In India, indigenous tribal communities are the most backward sections of the society and they have been a matter of great concern for the Government. More than 87 per cent of the country’s tribal population is confined to 11 states, among which Odisha has the largest number of tribal communities and Mayurbhanj district has the highest concentration of tribes. Throughout the history of development, tribal communities were trapped in a vicious circle of exploitation. This led to social discontent and unrest, resulting in extremist activities, which can be prevented only by more meaningful development of the tribal areas. This book is divided into 10 chapters, each dealing with very crucial and relevant issues. It will be useful for policy makers dealing with livelihood issues, social exclusion and tribal development-related projects.
The Sociology of Greed examines crises in financial institutions such as banks from the vantage point of the greed of the people at their helm. It offers an intensive analysis of the banking crises under the conditions of colonial capitalism in early twentieth-century Bengal that led to institutional and social collapse. Breaking new ground, the book looks at the moral economy of capitalism and money culture by focusing on the victims of banking crises, hitherto unexplored in Western empirical research. Through sociological analyses of political economy, it seamlessly combines archival records, survey and statistical data with literary narratives, realist fiction and performing arts to recount how the greed of bank owners and managers ruined their institutions as well as common people. It argues that greed turns perilous when the state and the market facilitate its agency, and it examines the contexts and histories, the indifference of the fledgling colonial state, feeble political response, and the consequences for those who were impacted and the losses, especially the refugees, the lower-middle class and women. The volume also re-composes relevant elements of Western sociological scholarship from classical theories to early twenty-first-century financial sociology. An insightful account of the social history of banking in India, this book will greatly interest researchers and scholars in sociology, economics, history and cultural studies.
The book explores the encounter of the self with situations of crisis from diverse disciplinary and cultural perspectives from antiquity to contemporary times. A crisis is at once a historically situated phenomenon and a recurring idea of endangerment or a breakdown in creaturely living. By making our choices stark and difficult, crisis opens up the possibility for genuinely fresh and unexpected beginnings. At the most fundamental level, crisis is the disintegration of relationality among creatures. In fact, crisis is a battle of attrition with and within selfhood. It has the potential to turn into a norm in everyday interaction. It then stops being an exception and becomes the very condition of our living. Through the rubrics of the assured and the restive, the volume addresses how selfhood encounters and negotiates concentric circles of crisis in life and literature. Does the idea of crisis allow us to formulate the idea of self in a particular way? How do certain sources and resources within the self stoic or heroic, political and creative come into being during crisis? While some essays delve into questions of repose and sensuality by highlighting specific cases and trajectories from the subcontinent, others deal with questions of mythology, politics and art in a wider sense. One essay directly addresses the core literary question of the uncanny and its relation to selfhood. While specific concerns illuminate each essay, the volume speaks with a collective, global sense of crisis that faces humanity now and tentatively offers some prospects to deal with it.
Developed from the authors' classroom-tested material, Semiconductor Laser Theory takes a semiclassical approach to teaching the principles, structure, and applications of semiconductor lasers. Designed for graduate students in physics, electrical engineering, and materials science, the text covers many recent developments, including diode lasers u
This book examines the global circulation of Marxism seen from one of its most highly charged sites: Calcutta in India. Building on but also revising existing approaches to global intellectual history, the book presents the circulation of Marxism through Calcutta as a historically-sited problem of mass mediation. Using tools from media studies, the book explores the way that Marxism was presented to the public, the technologies used, and the meanings of Marxism in twentieth-century Calcutta. Demonstrating how the Popular Front was split between the so-called 'people's group' and those whom were called 'intellectuals', the book argues that the people's group generally identified themselves as Marxists and preferred audio-visual media such as theatre, while the so-called intellectuals privileged academic rigour and print media, usually referring to themselves as Marxians. Thus, the author reveals a polyphony of Marxisms in the Popular Front. Tracing Marxism back to the Bengal Renaissance and the Swadeshi and Naxal movements, this book shows how debate around the meaning of 'Marxism' continued throughout the 1970s in Calcutta, and eventually engendered the historiographical movement that has come to be known as Subaltern Studies.
