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 4728

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Departamento de Física, Universidade Federal do Maranhão, São Luis 65085-580, Brazil
Interests: quantum mechanics; topological defects; relativistic quantum mechanics
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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

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Published Papers (2 papers)

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Research

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 1558
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
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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 1572
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
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