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477 Results Found

  • Feature Paper
  • Article
  • Open Access
1 Citations
2,430 Views
5 Pages

24 July 2022

The usual full- and half-harmonic oscillators are turned into field theories, and that behavior is examined using canonical and affine quantization. The result leads to a valid affine quantization of the half harmonic oscillator field theory, which p...

(This article belongs to the Special Issue Computational Mathematics and Mathematical Physics)
  • Article
  • Open Access
2 Citations
3,057 Views
6 Pages

19 October 2022

The usual particle in a box is turned into a field theory, and its behavior is examined using canonical and affine quantizations. The result leads to a valid affine quantization of the particle in a box field theory, which points toward further valid...

(This article belongs to the Special Issue Computational Mathematics and Mathematical Physics)
  • Review
  • Open Access
10 Citations
5,042 Views
21 Pages

25 September 2023

Affine quantization is a relatively new procedure, and it can solve many new problems. This essay reviews this new, and novel, procedure for particle problems, as well as those of fields and gravity. New quantization tools, which are extremely close...

(This article belongs to the Special Issue Advances in Quantum Theory and Quantum Computing)
  • Article
  • Open Access
9 Citations
4,590 Views
8 Pages

Dimensional Quantization and the Resonance Concept of the Low-Threshold Field Emission

  • Georgy Fursey,
  • Pavel Konorov,
  • Boris Pavlov and
  • Adil Yafyasov

12 December 2015

We present a brief critical review of modern theoretical interpretations of the low-threshold field emission phenomenon for metallic electrodes covered with carbon structures, taking the latest experiments into consideration, and confirming the conti...

(This article belongs to the Special Issue Two-Dimensional Electronics - Prospects and Challenges)
  • Article
  • Open Access
2 Citations
2,228 Views
20 Pages

Distributed Estimation of Fields Using a Sensor Network with Quantized Measurements

  • Chethaka Jayasekaramudeli,
  • Alex S. Leong,
  • Alexei T. Skvortsov,
  • David J. Nielsen and
  • Omar Ilaya

15 August 2024

In this paper, the problem of estimating a scalar field (e.g., the spatial distribution of contaminants in an area) using a sensor network is considered. The sensors are assumed to have quantized measurements. We consider distributed estimation algor...

(This article belongs to the Section Physical Sensors)
  • Feature Paper
  • Article
  • Open Access
2 Citations
2,483 Views
22 Pages

9 November 2022

This work presents a new analysis method for two-symbol symbolic time series based on the time-to-space mapping achieved through a device of current carrying circular rings. An algorithm based on the theory of prime numbers is proposed for the approx...

(This article belongs to the Special Issue Symmetry in Nonlinear Dynamics and Chaos)
  • Article
  • Open Access
1 Citations
1,276 Views
12 Pages

12 December 2025

We derive the exact eigenfunctions and energy equation for a Dirac particle in a monochromatic quantized electromagnetic plane wave and a confining scalar linear potential. It is shown that the system’s energy spectrum exhibits a forbidden regi...

  • Article
  • Open Access
9 Citations
1,582 Views
16 Pages

Fock Quantization of a Klein–Gordon Field in the Interior Geometry of a Nonrotating Black Hole

  • Jerónimo Cortez,
  • Beatriz Elizaga Navascués,
  • Guillermo A. Mena Marugán,
  • Álvaro Torres-Caballeros and
  • José Velhinho

15 September 2023

We study the canonical quantization of a scalar field in Kantowski–Sachs spacetime. For simplicity, we consider compactified spatial sections, since this does not affect the ultraviolet behavior. A time-dependent canonical transformation is per...

(This article belongs to the Section E4: Mathematical Physics)
  • Communication
  • Open Access
2 Citations
1,928 Views
9 Pages

Quantum Phenomena Inside a Black Hole: Quantization of the Scalar Field Iniside Horizon in Schwarzschild Spacetime

  • Pawel Gusin,
  • Andrzej Radosz,
  • Andy T. Augousti,
  • Janos Polonyi and ,
  • Oleg B. Zaslavskii and
  • Romuald J. Ściborski
  • + 1 author+ 0 author

We discuss the problem of the quantization and dynamic evolution of a scalar free field in the interior of a Schwarzschild black hole. A unitary approach to the dynamics of the quantized field is proposed: a time-dependent Hamiltonian governing the H...

