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Black holes have turned out to be the cornerstone of both physics and popular belief. But what if we were to realize that exact black holes cannot exist, even though their existence is apparently suggested by exact general relativistic solutions, and Roger Penrose won the 2020 Nobel Prize in Physics ‘for the discovery that black hole formation is a robust prediction of the general theory of relativity’? While it might seem far-fetched to claim so, it will be worth remembering that the finest theoretical physicists like Albert Einstein and Paul Dirac did not believe in black holes, and Stephen Hawking finally thought that there are no exact black holes. While the black hole paradigm has b...
Complete and comprehensive introduction for physics graduate students just entering the field, and an authoritative reference for researchers.
Properties of systems with long range interactions are still poorly understood despite being of importance in most areas of physics. The present volume introduces and reviews the effort of constructing a coherent thermodynamic treatment of such systems by combining tools from statistical mechanics with concepts and methods from dynamical systems. Analogies and differences between various systems are examined by considering a large range of applications, with emphasis on Bose--Einstein condensates. Written as a set of tutorial reviews, the book will be useful for both the experienced researcher as well as the nonexpert scientist or postgraduate student.
A complete record of the formal organisational and administrative proceedings of the XXVII General Assembly of the International Astronomical Union.
Is everything Information? This is a tantalizing question which emerges in modern physics, life sciences, astronomy and in today’s information and technology-driven society. In Powers of Two expert authors undertake a unique expedition - in words and images - throughout the world (and scales) of information. The story resembles, in a way, the classic Powers of Ten journeys through space: from us to the macro and the micro worlds . However, by following Powers of Two through the world of information, a completely different and timely paradigm unfolds. Every power of two, 1, 2, 4, 8.... tells us a different story: starting from the creation of the very first bit at the Big Bang and the evolu...
With the help of Obituaries Current Affairs Yearly Review 2021 E-book know the famous personalities, their occupation and role in society. Persons from different fields such as art, sports, politics, entertainment & cinema are covered in this e-book on Obituaries.
Current Affairs October 2021 eBook is created by keeping the demands of recent patterns of various competitive exams in major view. It is brought to you by Jagranjosh.com. The topics for cover story and entire news section are selected on the basis of an analysis of general awareness sections in all important exams including IAS, PCS, BANK, SSC, Insurance and others. The time duration of topics covered in the magazine includes all exam oriented current affairs of October 2021. It presents the comprehensive coverage of current affairs events which are chosen on the basis of the requirements of all important exams. It covers all exam oriented current affairs of October 2021 with all required facts and analysis. The analysis of all the events related to National, International, Economy, Science & Technology, Environment & Ecology is done in a way that fulfils the demand of all the important exams including IAS. The language used in the magazine is lucid and easy-to-understand language. The eBook is expected to be handy for most of forthcoming exams like, Civil Services Examination, Various Insurance AO Exams, PCS exams, MAT and others.
This book describes, in clear terms, the Why, What and the How of Quantum Field Theory. The raison d'etre of QFT is explained by starting from the dynamics of a relativistic particle and demonstrating how it leads to the notion of quantum fields. Non-perturbative aspects and the Wilsonian interpretation of field theory are emphasized right from the start. Several interesting topics such as the Schwinger effect, Davies-Unruh effect, Casimir effect and spontaneous symmetry breaking introduce the reader to the elegance and breadth of applicability of field theoretical concepts. Complementing the conceptual aspects, the book also develops all the relevant mathematical techniques in detail, leading e.g., to the computation of anomalous magnetic moment of the electron and the two-loop renormalisation of the self-interacting scalar field. It contains nearly a hundred problems, of varying degrees of difficulty, making it suitable for both self-study and classroom use.