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Railway Computer Application

Research and applications on Quantum Computer

LI Ji-rong

Published Jan 1, 2007• 0 citations
OpenAlex

Abstract

The newest research directions of quantum computatin were introduced, the applications of quantum computation technologies in secret communication, cryptography systemand database searching were also expounded. The advantages of quantum computer compared with classical computer and restrain quantum computer from use main factors of development at present were also analyzed, looked forward its future development trend finally.

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The newest research directions of quantum computatin were introduced, the applications of quantum computation technologies in secret communication, cryptography systemand database searching were also expounded. The advantages of quantum computer compared with classical computer and restrain quantum computer from use main factors of development at present were also analyzed, looked forward its future development trend finally.
Building on the fundamental principles of quantum computing, this paper sequentially presents the development of quantum computing and its associated application domains. We also analyze and compare the differences between quantum and classical computing, highlighting the benefits of quantum computing for specific problems. To comprehend the advantages of quantum computing in particular fields, extensive research has been conducted in three areas: cryptography, chemistry, and artificial intelligence. We also discuss the wider applications of this emerging technology for future investigation, considering the current state of quantum computing development and anticipated trends.
As a strategic frontier technology, quantum cryptography and quantum computation are closely related to national security and forward-looking technology strategy, and the application of quantum computation in the future will definitely promote the large-scale application of quantum networks. We briefly review the research progress of quantum secure communication and quantum computing and focus on the introduction of the high-performance quantum key distribution (QKD) terminal, quantum network, basic scientific problems of quantum computing in quantum chip devices and qubits manipulation and some practical important quantum technologies such as the integration of quantum and classical communication.
With the continuous progress of quantum computing and quantum communication technology, the application of quantum algorithms in future communication networks is increasingly promising. Quantum algorithms have computing power beyond traditional algorithms and can effectively improve the performance and security of communication networks, especially in the field of electronics and communication engineering, showing great potential. In this paper, the application of quantum algorithms in future communication networks is discussed in depth, focusing on the analysis of quantum communication protocols, the application of quantum computing in network optimization, and the innovative methods of quantum algorithms in enhancing network security. By systematically analyzing the basic principles, application examples and development trends of quantum algorithms, this paper aims to provide theoretical support and technical reference for the design and realization of future communication networks. Finally, this paper summarizes the current challenges in the application of quantum algorithms and looks forward to the future development direction of its wide application in electronics and communication engineering.
Abstract Advances in quantum technologies have prompted renewed interest in computational models that extend beyond the capabilities of classical systems. Quantum computing, grounded in the principles of quantum mechanics, introduces novel mechanisms for information processing that challenge conventional assumptions in computer science. This paper critically examines the role of quantum computing across core computer science domains by integrating foundational theory with application-oriented research. Existing studies in cryptography, optimization, artificial intelligence, database search, and system simulation are analyzed to assess both demonstrated capabilities and practical constraints. The discussion emphasizes the increasing relevance of hybrid quantum–classical approaches in the current technological landscape, while identifying key limitations related to scalability, noise, and algorithmic feasibility. By consolidating theoretical insights with applied perspectives, this work provides a realistic assessment of the present state of quantum computing and outlines research directions essential for its effective integration into future computational systems.
Abstract Advances in quantum technologies have prompted renewed interest in computational models that extend beyond the capabilities of classical systems. Quantum computing, grounded in the principles of quantum mechanics, introduces novel mechanisms for information processing that challenge conventional assumptions in computer science. This paper critically examines the role of quantum computing across core computer science domains by integrating foundational theory with application-oriented research. Existing studies in cryptography, optimization, artificial intelligence, database search, and system simulation are analyzed to assess both demonstrated capabilities and practical constraints. The discussion emphasizes the increasing relevance of hybrid quantum–classical approaches in the current technological landscape, while identifying key limitations related to scalability, noise, and algorithmic feasibility. By consolidating theoretical insights with applied perspectives, this work provides a realistic assessment of the present state of quantum computing and outlines research directions essential for its effective integration into future computational systems.