(This article belongs to the Special Issue Elementary Particles in Astrophysics and Cosmology)
  • Feature Paper
  • Article
  • Open Access
1 Citations
1,976 Views
8 Pages

27 September 2022

Canonical quantization has created many valid quantizations that require infinite-line coordinate variables. However, the half-harmonic oscillator, which is limited to the positive coordinate half, cannot receive a valid canonical quantization becaus...

(This article belongs to the Special Issue Quantum Mechanics and Its Foundations III)
  • Article
  • Open Access
426 Views
29 Pages

Posits4Torch: Field-Programmable Gate Array-Enabled Posit Quantization Customization for PyTorch—A CenterFusion Case Study

  • Gabriel Vitor Klaumann Gubert,
  • Luis Henrique Assumpção Lolis and
  • Alessandro Zimmer

11 September 2026

The demand for energy-efficient deep learning models for autonomous driving highlights the potential of alternative number systems such as Posits. Posits are designed to improve precision, space efficiency, and dynamic range over traditional floating...

  • Communication
  • Open Access
2 Citations
2,705 Views
8 Pages

14 April 2024

Through path integral Monte Carlo computer experiments, we prove that the affine quantization of the φ44-scaled Euclidean covariant relativistic scalar field theory is a valid quantum field theory with a well-defined continuum limit of the one- a...

  • Article
  • Open Access
9 Citations
3,770 Views
20 Pages

15 November 2019

The functional Schrödinger representation of a nonlinear scalar quantum field theory in curved space-time is shown to emerge as a singular limit from the formulation based on precanonical quantization. The previously established relationship bet...

(This article belongs to the Special Issue Space-Time and Symmetry Properties: Classical and Quantum Descriptions)
  • Article
  • Open Access
917 Views
35 Pages

10 April 2026

In quantum time (QT) schemes, time is promoted to a degree of freedom, allowing Lorentz covariance to be made explicit for single particles. We ask whether this can be lifted to QFT so that Lorentz covariance becomes manifest at the Hilbert-space lev...

(This article belongs to the Special Issue Time in Quantum Mechanics)
  • Article
  • Open Access
5 Citations
4,168 Views
15 Pages

2 November 2020

Quantization of the weights and activations of a neural network is a way to drastically reduce necessary memory accesses and to replace arithmetic operations with bit-wise operations. This is especially beneficial for the implementation on field-prog...

(This article belongs to the Section Computer Science & Engineering)
  • Article
  • Open Access
2 Citations
2,380 Views
13 Pages

Quantum Channel Extreme Bandgap AlGaN HEMT

  • Michael Shur,
  • Grigory Simin,
  • Kamal Hussain,
  • Abdullah Mamun and ,
  • M. V. S. Chandrashekhar and
  • Asif Khan
  • + 1 author+ 0 author

15 November 2024

An extreme bandgap Al0.64Ga0.36N quantum channel HEMT with Al0.87Ga0.13N top and back barriers, grown by MOCVD on a bulk AlN substrate, demonstrated a critical breakdown field of 11.37 MV/cm—higher than the 9.8 MV/cm expected for the channel&rs...

(This article belongs to the Special Issue RF and Power Electronic Devices and Applications)
  • Article
  • Open Access
449 Views
21 Pages

Some Remarks on the Gupta–Bleuler and Dirac–Fock Quantization Schemes

  • Anatolij K. Prykarpatski and
  • Nikolai N. Bogolubov

The classical Gupta–Bleuler quantization scheme in quantum electromagnetic field theory, based on the so-called “weakened” Lorenz subsidiary condition and indefinite metric on the reduced Fock space, is revisited within the context...

(This article belongs to the Section Quantum Gravity and Field Theory)
  • Article
  • Open Access
8 Citations
4,103 Views
49 Pages

11 January 2020

In this work, we present an overview of uniqueness results derived in recent years for the quantization of Gowdy cosmological models and for (test) Klein-Gordon fields minimally coupled to Friedmann-Lemaître-Robertson-Walker, de Sitter, and Bia...

(This article belongs to the Special Issue Mathematical and Computational Cosmology)
  • Article
  • Open Access
5 Citations
2,548 Views
29 Pages

28 March 2023

In a long series of works, it has been demonstrated that the spin-charge-family theory, assuming a simple starting action in even dimensional spaces with d≥(13+1), with massless fermions interacting with gravity only, offers the explanation for al...

