Open Access Open Access  Restricted Access Access granted  Restricted Access Subscription Access

Vol 8, No 3 (2021)

Articles

Conference “Quantum Informatics - 2021”

- -.
Computational nanotechnology. 2021;8(3):11-12
pages 11-12 views

On the Physical Representation of Quantum Systems

Gerck E.

Abstract

The Schrödinger equation for bound states depends on a second derivative, that only exists if the solution is continuous, which is - by itself - contradictory, and cannot be digitally calculated. Photons can be created in-phase by stimulated emission or annihilated by spontaneous absorption, and break the LEM, more likely at lower frequencies, and even in vacuum. Thus, the number of particles is not conserved, e.g., in the double-slit experiment, even at low-light intensity. Physical representations of quantum computation (QC), cannot, thus, follow some customarily assumed aspects of quantum mechanics. This is solved by considering the Schrödinger equation depending on the curvature, which is expressed exactly as a difference equation, works for any wavelength, and is variationally solved for natural numbers, representing naturally the quantum energy levels. This leads to accepting both forms in a universality model. Further, one follows the Bohr model in QC, in a software-defined QC, where GF(2m) can be used with binary logic to implement in software Bohr’s idea of “many states at once”, without breaking the LEM, in the macro, without necessarily using special hardware (e.g. quantum annealing), or incurring in decoherence, designed with today’s binary computers, even a cell phone.
Computational nanotechnology. 2021;8(3):13-18
pages 13-18 views

Bell-Inequality and Two Slit Experiments: Comparing Misapplication of Classical Probability by Feynman and Bell

Khrennikov A.

Abstract

We start with the discussion on misapplication of classical probability theory by Feynman in his analysis of the two slit experiment (by following the critical argumentation of Koopman, Ballentine, and the author of this paper). The seed of Feynman’s conclusion on the impossibility to apply the classical probabilistic description for the two slit experiment is treatment of conditional probabilities corresponding to different experimental contexts as unconditional ones. Then we move to the Bell type inequalities. Bell applied classical probability theory in the same manner as Feynman and, as can be expected, he also obtained the impossibility statement. In contrast to Feynman, he formulated his no-go statement not in the probabilistic terms, but by appealing to nonlocality. This note can be considered as a part of the author’s attempts for getting rid off nonlocality from quantum physics.
Computational nanotechnology. 2021;8(3):19-22
pages 19-22 views

Jordan-Wigner Transformation and Qubits with Nontrivial Exchange Rule

Vlasov A.Y.

Abstract

Well-known (spinless) fermionic qubits may need more subtle consideration in comparison with usual (spinful) fermions. Taking into account a model with local fermionic modes, formally only the ’occupied’ states |1〉 could be relevant for antisymmetry with respect to particles interchange, but ‘vacuum’ state |0〉 is not. Introduction of exchange rule for such fermionic qubits indexed by some ‘positions’ may look questionable due to general super-selection principle. However, a consistent algebraic construction of such ‘super-indexed’ qubits is presented in this work. Considered method has some relation with construction of super-spaces, but it has some differences with standard definition of supersymmety sometimes used for generalizations of qubit model.
Computational nanotechnology. 2021;8(3):23-28
pages 23-28 views

Tri-State+ Communication Symmetry Using the Algebraic Approach

Gerck E.

Abstract

This work uses the algebraic approach to show how we communicate when applying the quantum mechanics (QM) concept of coherence, proposing tri-state+ in quantum computing (QC). In analogy to Einstein’s stimulated emission, when explaining the thermal radiation of quantum bodies in communication, this work shows that one can use the classical Information Theory by Shannon (with two, random logical states only, “0” and “1”, emulating a relay), and add a coherent third truth value Z, as a new process that breaks the Law of the Excluded Middle (LEM). Using a well-known result in topology and projection as a “new hypothesis” here, a higher dimensional state can embed in a lower-dimensional state. This means that any three-valued logic system, breaking the LEM, can be represented in a binary logical system, obeying the LEM. This satisfies QC in behavior, offering multiple states at the same time in GF(3m), but frees the implementation to use binary logic and LEM. This promises to allow indeterminacy, such as contingency, reference failure, vagueness, majority voting, conditionals, computability, the semantic paradoxes, and many more, to play a role in logic synthesis, with a much better resolution of indeterminate contributions to obtain coherence and help cybersecurity. We establish a link between Einstein’s and Shannon’s theories in QM, hitherto not reported, and use it to provide a model for QC without relying on external devices (i.e., quantum annealing), or incurring in decoherence. By focusing on adequate software, this could replace the emphasis in QC, from hardware to software.
Computational nanotechnology. 2021;8(3):29-35
pages 29-35 views

Technical and Economic Aspects of Improving the Processes of Manufacturing Laser Gyroscopes Using Methods of Computer Simulation

Kuznetsov E.V., Ermakov D.N., Samusenko O.E., Golyaev Y.D., Kolbas Y.Y., Kofanov Y.N., Solovyeva T.I., Kuznetsov N.E., Vinokurov Y.A.

