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This book provides an update on our understanding of strong interaction, with theoretical and experimental highlights included. It is divided into five sections. The first section is devoted to the investigations into and the latest results on the mechanism of quark confinement. The second and third sections focus respectively on light and heavy quarks (effective field theories, Schwinger-Dyson approach and lattice QCD results). The fourth section deals with the deconfinement mechanism and quark-gluon plasma formation signals. The last section presents highlights of experiments, new physics beyond QCD, and nonperturbative approaches in other theories (strings and SUSY) that may be useful in QCD.
The 20-year-old problem of the confinement and the resulting spectrum of the bound states is central to quantum chromodynamics (QCD). Many approaches have been tried starting from different points of view: the potential theory, the Bethe-Salpeter equation, string and flux tube models, bag models, vacuum structure, current algebra, lattice theory, and numerical simulations. Phenomenological assumptions and first-principle theoretical results or indications have been combined. Many partial successes have been attained, but a unified and comprehensive treatment is still lacking.In recent years, new attention has been given to the problem, both in terms of theoretical developments and for the purpose of evaluating the spectrum and other properties of the particles. In particular, attention has been focussed on areas like numerical simulations, the derivation of the potential, the use of the Bethe-Salpeter equation, the connection between the potential and the chiral symmetry approach.This workshop was an opportunity for a synthesis and a comparison of the different points of view.
The confinement mechanism of the quarks in QCD is one of the most challenging and open problems in physics. Confinement is a nonperturbative phenomenon, and a definite way to handle it has not yet been found in field theory. There are lattice calculations that can produce the low-lying states of the spectrum and 'measure' many important physical quantities, but nevertheless the development of analytical techniques is of extreme importance for understanding the physics involved in confinement. In this respect it is important to test the results obtained directly from the theory (Bethe-Salpeter kernel, effective Hamiltonians, quark potential, etc.) on the spectrum, form factors and decays of bound states of quarks and gluons, and to relate them to the results of lattice theory.In this book, the question of the confinement mechanism is addressed; explanations in terms of monopoles, instantons and dyons are reviewed and the connection with duality is discussed.
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.
Human learning is studied in a variety of ways. Motor learning is often studied separately from verbal learning. Studies may delve into anatomy vs function, may view behavioral outcomes or look discretely at the molecular and cellular level of learning. All have merit but they are dispersed across a wide literature and rarely are the findings integrated and synthesized in a meaningful way. Human Learning: Biology, Brain, and Neuroscience synthesizes findings across these levels and types of learning and memory investigation.Divided into three sections, each section includes a discussion by the editors integrating themes and ideas that emerge across the chapters within each section. Section 1...
Reception studies have transformed the classics. Many more literary and cultural texts are now regarded as 'valid' for classical study. And within this process of widening, children's literature has in its turn emerged as being increasingly important. Books written for children now comprise one of the largest and most prominent bodies of texts to engage with the classical world, with an audience that constantly changes as it grows up. This innovative volume wrestles with that very characteristic of change which is so fundamental to children's literature, showing how significant the classics, as well as classically-inspired fiction and verse, have been in tackling the adolescent challenges posed by metamorphosis. Chapters address such themes as the use made by C S Lewis, in The Horse and his Boy, of Apuleius' The Golden Ass; how Ovidian myth frames the Narnia stories; classical 'nonsense' in Edward Lear; Pan as a powerful symbol of change in children's literature, for instance in The Wind in the Willows; the transformative power of the Orpheus myth; and how works for children have handled the teaching of the classics.
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These memories, handwritten by Elmo Cermaria (Nonno Peppe) for his grandson Checco (Francesco Nicolini), tell of when, as a young man of 20, he found himself hurled into the inferno of the First World War. In those days, you could cry your heart out for a bread roll denied, then miraculously regained thanks to the compassion of a German soldier, “the hated enemy”. These recollections are terse, without a trace of rhetoric and devoid of recriminations. Nonno Peppe tells the facts just as he experienced them first hand, without expressing any condemnation of those responsible for them, even though an awareness of the large-scale massacre he witnessed transpires from his account. When Nonno Peppe delivered the manuscript to his grandson on his wedding day, he asked him to make a promise: “Let the President of the Republic know what we did for Italy.” A hundred years ago, whole generations of young Italian men were stripped of human honor and dignity. Only a few of these young men would live on and become our grandfathers; and only a few of us would be fortunate enough to become “grandchildren of the Great War” and bear witness to their ordeal.
Il libro, interamente in inglese, è pensato per un corso di lingua da due moduli (sei crediti) nelle lauree triennali. Ciascuna unità didattica fornisce agli studenti gli strumenti per esercitarsi su una forma o struttura grammaticale e contiene testi in cui compaiono termini ricorrenti in una pluralità di linguaggi specialistici. Integrando il metodo comunicativo con testi costruiti intorno a temi storici o di attualità , il volume intende combinare lo studio di nozioni grammaticali di base e avanzate con la trasmissione di informazioni sulla geografia umana e storica, le istituzioni, la società , l'economia e il dibattito politico nella Gran Bretagna contemporanea. Annotation Supplied by Informazioni Editoriali