(This article belongs to the Special Issue Symmetry beyond the Standard Models of Cosmology, High Energy Physics and Quantum Field Theory)
  • Article
  • Open Access
8 Citations
3,236 Views
32 Pages

Quantization of a New Canonical, Covariant, and Symplectic Hamiltonian Density

  • David Chester,
  • Xerxes D. Arsiwalla,
  • Louis H. Kauffman,
  • Michel Planat and
  • Klee Irwin

6 March 2024

We generalize Koopman–von Neumann classical mechanics to poly symplectic fields and recover De Donder–Weyl’s theory. Compared with Dirac’s Hamiltonian density, it inspires a new Hamiltonian formulation with a canonical momentu...

(This article belongs to the Section C: Physics)
  • Article
  • Open Access
5 Citations
1,680 Views
29 Pages

23 June 2025

This study addresses the heterogeneous formation control problem for cooperative unmanned aerial vehicles (UAVs) and unmanned surface vehicles (USVs) operating under input quantization constraints. A unified mathematical framework is developed to har...

(This article belongs to the Special Issue Control System of Autonomous Surface Vehicles)
  • Feature Paper
  • Article
  • Open Access
1 Citations
1,063 Views
27 Pages

2QGRU: Power-of-Two Quantization for Efficient FPGA-Based Gated Recurrent Unit Architectures

  • Miguel Molina Fernandez,
  • Shao Jie Hu Chen,
  • Javier Mendez Gomez,
  • Diego P. Morales Santos and ,
  • Manuel Pegalajar Cuellar and
  • Marisa Lopez-Vallejo
  • + 1 author+ 0 author

This paper proposes a power-of-two-based quantization technique aimed at improving the hardware efficiency of artificial neural networks (ANNs) implemented on field-programmable gate arrays (FPGAs). The effectiveness of the proposed approach is valid...

  • Article
  • Open Access

12 November 2026

One century after Schrödinger’s 1926 papers, the optical–mechanical analogy remains a useful guide to wave mechanics. This pedagogical perspective connects action and phase, stationary states, superposition, field modes, and electrom...

(This article belongs to the Special Issue Exclusive Quantum Reports Feature Papers for 2026–2027)
  • Feature Paper
  • Article
  • Open Access
13 Citations
20,331 Views
26 Pages

30 November 2024

We present the Quantum Memory Matrix (QMM) hypothesis, which addresses the longstanding Black Hole Information Paradox rooted in the apparent conflict between Quantum Mechanics (QM) and General Relativity (GR). This paradox raises the question of how...

(This article belongs to the Special Issue The Black Hole Information Problem)
  • Article
  • Open Access
3,347 Views
15 Pages

16 December 2021

A simple example of classical physics may be defined as classical variables, p and q, and quantum physics may be defined as quantum operators, P and Q. The classical world of p&q, as it is currently understood, is truly disconnected from the quan...

(This article belongs to the Special Issue Quantum Mechanics and Its Foundations II)
  • Article
  • Open Access
2 Citations
1,561 Views
12 Pages

30 November 2023

One of the challenging riddles that is set by light is: do photons have wavefunctions like other elementary particles do? Wave–particle duality has been a prevailing fact since the beginning of quantum theory thought; in electromagnetism, light...

(This article belongs to the Section Optoelectronics)
  • Article
  • Open Access
4 Citations
2,716 Views
19 Pages

27 November 2023

In various industrial domains, machinery plays a pivotal role, with bearing failure standing out as the most prevalent cause of malfunction, contributing to approximately 41% to 44% of all operational breakdowns. To address this issue, this research...

(This article belongs to the Special Issue Smart Sensing for Failure Diagnosis in Structures and Machine Components)
  • Article
  • Open Access
20 Citations
4,142 Views
24 Pages

CNN Hardware Accelerator for Real-Time Bearing Fault Diagnosis

  • Ching-Che Chung,
  • Yu-Pei Liang and
  • Hong-Jin Jiang

25 June 2023

This paper introduces a one-dimensional convolutional neural network (CNN) hardware accelerator. It is crafted to conduct real-time assessments of bearing conditions using economical hardware components, implemented on a field-programmable gate array...

(This article belongs to the Topic Applied Computing and Machine Intelligence (ACMI))
  • Article
  • Open Access
1 Citations
5,581 Views
6 Pages

Entropy for the Quantized Field in the Atom-Field Interaction: Initial Thermal Distribution

  • Luis Amilca Andrade-Morales,
  • Braulio M. Villegas-Martínez and
  • Hector M. Moya-Cessa

23 September 2016

We study the entropy of a quantized field in interaction with a two-level atom (in a pure state) when the field is initially in a mixture of two number states. We then generalise the result for a thermal state; i.e., an (infinite) statistical mixture...

