Feature Papers in 'Physics' Section 2024

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 1319

Special Issue Editors


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Guest Editor
Department of Physics, University of California, Santa Cruz, CA 94720, USA
Interests: astro-particle physics; particle dark matter searches and model building; high energy astrophysics; theoretical high energy physics; particle physics beyond the standard model; models for the generation of the matter-antimatter asymmetry in the universe; phenomenology of supersymmetric and extra-dimensional models
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Guest Editor
Institute of Physics of Cantabria, Universidad de Cantabria, Santander, Spain
Interests: particle physics; high energy physics; physics; doctoral education; outreach
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are pleased to announce this new Special Issue “Feature Papers in 'Physics' Section 2024” online. We aim to introduce new insights into science development or cutting-edge technology related to the physics and symmetry field, which are expected to make a great contribution to the community. The issue will cover topics, original research, and peer-reviewed articles related to the latest research and developments in any field of physics where symmetry plays a key role.

In general, this Special Issue will be a platform for researchers to publish their scientific work, helping them to influence the scientific community as well as the general public.

Prof. Dr. Stefano Profumo
Prof. Dr. Alberto Ruiz Jimeno
Guest Editors

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. Symmetry 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 2400 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

  • symmetry in mathematical physics
  • local and global symmetries
  • continuous symmetries
  • spacetime symmetries
  • discrete symmetries and their tests
  • conservation laws and their tests
  • gauge theories
  • lie groups
  • relativity and tests of Lorentz invariance
  • spontaneous symmetry breaking
  • crystal symmetry
  • conformal symmetry
  • chiral symmetry and chiral symmetry breaking
  • dynamical symmetry breaking models
  • flavor symmetries
  • symmetries in condensed matter
  • infinite-dimensional symmetries
  • quantum group symmetries
  • baryon and lepton number 
  • crystalline systems and their symmetries
  • symmetries in models for physics beyond the Standard Model
  • scaling laws of complex system

Published Papers (2 papers)

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Research

21 pages, 1270 KiB  
Article
The Schwarzian Approach in Sturm–Liouville Problems
by Nektarios Vlahakis
Symmetry 2024, 16(6), 648; https://doi.org/10.3390/sym16060648 - 23 May 2024
Viewed by 404
Abstract
A novel method for finding the eigenvalues of a Sturm–Liouville problem is developed. Following the minimalist approach, the problem is transformed to a single first-order differential equation with appropriate boundary conditions. Although the resulting equation is nonlinear, its form allows us to find [...] Read more.
A novel method for finding the eigenvalues of a Sturm–Liouville problem is developed. Following the minimalist approach, the problem is transformed to a single first-order differential equation with appropriate boundary conditions. Although the resulting equation is nonlinear, its form allows us to find the general solution by adding a second part to a particular solution. This splitting of the general solution into two parts involves the Schwarzian derivative: hence, the name of the approach. The eigenvalues that correspond to acceptable solutions can be found by requiring the second part to correct the asymptotically diverging behavior of the particular solution. The method can be applied to many different areas of physics, such as the Schrödinger equation in quantum mechanics and stability problems in fluid dynamics. Examples are presented. Full article
(This article belongs to the Special Issue Feature Papers in 'Physics' Section 2024)
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11 pages, 662 KiB  
Article
Controlled State Transfer in Central Spin Models
by Martiros Khurshudyan
Symmetry 2024, 16(4), 489; https://doi.org/10.3390/sym16040489 - 17 Apr 2024
Viewed by 551
Abstract
In the recent literature, various aspects of the transfer of quantum states by spin chains have been thoroughly investigated. Part of the existing study is devoted to the problem of optimal control, with the goal of achieving a highly reliable information/state transfer for [...] Read more.
In the recent literature, various aspects of the transfer of quantum states by spin chains have been thoroughly investigated. Part of the existing study is devoted to the problem of optimal control, with the goal of achieving a highly reliable information/state transfer for a given time T. In general, achieving this goal is not an easy task in the case of (open) quantum systems. Various approaches have been developed and applied, including Krotov’s method to study the problem. It is a gradient-based method used here to study the problem of state transfer control in central spin models. Our results show that with Krotov’s method, it is possible to find an optimal control form that allows for very-high-fidelity state transfer in the central spin models we have developed. Our results will be of interest for a better understanding of the non-trivial effects of the classical world on the quantum world, which have been discussed in the form of various new effects, including the Epstein effect, in the recent literature. Full article
(This article belongs to the Special Issue Feature Papers in 'Physics' Section 2024)
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