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This book provides a comprehensive overview of the rapidly advancing research in quantum networks, both in theory and application. While the classical internet has become essential in our daily lives, its communication techniques have limitations, such as vulnerability to interception and eavesdropping. Quantum networks, by transmitting quantum qubits, address these security concerns using the principles of quantum mechanics, such as superposition, no-cloning, and Heisenberg uncertainty. Kimble first proposed the concept of a quantum internet in 2008, envisioning a network that harnesses quantum devices and laws to transmit information. Wehner and colleagues reviewed the steps necessary to achieve a quantum internet in 2018, outlining development stages leading to increasingly powerful applications. While a fully functional quantum internet is still in progress, significant advances have been made through experiments, such as satellite-based quantum key distribution networks and quantum metropolitan area networks. This book aims to provide a unified theoretical framework for students and researchers interested in the quantum internet, offering insights into topics like network communication theory, secure communication, distributed computation, nonlocality, and quantum configuration. By presenting cutting-edge research and potential applications in the field of quantum information processing, including the quantum internet, this book stands out as a valuable resource for beginners, undergraduate students, graduate students, and researchers in physics, computer science, and information science. It bridges the gap between theoretical perspectives and practical applications, offering a comprehensive guide to the exciting possibilities of quantum networks.

Quantum computing. --- Quantum communication. --- Quantum physics. --- Quantum computers. --- Quantum Information. --- Quantum Communications and Cryptography. --- Quantum Physics. --- Quantum Computing.

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This book highlights quantum optics technologies that can revolutionize the way we encode, store, transmit, and handle information. These technologies can help us overcome bottlenecks in classical physics-based information technology in information transmission capacity, computing speed, and information security. The book provides readers with new perspectives on potential applications of the quantum theory. Besides, the book summaries the research advances in quantum optics and atom optics, including manipulation and construction of the quantum states of photons and even atoms, molecules, and matter at the quantum level, and new phenomena and technologies brought about by the interactions between photons and the quantum states of matter. The book provides extensive and thoroughly exhaustive coverage of quantum optics. It is suitable for researchers and graduate students of optical physics and quantum optics.

Quantum optics. --- Quantum computers. --- Quantum communication. --- Atoms. --- Molecules. --- Quantum Optics. --- Quantum Computing. --- Quantum Communications and Cryptography. --- Atomic, Molecular and Chemical Physics.

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This book presents the current state of the literature on the fields of homomorphic and searchable encryption, from both theoretical and practical points of view. Homomorphic and searchable encryption are still relatively novel and rapidly evolving areas and face practical constraints in the contexts of large-scale cloud computing and big data. Both encryption methods can be quantum-resistant if they use the right mathematical techniques. In fact, many fully homomorphic encryption schemes already use quantum-resistant techniques, such as lattices or characteristics of polynomials – which is what motivated the authors to present them in detail. On the one hand, the book highlights the characteristics of each type of encryption, including methods, security elements, security requirements, and the main types of attacks that can occur. On the other, it includes practical cases and addresses aspects like performance, limitations, etc. As cloud computing and big data already represent the future in terms of storing, managing, analyzing, and processing data, these processes need to be made as secure as possible, and homomorphic and searchable encryption hold huge potential to secure both the data involved and the processes through which it passes. This book is intended for graduates, professionals and researchers alike. Homomorphic and searchable encryption involve advanced mathematical techniques; accordingly, readers should have a basic background in number theory, abstract algebra, lattice theory, and polynomial algebra.

Data protection. --- Quantum communication. --- Artificial intelligence --- Cryptography. --- Data encryption (Computer science). --- Security systems. --- Data and Information Security. --- Quantum Communications and Cryptography. --- Data Science. --- Cryptology. --- Security Science and Technology. --- Data processing.

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This book covers the latest advancements and applications of nonlinear dynamics in various fields of science and engineering, presenting a curated selection of peer-reviewed contributions at the 2nd International Conference on Nonlinear Dynamics and Applications (ICNDA 2024) at Sikkim Manipal Institute of Technology (SMIT). Organized by the Department of Mathematics, SMIT, SMU, this international conference provides a platform for scientists, researchers, and inventors to share their findings and exchange ideas in the ever-evolving field of nonlinear dynamics. This book comprises three volumes. Volume 1 focuses on the investigation of nonlinear waves and plasma dynamics. It covers topics such as strong Landau damping, electron plasma waves, ion-acoustic waves, dusty plasma, dust-acoustic waves, dust-ion-acoustic waves, kinetic Alfven waves, solitary wave, shock waves, periodic wave, cnoidal wave, superperiodic wave, soliton, resonance, lump soliton, multi-soliton, breather wave, upper hybrid wave, atmospheric internal wave, mathematical and analytical methods, quantum and relativistic plasmas, wave instabilities and interactions, fractional and complex systems, nonlinear optical phenomena, Gaussian laser beam, chaos and multistability, and other specific plasma studies.

System theory. --- Plasma waves. --- Quantum communication. --- Soft condensed matter. --- Bioinformatics. --- Machine learning. --- Complex Systems. --- Waves, instabilities and nonlinear plasma dynamics. --- Quantum Communications and Cryptography. --- Fluids. --- Computational and Systems Biology. --- Machine Learning.

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The edited book is a consolidated handbook on quantum computing that covers quantum basic science and mathematics to advanced concepts and applications of quantum computing and quantum machine learning applied to diverse domains. The book includes dedicated chapters on introduction to quantum computing, its practical applications, the working behind quantum systems, quantum algorithms, quantum communications, and quantum cryptography. Each challenge that can be addressed with quantum technologies is further discussed from theoretical and practical perspectives. The book is divided into five parts: Part I: Scientific Theory for Quantum, Part II: Quantum Computing: Building Concepts, Part III: Quantum Algorithms- Theory & Applications, Part IV: Quantum Simulation Tools & Demonstrations, and Part V: Future Direction and Applications.

Mechanics, Applied. --- Quantum computing. --- Quantum computers. --- Quantum communication. --- Engineering Mechanics. --- Quantum Information. --- Quantum Computing. --- Quantum Communications and Cryptography. --- Quantum communications --- Optical communications --- Computers --- Computation, Quantum --- Computing, Quantum --- Information processing, Quantum --- Quantum computation --- Quantum information processing --- Electronic data processing --- Applied mechanics --- Engineering, Mechanical --- Engineering mathematics