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Quantum Reports
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New Reports on Quantum Mechanics: Discoveries, Promising Trends, and Technological...
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New Reports on Quantum Mechanics: Discoveries, Promising Trends, and Technological Innovations

A special issue of Quantum Reports (ISSN 2624-960X).

Deadline for manuscript submissions: 28 February 2025 | Viewed by 5815

Special Issue Editor

Prof. Dr. Edilberto Oliveira Silva

E-Mail Website
Guest Editor
Departamento de Física, Universidade Federal do Maranhão, São Luis 65085-580, Brazil
Interests: quantum mechanics; topological defects; relativistic quantum mechanics
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Quantum Mechanics stands as an epoch-making breakthrough in physics, shaping our understanding for over a century. This theory provides a fundamental framework for exploring the properties of physical systems across diverse branches. Its practical applications have led to remarkable achievements. Quantum Mechanics, as the backbone of modern physics, has opened up a vast realm of possibilities for scientific exploration and technological innovation. By delving into the quantum realm, researchers have unraveled the peculiar behavior of particles and uncovered new avenues for technological advancement. Quantum Mechanics has paved the way for transformative applications across various fields, from the intricate manipulation of quantum states to the development of quantum algorithms and simulation techniques. It has revolutionized fields such as quantum computing, quantum communication, and quantum sensing, enabling unprecedented levels of computational power, secure communication, and highly precise measurements.

We are thrilled to announce the Special Issue - New Reports on Quantum Mechanics: Discoveries, Promising Trends, and Technological Innovations - dedicated to recent advances in theoretical developments of Quantum Mechanics and its wide-ranging applications across all fields of physics. This initiative contributes to the global effort of disseminating valuable information within the research community. In this special issue, we seek original contributions that shed light on groundbreaking discoveries and promising trends within Quantum Mechanics. Specifically, we invite submissions exploring the following topics:

• One and two-dimensional systems
• Topological defects
• Curved spacetime
• Quantum metrology and quantum error correction
• Quantum optics and photonics
• Quantum wells, wires, dots, and rings
• Quantum thermodynamics
• Quantum information theory
• Quantum materials and quantum devices
• Quantum algorithms and quantum machine learning
• Quantum simulators and quantum annealing

We eagerly await your insightful submissions and anticipate engaging in fruitful discussions.

Prof. Dr. Edilberto Oliveira Silva
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. Quantum Reports is an international peer-reviewed open access quarterly 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 1400 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.

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Further information on MDPI's Special Issue polices can be found here.

Published Papers (3 papers)

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Research

13 pages, 449 KiB  
Article
Thermodynamic Properties of an Electron Gas in a Two-Dimensional Quantum Dot: An Approach Using Density of States
by Luís Fernando C. Pereira and Edilberto O. Silva
Quantum Rep. 2024, 6(4), 664-676; https://doi.org/10.3390/quantum6040040 - 24 Nov 2024
Viewed by 510
Abstract
Potential applications of quantum dots in the nanotechnology industry make these systems an important field of study in various areas of physics. In particular, thermodynamics has a significant role in technological innovations. With this in mind, we studied some thermodynamic properties in quantum [...] Read more.
Potential applications of quantum dots in the nanotechnology industry make these systems an important field of study in various areas of physics. In particular, thermodynamics has a significant role in technological innovations. With this in mind, we studied some thermodynamic properties in quantum dots, such as entropy and heat capacity, as a function of the magnetic field over a wide range of temperatures. The density of states plays an important role in our analyses. At low temperatures, the variation in the magnetic field induces an oscillatory behavior in all thermodynamic properties. The depopulation of subbands is the trigger for the appearance of the oscillations. Full article
(This article belongs to the Special Issue New Reports on Quantum Mechanics: Discoveries, Promising Trends, and Technological Innovations)
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16 pages, 2542 KiB  
Article
Quantum Value Valuation Continuum
by Ünsal Özdilek
Quantum Rep. 2024, 6(1), 74-89; https://doi.org/10.3390/quantum6010006 - 2 Feb 2024
Viewed by 1795
Abstract
Price, cost, and income (PCI) methods are traditionally used to approximate the value state of an economic commodity such as a property. Based on the estimates of these methods, we explore how quantum theory represents the fundamental process of value valuation in practice. [...] Read more.
Price, cost, and income (PCI) methods are traditionally used to approximate the value state of an economic commodity such as a property. Based on the estimates of these methods, we explore how quantum theory represents the fundamental process of value valuation in practice. We propose that the mathematical formalism of quantum theory is a promising view and measure of economic value. To ground our exploration, we first map traditional PCI estimates onto three-dimensional spherical coordinates, which were then transformed into two-dimensional quantum states using the Bloch sphere. This step enabled the computation of eigenvalues and eigenvectors of the Hamiltonian matrix, from which the value state measures were derived. The results exhibit practical applications as well as fundamental insights into potential connections between economic and quantum value states. Full article
(This article belongs to the Special Issue New Reports on Quantum Mechanics: Discoveries, Promising Trends, and Technological Innovations)
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17 pages, 2913 KiB  
Communication
An Ultra-Energy-Efficient Reversible Quantum-Dot Cellular Automata 8:1 Multiplexer Circuit
by Mohammed Alharbi, Gerard Edwards and Richard Stocker
Quantum Rep. 2024, 6(1), 41-57; https://doi.org/10.3390/quantum6010004 - 16 Jan 2024
Cited by 2 | Viewed by 1757
Abstract
Energy efficiency considerations in terms of reduced power dissipation are a significant issue in the design of digital circuits for very large-scale integration (VLSI) systems. Quantum-dot cellular automata (QCA) is an emerging ultralow power dissipation approach, distinct from traditional, complementary metal-oxide semiconductor (CMOS) [...] Read more.
Energy efficiency considerations in terms of reduced power dissipation are a significant issue in the design of digital circuits for very large-scale integration (VLSI) systems. Quantum-dot cellular automata (QCA) is an emerging ultralow power dissipation approach, distinct from traditional, complementary metal-oxide semiconductor (CMOS) technology, for building digital computing circuits. Developing fully reversible QCA circuits has the potential to significantly reduce energy dissipation. Multiplexers are fundamental elements in the construction of useful digital circuits. In this paper, a novel, multilayer, fully reversible QCA 8:1 multiplexer circuit with ultralow energy dissipation is introduced. The power dissipation of the proposed multiplexer is simulated using the QCADesigner-E version 2.2 tool, describing the microscopic physical mechanisms underlying the QCA operation. The results show that the proposed reversible QCA 8:1 multiplexer consumes 89% less energy than the most energy-efficient 8:1 multiplexer circuit previously presented in the literature. Full article
(This article belongs to the Special Issue New Reports on Quantum Mechanics: Discoveries, Promising Trends, and Technological Innovations)
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