Abstract

The article discusses ways to improve the quality and economic efficiency of the development and production of complex innovative electronic devices, which include laser gyroscopes (LGs). The problems arising in ensuring the reliable operation of the LG in a wide temperature range, associated with the dense arrangement of the device, are described. The theoretical principles and mathematical apparatus that are used in the construction of thermal models of triaxial LGs with electronics are considered in detail. A developed algorithm for constructing a thermal model of an LG, which provides for a gradual disaggregation (zooming) procedure, is presented. The process of modeling the LG using the ASONIKA system is described, the constructed thermal model of the LG is presented, as well as the thermal field of one of the printed circuit assemblies of the LG. The detected thermally loaded electronic components are indicated. The results of experimental verification of the accuracy of modeling by means of real measurements by temperature sensors of temperatures in the nodes of the model, which have confirmed the reliability of thermal modeling using the ASONIKA system, are presented. It is emphasized that the cost of manufacturing and testing LG is quite high. Therefore, the task of finding ways to reduce the cost at the stages of development and production of LG while ensuring an increase in the quality and reliability of manufactured devices is extremely urgent. Accurate thermal modeling at early stages of development is an effective way to solve this problem due to savings in testing and redesign costs, as well as due to the use of an inexpensive domestic computer simulation system ASONIKA.
Computational nanotechnology. 2021;8(3):36-49
pages 36-49 views

On the Complexity of Specifying a Symmetric Group of Permutations of Degree 2n in a Threshold Basis on a Promising Element Base

Nikonov V.G., Zobov A.I., Nikonov N.V.

Abstract

The appeal to the threshold method of setting substitutions reflects the current trends towards increasing the speed of information processing and transmission connected with the possibility of implementing threshold functions directly in the signal carrier medium, primarily in optics or on other carriers related to the field of nanotechnology. In addition, the actively developing direction of building neurocomputers also requires the development of information protection systems using the basic operations of neurocomputers-threshold elements. The aim of the study was to find a way to construct a symmetric group of substitutions of degree 2n in the threshold basis. For this purpose, a method for implementing transpositions is proposed, with the help of which any transposition can be constructed, which allows us to say that it is possible to implement the entire symmetric group of substitutions of degree 2n. From a computational point of view, the provisions of the article are of exceptional interest due to the simplicity of the algorithm for implementing substitutions.
Computational nanotechnology. 2021;8(3):50-58
pages 50-58 views

Efficiency determination problems for SiC*/Si microstructures and contact formation

Chepurnov V.I., Rajapov S.A., Dolgopolov M.V., Puzyrnaya G.V., Gurskaya A.V.

Abstract

The paper discusses the efficiency of converting radionuclide energy into electrical energy inside a semiconductor structure in the context of the betavoltaic application. In the molecular composition of Silicon Carbide semiconductor structures, Carbon-14 atoms functionally serve as the source of radiochemical decay energy, and the conductivity component of the n- or p-type semiconductor structure is able to directly convert this energy into electrical form. The proposed version of the beta-converter based on the C-14 radionuclide has a worldwide novelty, since this radionuclide is used in the concentration at the level of an alloying impurity that replaces the stable Carbon-12 atoms in the Silicon Carbide molecule. The presence in small quantities, one atom of the radioisotope C-14 per thousand or even a million atoms of the stable radioisotope C-12, gives the semiconductor material new energy-useful properties. The manifestations of the betavoltaic effect when replacing Silicon Carbide C-12 with radionuclide C-14 in a molecule determine the efficiency and choice of the contact formation options for practical use of charge generation in Silicon Carbide heterostructures.
Computational nanotechnology. 2021;8(3):59-68
pages 59-68 views

Theoretical and Methodological Study of the Metrological Support System

Isgandarzada E.B., Valiyev G.S., Ahmadli S.V., Zulfugarova A.Y., Islamova U.R.

