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Timeless Quantum Mechanics and the Early Universe
The book is based on the author's PhD thesis, which deals with the concept of time in quantum gravity and its relevance for the physics of the early Universe. It presents a consistent and complete new relational formulation of quantum gravity (more specifically, of quantum mechanics models with diffeomorphism invariance), which is applied to potentially observable cosmological effects. The work provides answers to the following questions: How can the dynamics of quantum states of matter and geometry be defined in a diffeomorphism-invariant way? What is the relevant space of physical states and which operators act on it? How are the quantum states related to probabilities in the absence of a preferred time? The answers can provide a further part of the route to constructing a fundamental theory of quantum gravity. The book is well-suited to graduate students as well as professional researchers in the fields of general relativity and gravitation, cosmology, and quantum foundations.
Hadron Physics 98, Topics On The Structure And Interaction Of Hadronic Systems
The study of QCD in the confinement regime poses some of the most difficult problems of fundamental physics at present. The mechanism of confinement itself is not described formally, and it is hard to investigate the properties of the fundamental theory in the determination of the structures and interactions of hadronic systems. The strong coupling and the extreme non-linearity of the theory severely limit the applicability and the extension and generalization of models and methods. The area of particle/nuclear physics called Hadron Physics deals with the phenomena determined by the confinement regime of QCD.The International Workshop on Hadron Physics 98 aimed to provide a framework for the...
Hadron Physics 96: Topics On The Structure And Interaction Of Hadronic Systems - Proceedings Of The International Workshop
The study of QCD in the confinement regime poses some of the most difficult problems of fundamental physics at present. The mechanism of confinement is not yet understood, and it is hard to investigate the properties of the fundamental theory in the determination of the structures and interactions of hadronic systems. As a consequence of these difficulties, the frontier between effective and fundamental theories has been intensively investigated in the last few years, and progress has been achieved in several directions. The 'Hadron Physics' workshop gathered together experts who have been taking the lead in these developments in recent years. Four sets of lectures were presented, providing a pedagogical and updated basis that gives support to research work in frontier problems. This book puts together the main current methods in the study of the properties of hadrons. The perspective of future developments based on different approaches can then be more clearly perceived.
Hadron Physics 94: Topics On The Structure And Interaction Of Hadronic Systems
This volume, which is a compilation of lecture notes, seminar talks and contributed material presented at the above conference, discusses the modern approaches to hadronic physics: chiral perturbation theory, effective Lagrangians, models for hadronic structure and nuclear matter properties, method of light front quantization, etc. The lecture notes provide comprehensive pedagogical descriptions of methods and achievements in the corresponding topics, while the seminar talks review recent selected frontier work. The various contributions cover a wide spectrum of research problems in hadronic physics.
Brazilian Authoritarianism
"This book, written in the aftermath of the 2018 election of the right-wing populist politician Jair Bolsonaro, is a historically-grounded analysis of authoritarianism in Brazil. In the tradition of Zola's J'accuse, Lilia Schwarcz takes up and debunks the popular and cherished national myth of Brazil as a tolerant, open, peaceful, and racially-harmonious society. In that country's history textbooks even Brazil's centuries of slavery have been described as an ultimately benign, paternalistic order in which the races freely mixed and the cruelty of the U.S. slave experience was absent. This, Schwarcz argues, papers over centuries of racially-motivated violence, cruelty, and exploitation. These...