(This article belongs to the Collection Advances in Applied Statistical Mechanics)
  • Article
  • Open Access
1 Citations
2,699 Views
12 Pages

Since Mars is far away from Earth, the propagation delay between Mars and Earth is very large. To ensure the effective use of the link transmission bandwidth, China’s first Mars exploration mission has put forward a demand for data compression...

(This article belongs to the Topic Radar Signal and Data Processing with Applications)
  • Article
  • Open Access
7 Citations
3,498 Views
36 Pages

Recent advancements in neural networks (NNs) have underscored their potential for deployment in domains that demand computationally intensive operations, including applications on resource-constrained edge devices. This study investigates the integra...

(This article belongs to the Special Issue Permanent Magnet Motors and Driving Control for Electric Vehicles)
  • Review
  • Open Access
6 Citations
3,097 Views
48 Pages

Uniqueness Criteria for the Fock Quantization of Dirac Fields and Applications in Hybrid Loop Quantum Cosmology

  • Jerónimo Cortez,
  • Beatriz Elizaga Navascués,
  • Guillermo A. Mena Marugán,
  • Santiago Prado and
  • José M. Velhinho

13 December 2020

In generic curved spacetimes, the unavailability of a natural choice of vacuum state introduces a serious ambiguity in the Fock quantization of fields. In this review, we study the case of fermions described by a Dirac field in non-stationary spaceti...

  • Article
  • Open Access
9 Citations
2,647 Views
12 Pages

Influence of an External Classical Field on a ♢ Four-Level Atom Inside a Quantized Field

  • Eied Mahmoud Khalil,
  • Hanaa Abu-Zinadah and
  • Mahmoud Youssef Abd-Rabbou

14 April 2022

In this paper, we study the effect of detuning parameters and driven external classical field parameters on a quantum system consisting of a ♢-configuration four-level atom inside a quantized cavity field. Under some canonical conditional of dr...

  • Article
  • Open Access
3,665 Views
17 Pages

This paper describes two cases of interaction between a quantized electromagnetic field and two different XY spin molecules; one with spins ½, and the other with spins 1. Both interact with a quantized electromagnetic field, with one of the sp...

(This article belongs to the Section Spin Crossover and Spintronics)
  • Communication
  • Open Access
1,708 Views
9 Pages

Quantized p-Form Gauge Field in D-Dimensional de Sitter Spacetime

  • Emanuel W. D. Dantas,
  • Geová Alencar,
  • Ilde Guedes and
  • Milko Estrada

28 June 2024

In this work, we utilize the dynamic invariant method to obtain a solution for the time-dependent Schrödinger equation, aiming to explore the quantum theory of a p-form gauge field propagating in D-dimensional de Sitter spacetimes. Thus, we pres...

(This article belongs to the Special Issue Quantum Physics including Gravity: Highlights and Novelties)
  • Article
  • Open Access
1 Citations
8,126 Views
15 Pages

Entropy of Black Holes: A Quantum Algebraic Approach

  • A. Iorio,
  • G. Lambiase and
  • G. Vitiello

3 February 2003

In this paper we apply to a class of static and time-independent geometries the recently developed formalism of deformed algebras of quantum fields in curved backgrounds. In particular we derive: i) some non-trivial features of the entanglement of th...

(This article belongs to the Special Issue Recent Advances in Entanglement and Quantum Information Theory)
  • Article
  • Open Access
9 Citations
6,005 Views
20 Pages

Customizable FPGA-Based Hardware Accelerator for Standard Convolution Processes Empowered with Quantization Applied to LiDAR Data

  • João Silva,
  • Pedro Pereira,
  • Rui Machado,
  • Rafael Névoa and ,
  • Pedro Melo-Pinto and
  • Duarte Fernandes
  • + 1 author+ 0 author

11 March 2022

In recent years there has been an increase in the number of research and developments in deep learning solutions for object detection applied to driverless vehicles. This application benefited from the growing trend felt in innovative perception solu...

(This article belongs to the Special Issue Artificial Intelligence and Internet of Things in Autonomous Vehicles)
  • Review
  • Open Access
11 Citations
3,986 Views
50 Pages

A method for consistent quantization of conformal gravity treating conformal symmetry in a very controllable way is presented. First, we discuss local conformal symmetry in the framework of gravitational interactions, where we view it as an example o...

(This article belongs to the Special Issue The Quantum & The Gravity)
  • Article
  • Open Access
5 Citations
1,333 Views
14 Pages

9 December 2024

The quantum electromagnetic (EM) field is formulated in the Weyl–Wigner representation (WW), which is equivalent to the standard Hilbert space one (HS). In principle, it is possible to interpret within WW all experiments involving the EM field...