The creation of affordable high speed optical communications using standard semiconductor manufacturing technology is a principal aim of silicon photonics research. This would involve replacing copper connections with optical fibres or waveguides, and electrons with photons. With applications such as telecommunications and information processing, light detection, spectroscopy, holography and robotics, silicon photonics has the potential to revolutionise electronic-only systems. Providing an overview of the physics, technology and device operation of photonic devices using exclusively silicon and related alloys, the book includes: Basic Properties of Silicon Quantum Wells, Wires, Dots and Superlattices Absorption Processes in Semiconductors Light Emitters in Silicon Photodetectors , Photodiodes and Phototransistors Raman Lasers including Raman Scattering Guided Lightwaves Planar Waveguide Devices Fabrication Techniques and Material Systems Silicon Photonics: Fundamentals and Devices outlines the basic principles of operation of devices, the structures of the devices, and offers an insight into state-of-the-art and future developments.
Nanometre sized structures made of semiconductors, insulators, and metals and grown by modern growth technologies or by chemical synthesis exhibit novel electronic and optical phenomena due to the confinement of electrons and photons. Strong interactions between electrons and photons in narrow regions lead to inhibited spontaneous emission, thresholdless laser operation, and Bose-Einstein condensation of exciton-polaritons in microcavities. Generation of sub-wavelength radiation by surface plasmon-polaritons at metal-semiconductor interfaces, creation of photonic band gaps in dielectrics, and realization of nanometer sized semiconductor or insulator structures with negative permittivity and permeability, known as metamaterials, are further examples in the area of Nanophotonics. The studies help develop spasers and plasmonic nanolasers of subwavelength dimensions, paving the way to use plasmonics in future data centres and high-speed computers working at THz bandwidth with less than a few fJ/bit dissipation. The present book is aimed at graduate students and researchers providing them with an introductory textbook on Semiconductor Nanophotonics. It gives an introduction to electron-photon interactions in Quantum Wells, Wires, and Dots and then discusses the processes in microcavities, photonic band gap materials, metamaterials, and related applications. The phenomena and device applications under strong light-matter interactions are discussed, mostly by using classical and semi-classical theories. Numerous examples and problems accompany each chapter.
Semiconductor optoelectronic devices are at the heart of all information generation and processing systems and are likely to be essential components of future optical computers. With more emphasis on optoelectronics and photonics in graduate programmes in physics and engineering, there is aneed for a text providing a basic understanding of the important physical phenomena involved. Such a training is necessary for the design, optimization, and search for new materials, devices, and application areas. This book provides a simple quantum mechanical theory of important optical processes,i.e. band-to-band, intersubband, and excitonic absorption and recombination in bulk, quantum wells, wires, dots, superlattices, and strained layers including electro-optic effects. The classical theory of absorption, quantization of radiation, and band picture based on k.p perturbation has beenincluded to provide the necessary background. Prerequisites for the book are a knowledge of quantum mechanics and solid state theory. Problems have been set at the end of each chapter, some of which may guide the reader to study processes not covered in the book. The application areas of thephenomena are also indicated.
This book is written in a lucid and systematic way for advanced postgraduates and researchers studying applied mathematics, plasma physics, nonlinear differential equations, nonlinear optics, and other engineering branches where nonlinear wave phenomena is essential.In sequential order of the book's development, readers will understand basic plasmas with elementary definitions of magnetized and unmagnetized plasmas, plasma modeling, dusty plasma and quantum plasma. Following which, the book describes linear and nonlinear waves, solitons, shocks and other wave phenomena, while solutions to common nonlinear wave equations are derived via standard techniques. Readers are introduced to elementary perturbation and non-perturbation methods. They will discover several evolution equations in different plasma situations as well as the properties of solitons in those environments. Pertaining to those equations, readers will learn about their higher order corrections, as well as their different forms and solutions in non-planar geometry. The book offers further studies on different types of collisions between solitons in plasma environment, phenomena of soliton turbulence as a consequence of multi-soliton interactions, properties of large amplitude solitary waves which are discovered via non-perturbative Sagdeev's Pseudopotential Approach, as well as the speed and shape of solitons. Finally, the book reveals possible future developments of research in this rich field.
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