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Vaas R: Jenseits von Einsteins Universum

Jenseits von Einsteins Universum

Von der Relativitätstheorie zur Quantengravitation: Aktualisierte und erweiterte Neuausgabe

This textbook offers you a profound understanding of the core concepts in electrodynamics and the special theory of relativity. Emphasis is placed on establishing strong mathematical fundamentals while also equipping you with problem-solving skills crucial for mastering these disciplines. It covers electromagnetic theory, encompassing Maxwell's equations and electromagnetic wave theory as well as special theory of relativity, including space-time principles and the Lorentz transformation. Reiner M. Dreizler, Professor emeritus of Theoretical Physics at Goethe University, Frankfurt/Main, works on many-body systems in quantum mechanics.Cora S. Lüdde, Diplom-physicist, research associate at Goethe University, Frankfurt/Main, Germany, working on application-oriented programming, researches computer arithmetic.

Electrodynamics and Special Theory of Relativity

De Gruyter Textbook

Quantum Optics in All Degrees of Freedom

Functional Phase Space Methods

Quantum Computing for Engineers

This book discusses helical Ince-Gaussian beams, which are presented as expansions in Hermite-Gaussian modes, and analytical expressions for the orbital angular momentum are obtained for them. In scalar optics, light is described by a complex amplitude, a complex function of three Cartesian coordinates. This function must be a solution to the scalar paraxial Helmholtz equation, which is equivalent to the Schrödinger equation in quantum mechanics. There are not many known exact analytical solutions of this equation in the form of special functions, only a few dozen. Each such solution can be associated with a certain laser beam, for example, a Bessel, Laguerre-Gaussian or Hermite-Gaussian beam. Each such analytical solution of the Helmholtz equation allows one to fully describe all the features of the light beam before modeling. Find the intensity distribution at any distance from the waist, phase distribution, total beam power and its other characteristics. Therefore, the search for new analytical solutions describing new laser beams, including helical (vortex) beams, which have orbital angular momentum and topological charge, is relevant. This book describes new helical beams that the authors obtained in 2023-2024. These are generalized asymmetric Laguerre-Gaussian and Hermite-Gaussian beams, double and square Bessel-Gaussian and Laguerre-Gaussian beams, and several types of Bessel-Bessel-Gaussian beams. Each such new analytical solution of the Helmholtz paraxial equation is a significant contribution to optics. The book is of interest to a wide range of scientists and engineers working in the field of optics, photonics, laser physics, opto-information technologies and optical instrumentation. It can also be useful for bachelors and masters in the specialties applied mathematics and physics, applied mathematics and informatics, optics and graduate students specializing in these areas.

Helical Laser Beams

Die besten Sprüche

Alles ist relativ

Springer Series in Solid-State Sciences

This book explores fundamental and experimental aspects of excitons in semiconductors. It begins with an introduction to crystal lattice, band structure of solids, effective mass theory, and holes. It then explores the binding energy of various excitons and their complexes (such as trions and biexcitons) in different dimensions within the framework of effective mass approximation, discusses the absorption and emission of photons during their creation and recombination processes providing experimental examples in photo-absorption and photoluminescence (PL) spectroscopy. Theoretical foundations for calculating the dielectric function associated with excitons along with the concept of 'exciton-polaritons' are introduced. The book also examines the interaction between excitons and phonons, which is illustrated with experimental findings. Further, it discusses the effects of magnetic field on the energy eigenstates of excitons, and talks about polarization-resolved spectroscopy under magnetic field for identifying excitons and obtaining deeper insight of the excitonic structure as well as the semiconductor band structure. Lastly, it delves into the manybody effects i.e. Bose-Einstein condensation of excitons and excitonic Mott transition, presenting recent experimental findings and potential applications.Throughout, emphasis is placed on elucidating fundamental concepts while keeping readers abreast of the latest developments in the field. With a focus on experimental methods and data interpretation, the book serves as an invaluable resource for both graduate students and research scholars.

