajshahi University en-US Journal of Scientific Research 2070-0237 <p>© Journal of Scientific Research</p><p><a href="" rel="license"><img src="" alt="Creative Commons License" /></a></p><p>Articles published in the "Journal of Scientific Research" are Open Access articles under a <span id="OBJ_PREFIX_DWT52_com_zimbra_url" class="Object"><a href="" target="_blank">Creative Commons Attribution-ShareAlike 4.0 International license</a> </span>(CC BY-SA 4.0). This license permits use, distribution and reproduction in any medium, provided the original work is properly cited and initial publication in this journal. In addition to that, users must provide a link to the license, indicate if changes are made and distribute using the same license as original if the original content has been remixed, transformed or built upon.</p> Electromagnetic Wave Equations of Dyon in Arbitrary Media <p>Dyon is a hypothetical particle in high energy physics that carries simultaneously both electric and magnetic charge. A dyon with zero electric charge is referred to a magnetic monopole.&nbsp; The paper, reports a simple reformulation of Maxwell equations for dyon in arbitrary media. The Lorentz, Coulomb gauge conditions and the wave equations of dyon in arbitrary media are derived in a simple and compact manner.</p> I. Joshi J. S. Garia ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 161 167 10.3329/jsr.v12i2.43635 Graphene-TMD Van der Waals Heterostucture Plasmonics <p>The collective excitations of electrons in the bulk or at the surface, viz. plasmons, play an important role in the properties of materials, and have generated the field of “plasmonics”. We report the observation of a highly unusual plasmon mode on the surface of Van der Waals heterostructures (vdWHs) of graphene monolayer on 2D transition metal dichalcogenide (Gr-TMD) substrate. Since the exponentially decaying fields of surface plasmon wave propagating along interface is highly sensitive to the ambient refractive index variations, such heterostructures are useful for ultra-sensitive bio-sensing.</p> P. Goswami U. P. Tyagi ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 169 174 10.3329/jsr.v12i2.43685 Compound Difference Anti-Synchronization between Hyper-Chaotic Systems of Fractional Order <p>In this article, the compound difference anti-synchronization between fractional order hyper-chaotic systems have been studied. Numerical simulations have been performed using MATLAB to verify the theoretical results on fractional order Xling, Vanderpol, Rikitake and Rabinovich hyper-chaotic systems.</p> A. Khan L. S. Jahanzaib Nasreen - P. Trikha T. Khan ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 175 181 10.3329/jsr.v12i2.43764 Combination Difference Synchronization between Identical Generalised Lotka-Volterra Chaotic Systems <p>This manuscript investigates the combination difference synchronization between identical Generalised Lotka-Volterra Chaotic Systems. Numerical Simulations have been performed which are in complete agreement of theoretical results.</p> P. Trikha Nasreen - L. S. Jahanzaib ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 183 188 10.3329/jsr.v12i2.43765 Synchronization of Non-Integer Complex Chaotic Systems with Uncertainty and Disturbances via Adaptive Sliding Mode Technique <p>In this paper we concern the adaptive sliding mode control technique for synchronization of fractional order chaotic systems with uncertainties and disturbances. This technique is used to design control law through suitable sliding surface and estimate the external disturbances. Computational results using MATLAB verified the effectiveness of the proposed scheme.</p> L. S. Jahanzaib P. Trikha Nasreen - ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 189 200 10.3329/jsr.v12i2.43780 Hybrid Projective Synchronization of 4-D Hyperchaotic Systems via Adaptive Control <p>This paper designs a procedure for investigating the hybrid projective synchronization (HPS) scheme between two identical 4-D hyperchaotic systems. Based on Lyapunov stability theory (LST), an adaptive control technique (ACT) has been designed to achieve the desired HPS scheme. The suggested technique determines globally the asymptotic stability and identification of parameters simultaneously using HPS scheme. It is noted that complete , hybrid and anti-synchronization turns into particular cases of HPS scheme. Numerical simulations are presented to validate the effectivity and feasibleness of the considered technique by using MATLAB. Remarkably, the theoretical and computational outcomes are in complete agreement. Also, the considered HPS scheme is very efficient as it has numerous applications in encryption and secure communication.</p> A. Khan H. Chaudhary ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 201 208 10.3329/jsr.v12i2.43790 Moments of Inertia of SDIBs in A = 190 Mass Region using VMI Model <p>A lot of identical bands are known at present in the Normal Deformed (ND) region. In our study of the occurrence and properties of identical bands in Super-Deformed (SD) nuclei we first applied the modified Variable Moment of Inertia (VMI) model to extract the band-head spin of Super-Deformed bands. The calculated transition energies, level spins and dynamic moment of inertia are systematically examined. Then, in the framework of theoretical model several identical bands are identified. The kinematic and dynamic moment of inertia have been calculated for the six pairs of Super-Deformed Identical Bands (SDIBs) which was not reported earlier in the literature. Thus, the results are significant. In all the cases <em>J<sup>(2)</sup></em> is significantly higher than <em>J<sup>(1) </sup></em>over a large range of frequency.</p> P. Jain A. Goel S. K. Mandal ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 209 214 10.3329/jsr.v12i2.43867 Effect of Magnetic Field on Dilepton Production Rate in Relativistic Heavy Ion Collisions <p>It is believed that a transient strong magnetic field is generated in heavy-ion collision. The strength of this field perpendicular to the reaction plane and is estimated to be around eB=0.03GeV<sup>2</sup> at RHIC and eB=0.3GeV<sup>2 </sup>at LHC. We study the effect of this magnetic field on dilepton yield using a modified quasi particle model. The results show a clear enhancement in dilepton yield and our result is in good agreement with the recently reported results.</p> P. K. Sethy Y. Kumar S. S. Singh ##submission.copyrightStatement## 2020-02-01 2020-02-01 12 2 215 221 10.3329/jsr.v12i2.43938