Abstract

The system of metrological support is the basis of product quality management at a machine-building enterprise. The most important element of metrological support is the real quality parameters. It was studied that the administrative management system does not create conditions for the implementation of objective technical management and, as a result, for the optimization of the management structure, reduction of production costs and quality assurance. This problem can be solved only through the development of appropriate mathematical models of metrological support systems and production process control. However, in order to build mathematical models of metrological support and production process control systems, it is necessary to establish functional and structural diagrams of the technological process and form a process for obtaining graphic models using product reliability parameters. A model is a simplified system that reflects individual elements and more important aspects of the process under study. The same process can be described by different models, and one model can describe different processes. One of the most important and difficult issues in modeling is the definition of key indicators of the system, which should more fully reflect the quality of the product. These parameters include failure, durability, time spent on product development and commissioning, etc. Thus, the problem of modeling a metrological assurance system can be formulated as follows: it is necessary to find a system that meets the aggregate requirements of the initial data, and in this case the quality indicators should have the best values in accordance with a previously selected higher criterion.
Computational nanotechnology. 2021;8(3):69-75
pages 69-75 views

Model and Algorithm for Risk Management of Firefighters’ Deaths During Fire Extinguishing at Metallurgical Enterprises

Denisov A.N., Tsokurova I.G., Anikin S.N.

Abstract

The approbation of the application of the model and the algorithm for supporting the management of the forces and means of the firefighting and rescue garrison based on the model, which provides for the risk management of firefighters’ deaths within the framework of the existing conditions for achieving the main task of fire departments, based on neural networks, has been carried out. Researchers have considered a model of management of fire and rescue units based on the applied methods of observation, description and modeling, including, among other things, the process of risk management of firefighters’ deaths. To achieve the set goals, the formalization of the management model for fire and rescue units was carried out. The subject of the research is the risk management of firefighters’ deaths during fire extinguishing at metallurgical enterprises when unloading raw materials from rolling stock onto conveyor belts of the enterprise, including by implementing a model of management of fire and rescue units based on neural networks. The obtained results can be used to support the management of fire and rescue units during fire extinguishing at metallurgical enterprises when unloading raw materials from rolling stock onto conveyor belts of the enterprises. This work is intended for people who make managerial decisions and who manage forces and means during fire extinguishing at metallurgical enterprises.
Computational nanotechnology. 2021;8(3):76-85
pages 76-85 views

An Analysis of the Efficiency of Using a Planetary Vibrodrive with Kinematically Unbalanced Masses in a Vibratory Apparatus for Mixing Liquid Media

Zakirov R.G., Nekrutov V.G.

Abstract

The purpose of the research is to analyze the efficiency of using a planetary vibrodrive (vibratory drive) with kinematically unbalanced masses in a vibratory apparatus for mixing liquid media. The article gives a theoretical justification of the effectiveness of supplementing the configuration of a vibrodrive with an additional inertia block and presents the results of computer simulation of the oscillatory processes arising in the system, which reflect the predominant features of the proposed design solution. The use of a planetary vibrodrive with kinematically unbalanced masses allows one to create high-frequency controlled circular oscillations of the working body. At the same time, the inclusion of an additional rotatable body into the system increases the range of controlling the oscillation parameters of the working body and enables to regulate independently the oscillation amplitude and frequency. The independence of the vibration parameter control allows one to ensure a uniform distribution of the velocities of the stirred liquid motion to obtain a homogeneous dispersion medium. The proposed design solution increases the efficiency of the ongoing vibromechanical processes and adds a supplementary cavitation factor of influence on the liquid medium. Hydrodynamic cavitation, which is created due to the liquid pulsation when the slots on the rotating elements of the vibrodrive are closed, eliminates the presence of stagnant zones in the mixed medium. Due to the use of a planetary vibrodrive with a rotating support body in a vibratory apparatus for mixing liquid media, the technological process of obtaining medium and highly dispersed emulsions is intensified at minor changes in the design of the apparatus. The improved technological capabilities of the process of mixing liquid mixtures allow one to mix substances with different properties of the dispersion phase. In this case, dispersion phases can be both liquid and solid, which are crushed and mixed in a dispersion liquid medium. Conclusion. The use of a planetary vibrodrive with kinematically unbalanced masses in a vibratory apparatus for mixing liquid media increases the efficiency of the technological process and simultaneously increases the quality indicators of the resulting emulsions and suspensions.
Computational nanotechnology. 2021;8(3):86-93
pages 86-93 views

This website uses cookies

You consent to our cookies if you continue to use our website.

About Cookies