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Asymptotically Safe Gravity
This book seeks to construct a consistent fundamental quantum theory of gravity, which is often considered one of the most challenging open problems in present-day physics. It approaches this challenge using modern functional renormalization group techniques, and attempts to realize the idea of “Asymptotic Safety” originally proposed by S. Weinberg. Quite remarkably, the book makes significant progress regarding both the fundamental aspects of the program and its phenomenological consequences. The conceptual developments pioneer the construction of a well-behaved functional renormalization group equation adapted to spacetimes with a preferred time-direction. It is demonstrated that the A...
Exact Renormalization Group, The - Proceedings Of The Workshop
The subject of the exact renormalization group started from pioneering work by Wegner and Houghton in the early seventies and, a decade later, by Polchinski, who formulated the Wilson renormalization group for field theory. In the past decade considerable progress has been made in this field, which includes the development of alternative formulations of the approach and of powerful techniques for solving the exact renormalization group equations, as well as widening of the scope of the exact renormalization group method to include fermions and gauge fields. In particular, two very recent results, namely the manifestly gauge-invariant formulation of the exact renormalization group equation and the proof of the c-theorem in four dimensions, are presented in this volume.
Classical and Quantum Cosmology
This comprehensive textbook is devoted to classical and quantum cosmology, with particular emphasis on modern approaches to quantum gravity and string theory and on their observational imprint. It covers major challenges in theoretical physics such as the big bang and the cosmological constant problem. An extensive review of standard cosmology, the cosmic microwave background, inflation and dark energy sets the scene for the phenomenological application of all the main quantum-gravity and string-theory models of cosmology. Born of the author's teaching experience and commitment to bridging the gap between cosmologists and theoreticians working beyond the established laws of particle physics and general relativity, this is a unique text where quantum-gravity approaches and string theory are treated on an equal footing. As well as introducing cosmology to undergraduate and graduate students with its pedagogical presentation and the help of 45 solved exercises, this book, which includes an ambitious bibliography of about 3500 items, will serve as a valuable reference for lecturers and researchers.
Roman de Silence
This bilingual edition, based on a reexamination of the Old French manuscript, makes Silence available to specialists and students in various fields of literature, to those in women's studies and, most important, to everyone who loves a first-rate story.
Fusion Neutronics
This book provides a systematic and comprehensive introduction to fusion neutronics, covering all key topics from the fundamental theories and methodologies, as well as a wide range of fusion system designs and experiments. It is the first-ever book focusing on the subject of fusion neutronics research. Compared with other nuclear devices such as fission reactors and accelerators, fusion systems are normally characterized by their complex geometry and nuclear physics, which entail new challenges for neutronics such as complicated modeling, deep penetration, low simulation efficiency, multi-physics coupling, etc. The book focuses on the neutronic characteristics of fusion systems and introduc...
The Foundations of Economic Policy
Recent developments in public economics have largely been in the direction of reaffirming the limits of the market and of establishing new ones. The possible existence of fundamental non-convexities, imperfect and asymmetric information, incentive compatibility, imperfect competition, strategic complementarity, and scale economies led to the conclusion that a large set of market failures exist; such situations also imply government failure. Acocella, considers this complicated picture and provides a discussion of the different approaches to establishing social 'rankings' of the possible situations and the underlying principles. The arguments for and against different institutions are then analysed at a micro and macroeconomic level. The market and the government are recognised as imperfect, and thus complementary, institutions. Specific policy targets and instruments are considered in the areas of micro and macro-economic policy. Special attention is devoted to questions of policy management in an open economy. Finally, problems of domestic and international policy co-ordination are considered.
Cognitive Linguistics
Cognitive Linguistics argues that language is governed by general cognitive principles, rather than by a special-purpose language module. This introductory textbook surveys the field of cognitive linguistics as a distinct area of study, presenting its theoretical foundations and the arguments supporting it. Clearly organised and accessibly written, it provides a useful introduction to the relationship between language and cognitive processing in the human brain. It covers the main topics likely to be encountered in a course or seminar, and provides a synthesis of study and research in this fast-growing field of linguistics. The authors begin by explaining the conceptual structures and cognitive processes governing linguistic representation and behaviour, and go on to explore cognitive approaches to lexical semantics, as well as syntactic representation and analysis, focusing on the closely related frameworks of cognitive grammar and construction grammar. This much-needed introduction will be welcomed by students in linguistics and cognitive science.
Maxims and Reflections (Ricordi)
Review: "Unlike Machiavelli-inveterate dreamer and cynic-Guicciardini's mind is remarkable for the balance and masterly coolness of its judgment."-Federico Chabod "In the history of Renaissance thought, Guicciardini's Ricordi occupy a place of singular importance. Few works of the sixteenth century allow us so penetrating an insight into the views and sentiments of its author as these reflections of the great Italian historian. . . . Like Machiavelli's Prince, the Ricordi form one of the outstanding documents of a time of crisis and transition; but unlike the Prince, they range over a wide field of private as well as public life. In doing so, they revel the man as well as the political theorist."-Nicolai Rubenstein, from the Introduction.
The BCS-BEC Crossover and the Unitary Fermi Gas
Recent experimental and theoretical progress has elucidated the tunable crossover, in ultracold Fermi gases, from BCS-type superconductors to BEC-type superfluids. The BCS-BEC Crossover and the Unitary Fermi Gas is a collaborative effort by leading international experts to provide an up-to-date introduction and a comprehensive overview of current research in this fast-moving field. It is now understood that the unitary regime that lies right in the middle of the crossover has remarkable universal properties, arising from scale invariance, and has connections with fields as diverse as nuclear physics and string theory. This volume will serve as a first point of reference for active researchers in the field, and will benefit the many non-specialists and graduate students who require a self-contained, approachable exposition of the subject matter.
