Finite size effects in correlated electron models [[electronic resource] ] : exact results / / Andrei A. Zvyagin

• Record Nr.: UNINA9910449845703321
• Autore: Zvyagin Andrei A
• Pubbl/distr/stampa: London, : Imperial College, 2005
• ISBN: 1-281-86689-X; 9786611866891; 1-86094-686-0
• Descrizione fisica: 1 online resource (380 p.)
• Disciplina: 530.411
• Soggetti: Electron configuration; Condensed matter; Electronic books.
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: Description based upon print version of record.
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: Preface; Contents; 1. Introduction; 2. Quantum Spin-1/2 Chain with the Nearest-Neighbour Couplings; 3. Co-ordinate Bethe Ansatz for a Heisenberg-Ising Ring; 4. Correlated Electron Chains: Co-ordinate Bethe Ansatz; 5. Algebraic Bethe Ansatz; 6. Correlated Quantum Chains with Open Boundary Conditions; 7. Correlated Quantum Chains with Isolated Impurities; 8. Correlated Quantum Chains with a Finite Concentration of Impurities; 9. Finite Size Corrections in Quantum Correlated Chains; 10. Beyond the Integrability: Approximate Methods; Bibliography; Index
• Sommario/riassunto: The book presents exact results for one-dimensional models (includingquantum spin models) of strongly correlated electrons in acomprehensive and concise manner. It incorporates important resultsrelated to magnetic and hybridization impurities in electron hosts andcontains exact original results for disordered ensembles of impuritiesin interacting systems.

Distributed Computer and Communication Networks: Control, Computation, Communications : 26th International Conference, DCCN 2023, Moscow, Russia, September 25–29, 2023, Revised Selected Papers / / edited by Vladimir M. Vishnevskiy, Konstantin E. Samouylov, Dmitry V. Kozyrev

• Record Nr.: UNINA9910845491103321
• Autore: Vishnevskiy Vladimir M.
• Pubbl/distr/stampa: Cham : , : Springer Nature Switzerland : , : Imprint : Springer, , 2024
• ISBN: 3-031-50482-8
• Edizione: [1st ed. 2024.]
• Descrizione fisica: 1 online resource (XV, 538 p. 245 illus., 162 illus. in color.)
• Collana: Lecture Notes in Computer Science, , 1611-3349 ; ; 14123
• Disciplina: 004.6
• Soggetti: Computer networks; Computer science - Mathematics; Data structures (Computer science); Information theory; Computer Communication Networks; Mathematics of Computing; Data Structures and Information Theory
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di contenuto: Distributed Systems Applications -- Influence of Access Points’ Height and High Signal Relation in WLAN Fingerprinting-Based Indoor Positioning Systems’ Accuracy -- Revolutionizing H2M Interaction: Telepresence System Enabling Sign Language Expansion for Individuals with Disabilities -- Efficient Transmission of Holographic Images: A Novel Approach Toward 6G Telepresence Services -- The simulation of finite-source retrial queues with two-way communication to the orbit, incorporating a backup server -- On Real-time Model Inversion Attacks Detection -- Distributed system for scientific and engineering computations with problem containerization and prioritization -- Overview of research works on applications of UHF RFID on vehicles for data transmission -- On the identification of a finite automaton by its input and output sequences in case of distortions -- Analysis of tethered unmanned high-altitude platform reliability -- Analytical ; Modeling of Distributed Systems -- Information Spreading in Non-homogeneous Evolving Networks with node and edge deletion -- Comparative analysis of a resource loss system with the finite buffer and different service disciplines -- Batch Service Polling System: Mathematical Analysis and Simulation Modeling -- Analysis of the queueing system describing a mobile network subscriber’s processing under varying modulation schemes and correlated batch arrivals -- Analysis of queuing systems under N policy with different server activation strategies -- On Asymptotic Insensitivity of Reliability Function of a 2-out-of-n Model Under Quick Recovery of its Components -- On the variance reduction methods for estimating the reliability of the multi-phase Gaussian degradation system -- Multiphase queuing system of blocking queues and a single common orbit retrial queue with limited buffer -- Analysis of Procedures for Joint Servicing of Multiservice Traffic in Access Nodes -- Recovery of real-time clusters with the division of computing resources into the execution of functional queries and the restoration of data generated since the last backup -- Numerical Study of Queuing-Inventory Systems with Catastrophes under Base Stock Policy -- A Machine-Learning Approach To Queue Length Estimation Using Tagged Customers Emission -- Analysis of Probabilistic Characteristics in the Integrated Access and Backhaul System -- Myopic Inventory Control with Returns in Case of Uncertainty: Adaptive Algorithms -- Estimating the Distribution Parameter of Non-Prolonging Random Dead Time Duration in Recurrent Semi-Synchronous Events Flow through Maximum Likelihood -- Stochastic Modelling for Energy Efficiency in LTE-A and LTE-5G Networks -- Analyzing reliability metrics of all-optical switches -- Investigating transient behavior of all-optical switch -- Approbation of Asymptotic Method for Queue with an Unlimited Number of Servers and State-Dependent Service Rate -- Computer and Communication Networks -- Risk management in the design of computer network topology -- Age of Information Performance of Ultra Reliable Low Latency Service in 5G New Radio Networks -- On the classification of cytological images of leukocytes using depthwise separable convolutional neural networks -- Utilization of Machine Learning Algorithms to Identify User Applications -- Blockage Attenuation and Duration over Reflected Propagation Paths in Indoor Terahertz Deployments -- On the Automated Text Report Generation in Open Transport Data Analysis Platform -- Developing a traffic analysis suite for modified packet capture file -- On heuristic algorithm with greedy strategy for the Correlation Clustering problem solution -- Decoding of product codes in discrete and semi-continuous channels with memory -- Minimizing the peak age of information in LoRaWAN system based on the importance of information -- Precoder for Proportional Fair Resource Allocation in Downlink NOMA-MIMO Systems -- Surrogate Models for the Compressibility Factor of Natural Gas -- Numerical Evaluation of the Optimal Precoder Design with Delayed CSI.
• Sommario/riassunto: This book constitutes the refereed proceedings of the 26th International Conference on Distributed Computer and Communication Networks: Control, Computation, Communications, DCCN 2023, held in Moscow, Russia, during September 25–29, 2023. The 37 full papers and 4 short papers included in this book were carefully reviewed and selected from 122 submissions. They were organized in topical sections as follows: Distributed Systems Applications; Analytical Modeling of Distributed Systems; Computer and Communication Networks.