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Entropy
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Selected Papers from the 2022 Scholars International Conference on Physics...
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Selected Papers from the 2022 Scholars International Conference on Physics and Quantum Physics

A special issue of Entropy (ISSN 1099-4300). This special issue belongs to the section "Quantum Information".

Deadline for manuscript submissions: closed (30 April 2023) | Viewed by 4282

Special Issue Editor

Prof. Dr. Hari Mohan Srivastava

grade E-Mail Website
Guest Editor
Department of Mathematics and Statistics, University of Victoria, Victoria, BC V8W 3R4, Canada
Interests: real and complex analysis; fractional calculus and its applications; integral equations and transforms; higher transcendental functions and their applications; q-series and q-polynomials; analytic number theory; analytic and geometric Inequalities; probability and statistics; inventory modelling and optimization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue aims to include selected peer-reviewed papers that were presented at the 2022 Scholars International Conference on Physics and Quantum Physics (Berlin, Germany; 22–23 June 2022), which focus on the theme "Frontiers in Physics and Quantum Physics".

Other independent submissions that deal with the theme of the conference (Physics Conference 2022) will also be more than welcome for submission to this Special Issue. More details about the conference can be found on the following webpage:

https://scholarsconferences.com/physics/

There is a wide range of research topics, spanning both theoretical and applied research, for this Special Issue. We would like to cordially invite researchers working in the fields of physics, quantum physics and applied mathematical sciences to contribute original research papers or review articles to this Special Issue, to be published in MDPI’s SCIE-ranked journal Entropy. Accepted contributions by the conference participants will be entitled to a 20% discount on the APC.

Prof. Dr. Hari Mohan Srivastava
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Entropy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • entropy-related studies in mathematical, physical and engineering sciences
  • quantum neural networks, and their convolutional and hybrid versions
  • dynamical systems modelling real-world problems
  • special functions of mathematical physics and applied mathematics
  • mathematical modelling via fractional calculus
  • ordinary and partial differential and difference equations

Published Papers (3 papers)

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Research

15 pages, 320 KiB  
Article
Dynamics of Fractional Delayed Reaction-Diffusion Equations
by Linfang Liu and Juan J. Nieto
Entropy 2023, 25(6), 950; https://doi.org/10.3390/e25060950 - 16 Jun 2023
Viewed by 917
Abstract
The long-term behavior of the weak solution of a fractional delayed reaction–diffusion equation with a generalized Caputo derivative is investigated. By using the classic Galerkin approximation method and comparison principal, the existence and uniqueness of the solution is proved in the sense of [...] Read more.
The long-term behavior of the weak solution of a fractional delayed reaction–diffusion equation with a generalized Caputo derivative is investigated. By using the classic Galerkin approximation method and comparison principal, the existence and uniqueness of the solution is proved in the sense of weak solution. In addition, the global attracting set of the considered system is obtained, with the help of the Sobolev embedding theorem and Halanay inequality. Full article
(This article belongs to the Special Issue Selected Papers from the 2022 Scholars International Conference on Physics and Quantum Physics)
11 pages, 602 KiB  
Article
Interaction between an Impurity and Nonlinear Excitations in a Polariton Condensate
by Chunyu Jia and Zhaoxin Liang
Entropy 2022, 24(12), 1789; https://doi.org/10.3390/e24121789 - 07 Dec 2022
Cited by 1 | Viewed by 1092
Abstract
Exploring the dynamics of a mobile impurity immersed in field excitations is challenging, as it requires to account for the entanglement between the impurity and the surrounding excitations. To this end, the impurity’s effective mass has to be considered as finite, rather than [...] Read more.
Exploring the dynamics of a mobile impurity immersed in field excitations is challenging, as it requires to account for the entanglement between the impurity and the surrounding excitations. To this end, the impurity’s effective mass has to be considered as finite, rather than infinite. Here, we theoretically investigate the interaction between a finite-mass impurity and a dissipative soliton representing nonlinear excitations in the polariton Bose–Einstein condensate (BEC). Using the Lagrange variational method and the open-dissipative Gross–Pitaevskii equation, we analytically derive the interaction phase diagram between the impurity and a dissipative bright soliton in the polariton BEC. Depending on the impurity mass, we find the dissipative soliton colliding with the impurity can transmit through, get trapped, or be reflected. This work opens a new perspective in understanding the impurity dynamics when immersed in field excitations, as well as potential applications in information processing with polariton solitons. Full article
(This article belongs to the Special Issue Selected Papers from the 2022 Scholars International Conference on Physics and Quantum Physics)
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14 pages, 314 KiB  
Article
Discrete Quadratic-Phase Fourier Transform: Theory and Convolution Structures
by Hari M. Srivastava, Waseem Z. Lone, Firdous A. Shah and Ahmed I. Zayed
Entropy 2022, 24(10), 1340; https://doi.org/10.3390/e24101340 - 23 Sep 2022
Cited by 6 | Viewed by 1438
Abstract
The discrete Fourier transform is considered as one of the most powerful tools in digital signal processing, which enable us to find the spectrum of finite-duration signals. In this article, we introduce the notion of discrete quadratic-phase Fourier transform, which encompasses a wider [...] Read more.
The discrete Fourier transform is considered as one of the most powerful tools in digital signal processing, which enable us to find the spectrum of finite-duration signals. In this article, we introduce the notion of discrete quadratic-phase Fourier transform, which encompasses a wider class of discrete Fourier transforms, including classical discrete Fourier transform, discrete fractional Fourier transform, discrete linear canonical transform, discrete Fresnal transform, and so on. To begin with, we examine the fundamental aspects of the discrete quadratic-phase Fourier transform, including the formulation of Parseval’s and reconstruction formulae. To extend the scope of the present study, we establish weighted and non-weighted convolution and correlation structures associated with the discrete quadratic-phase Fourier transform. Full article
(This article belongs to the Special Issue Selected Papers from the 2022 Scholars International Conference on Physics and Quantum Physics)
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