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![Decoupling Confinement and Chiral Symmetry Breaking: an Explicit Model, [November] 1991 PDF](https://books.google.com/books/content/images/frontcover/S44NrgEACAAJ?fife=w150-h200)
Author: Franz Gross
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Languages : en
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![Decoupling Confinement and Chiral Symmetry Breaking: an Explicit Model, [November] 1991 PDF](https://books.google.com/books/content/images/frontcover/S44NrgEACAAJ?fife=w80-h100)
Author: Franz Gross
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Languages : en
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Author:
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Languages : en
Pages : 6
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Using a covariant model of mesons developed previously, we obtain new numerical solutions for the light-quark sector, and show explicitly how the small mass of the pion emerges as a natural consequence of chiral-symmetry breaking. Then we generalize the model, and show how chiral-symmetry breaking and confinement could be realized through completely independent mechanisms with different mass scales. In particular, the confining potential can be chosen to be purely scalar, as suggested by lattice studies and phenomenology, and the remaining part of the interaction can be chosen to be chirally invariant. In a symmetry-breaking mode, this new model can still generate quark mass and a massless-pion bound state.
Author: A. D'Adda
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Languages : en
Pages : 36
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Author:
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Languages : en
Pages : 135
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Author: Takahiro Doi
Publisher: Springer
ISBN: 9811065969
Category : Science
Languages : en
Pages : 69
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This thesis focuses on an unresolved problem in particle and nuclear physics: the relation between two important non-perturbative phenomena in quantum chromodynamics (QCD) – quark confinement and chiral symmetry breaking. The author develops a new analysis method in the lattice QCD, and derives a number of analytical formulae to express the order parameters for quark confinement, such as the Polyakov loop, its fluctuations, and the Wilson loop in terms of the Dirac eigenmodes closely related to chiral symmetry breaking. Based on the analytical formulae, the author analytically as well as numerically shows that at finite temperatures there is no direct one-to-one correspondence between them. The thesis describes this extraordinary achievement using the first-principle analysis, and proposes a possible new phase in which quarks are confined and chiral symmetry is restored.
Author:
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Category :
Languages : en
Pages : 238
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Author:
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Category :
Languages : en
Pages : 5
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The validity of the decoupling theorem is discussed in the context of gauge theories with spontaneous symmetry breaking. The presence of large Yukawa couplings which grow with heavy masses is responsible for the violation of decoupling theorem. 7 refs.
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Category :
Languages : en
Pages : 4
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Author: Pierre van Baal
Publisher: Springer Science & Business Media
ISBN: 030647056X
Category : Science
Languages : en
Pages : 556
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Proceedings of a NATO ASI and Isaac Newton Institute Workshop held in Cambridge, UK, June 23-July 4, 1997
Author: Herbert Martin Fried
Publisher: World Scientific
ISBN: 9814546534
Category :
Languages : en
Pages : 428
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During the week of 3-8 June 1996, approximately 83 theoretical (and 2 experimental) physicists interested in the current problems of Quantum Chromodynamics (QCD) gathered at the American University of Paris, France, to present and discuss a total of 59 papers on Collisions, Confinement, and Chaos in QCD. Each of these three subfields filled at least two half-day sessions; and another four half-day sessions were devoted to miscellaneous and interesting papers on Quantum Field Theory (QFT), and especially on the proper construction of high-energy scattering amplitudes.