Excitons in Semiconductors

Advanced Sciences and Technologies for Security Applications

This book offers a comprehensive analysis of intersection of significant domains, including information security, 6G technology, and cybersecurity. This&nbsp; reference work addresses gaps in existing literature by providing insights, research findings, and personal evaluations from esteemed scholars in the field. Holographic-type communications (HTC), tactile Internet, connected autonomous vehicles (CAVs), unmanned aerial vehicles (UAVs), autonomous healthcare solutions, manufacturing systems, and virtual/augmented/extended reality (VR/AR/XR), along with other cutting-edge applications, will continue to advance with the advent of 6G. The advent of the 6G era has been ushered in by the rapid advancement of communication technologies, promising unprecedented applications and connectivity. As we venture into this unexplored domain, the criticality of cybersecurity resilience cannot be overstated. This book examines and assesses the emerging trends in 6G technology, with a particular focus on the intricate challenges encountered in the realm of cybersecurity. By analyzing the intricate interplay between IoT integration, AI/ML security, quantum communication, and the intricacies of the physical layer, this book endeavors to provide a comprehensive understanding of the perpetually evolving threat landscape. It is reasonable to expect that 6G, similar to its predecessors, will promote advancements in the domain of connectivity and telecommunications through the provision of increased data throughput, decreased latency, and expanded capacity. These developments will promote the development of innovative applications and services, thus increasing the importance of robust cybersecurity protocols. As 6G technology continues to proliferate, it becomes increasingly vital to ensure the security and preservation of data.The primary audience of this book is industrialists, academicians, researchers, and UG/PG students. The secondary audience consists of practitioners, cyberpolice, lawmakers, legal firms, etc. as we are also covering regulatory and ethical considerations in 6G cybersecurity.

6G Cyber Security Resilience: Trends and Challenges

Über die Spezielle und die Allgemeine Relativitätstheorie

E = mc2

Lustig, informativ und voller faszinierender Fakten! Unser Gehirn ist ein echtes Wunderwerk: Es ist weich wie Wackelpudding, sieht aus wie ein Blobfisch - und kann mehr speichern als das gesamte Internet! Aber was genau passiert in unserem Kopf, wenn wir lernen, fühlen oder schlafen? Mit viel Humor und anschaulichen Illustrationen nimmt Philip Bunting kleine und große Entdecker:innen mit auf eine spannende Reise durch das erstaunlichstes Organ des Menschen.<ul><li>Faszinierende Fakten über das Gehirn - witzig und leicht verständlich erklärt Humorvolle Illustrationen, die das komplexe Themen spielerisch begreifbar machen</li><li>Eine Entdeckungsreise zu den eigenen Fähigkeiten - zum Staunen und Lernen</li></ul>Perfekt für alle wissbegierigen Kinder ab 6 Jahren, die neugierig darauf sind, wie ihr Gehirn funktioniert

Witziges Sachbilderbuch über Denken, Lernen und Erinnern für Kinder ab 6

Dein geniales Gehirn

Einstein, Bohr, Heisenberg und das Innerste der Welt | Das goldene Jahrzehnt der Physik: die bahnbrechenden Quantensprünge von Einstein, Heisenberg, Bohr und Co

Die Stunde der Physiker

Die Suche nach der Urkraft des Universums

Eine kurze Geschichte der Zeit

Das Buch bietet eine breit angelegte Einführung in die Grundlagen der molekularen Statistik der Materie. Der Schwerpunkt liegt auf der Vielfalt der Anwendungen in allen Bereichen der Naturwissenschaften wie der Chemie, der Physik des fluiden Zustandes, der Festkörperphysik, der magnetischen Eigenschaften der Materie und der Quantenstatistik von Bosonen und Fermionen. Besondere Aufmerksamkeit ist der Astrophysik gewidmet. Es werden die physikalisch-statistischen Grundlagen der Sternentwicklung, der thermonuklearen Entstehung der chemischen Elemente bis zum Endstadium der Sterne als weiße Zwerge, Neutronensterne oder schwarze Löcher inklusive der Hawking-Strahlung behandelt, ebenso wie das Standardmodell der Kosmologie.Besonderer Wert wird auf die zahlreichen Anwendungsbeispiele und Übungsaufgaben mit Lösungen gelegt. Das Buch wendet sich an alle naturwissenschaftlich Interessierten im Studium und Beruf, die eine ausführliche und anwendungsorientierte Darstellung des Themas suchen.&nbsp;Der AutorProf. Dr. Andreas Heintz war bis 2012 Leiter der Abteilung Physikalische Chemie der Universität Rostock. Arbeitsgebiete: molekulare Thermodynamik komplexer Systeme, H-Brücken-Bindung, Stofftransport in Membranen, ionische Flüssigkeiten.

Fluide Systeme, äußere Kraftfelder, chemische und nukleare Reaktionen, Astrophysik, Kosmologie

Molekulare Statistik der Materie

Jenseits von Einsteins Universum

Autres titres sur ce thème