(This article belongs to the Special Issue Quantum Field Theory, 2nd Edition)
  • Article
  • Open Access
1 Citations
592 Views
21 Pages

Enhanced Energy Harvesting in Photovoltaic Systems with FPGA-Based 2QGRU Controllers

  • Miguel Molina Fernandez,
  • Juan Cruz-Cozar,
  • Jorge Perez-Martinez,
  • Alfredo Medina-Garcia and ,
  • Diego P. Morales Santos and
  • Manuel Pegalajar Cuellar
  • + 1 author+ 0 author

Conventional Maximum Power Point Tracking (MPPT) algorithms, such as Perturb and Observe (P&O), suffer from steady-state oscillations and slow convergence under rapidly varying environmental conditions, leading to suboptimal energy extraction and...

  • Article
  • Open Access
1,241 Views
44 Pages

Quantum Theory of a Single Photon in an Arbitrary Medium

  • Ashot S. Gevorkyan,
  • Aleksandr V. Bogdanov and
  • Vladimir V. Mareev

The quantum motion of a photon in an arbitrary medium was considered within the framework of the gauge symmetry group SU(2)⊗U(1) using the Yang–Mills (Y-M) equations for Abelian fields. A system of second-order partial differential equat...

(This article belongs to the Special Issue Selected Papers from “The Modern Physics of Compact Stars and Relativistic Gravity 2025”)
  • Article
  • Open Access
500 Views
39 Pages

27 August 2026

The description of the internal spaces of fermion and boson fields with “basis vectors”, which are the superpositions of odd and even products of the operators γa, with the index a running in internal and external space-time, sugges...

(This article belongs to the Special Issue Beyond the Standard Models of Physics and Cosmology: 2nd Edition)
  • Article
  • Open Access
5,173 Views
21 Pages

15 December 2014

Fundamental problems of quantum field theory related to the representation problem of canonical commutation relations are discussed within a gauge field version of a van Hove-type model. The Coulomb field generated by a static charge distribution is...

  • Article
  • Open Access
14 Citations
4,594 Views
16 Pages

24 November 2022

This paper provides elements in support of the random zero-point radiation field (zpf) as an essential ontological ingredient needed to explain distinctive properties of quantum-mechanical systems. We show that when an otherwise classical particle is...

(This article belongs to the Special Issue Completeness of Quantum Theory: Still an Open Question)
  • Article
  • Open Access
1 Citations
2,499 Views
11 Pages

Practical mesoscopic devices based on quantum point contacts (QPCs) must function at operating point involving large internal driving fields. Experimental evidence has accumulated to display anomalous nonlinear features of QPC response beyond the cap...

(This article belongs to the Special Issue New Advances in Condensed Matter Physics)
  • Article
  • Open Access
2 Citations
2,662 Views
19 Pages

15 August 2022

Ultra-high energy (UHE) photons with energies exceeding 1018eV can potentially be observed. They are produced in various processes involving electrically charged particles. However, more exotic scenarios are also possible. UHE photons could be emitte...

(This article belongs to the Special Issue Ultra High Energy Photons)
  • Article
  • Open Access
447 Views
10 Pages

While, in standard quantization, the energy spectrum of an oscillator does not depend on its mass, in Planck length deformed quantization, the energy spectrum becomes mass-dependent. That means that the field oscillator masses will source a gravitati...

(This article belongs to the Special Issue The 10th Anniversary of Universe: Standard Cosmological Models, and Modified Gravity and Cosmological Tensions)
  • Article
  • Open Access
2,653 Views
21 Pages

Nonperturbative Quantization Approach for QED on the Hopf Bundle

  • Vladimir Dzhunushaliev and
  • Vladimir Folomeev

We consider the Dirac equation and Maxwell’s electrodynamics in R×S3 spacetime, where a three-dimensional sphere is the Hopf bundle S3→S2. In both cases, discrete spectra of classical solutions are obtained. Based on the solutions obtained, the quant...

(This article belongs to the Special Issue Selected Papers from the 1st International Electronic Conference on Universe (ECU 2021))
  • Article
  • Open Access
8 Citations
6,174 Views
22 Pages

21 March 2023

In the field of machine learning, vector quantization is a category of low-complexity approaches that are nonetheless powerful for data representation and clustering or classification tasks. Vector quantization is based on the idea of representing a...

(This article belongs to the Special Issue Quantum Machine Learning 2022)

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