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1. |
Record Nr. |
UNISA996508664803316 |
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Autore |
Mariz Tiago |
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Titolo |
Lorentz symmetry breaking : classical and quantum aspects / / Tiago Mariz, Jose Roberto Nascimento, Albert Petrov |
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Pubbl/distr/stampa |
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Cham, Switzerland : , : Springer, , [2023] |
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©2023 |
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ISBN |
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Edizione |
[1st ed. 2022.] |
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Descrizione fisica |
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1 online resource (114 pages) |
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Collana |
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SpringerBriefs in Physics, , 2191-5431 |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Nota di contenuto |
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1. Introduction -- 2.Classical aspects of the Lorentz symmetry breaking -- 3. Perturbative generation of Lorentz-violaing terms -- 4. Lorentz symmetry breaking and noncommutativity -- 5. Lorentz symmetry breaking and supersymmetry -- 6. Lorentz and CPT symmetry breaking in gravity -- 7. Experimental studies of the Lorentz symmetry breaking. |
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Sommario/riassunto |
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This book presents a review of various issues related to Lorentz symmetry breaking. Explicitly, we consider (i) motivations for introducing Lorentz symmetry breaking, (ii) classical aspects of Lorentz-breaking field theory models including typical forms of Lorentz-breaking additive terms, wave propagation in Lorentz-breaking theories, and mechanisms for breaking the Lorentz symmetry; (iii) quantum corrections in Lorentz-breaking theories, especially the possibilities for perturbation generating the most interesting Lorentz-breaking terms; (iv) correspondence between non-commutative field theories and Lorentz symmetry breaking; (v) supersymmetric Lorentz-breaking theories; and (vi) Lorentz symmetry breaking in a curved space-time. We close the book with the review of experimental studies of Lorentz symmetry breaking. The importance and relevance of these topics are explained, first, by studies of limits of applicability of the Lorentz symmetry, second, by searches of the possible extensions of the standard model, including the Lorentz-breaking ones, and need to study their properties, third, by the relation between Lorentz symmetry breaking with string theory, fourth, by the problem of formulating a |
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consistent quantum gravity theory, so that various modified gravity models are to be examined. |
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2. |
Record Nr. |
UNINA9910779589603321 |
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Autore |
Colgan Jeff <1975-> |
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Titolo |
Petro-aggression : when oil causes war / / Jeff D. Colgan [[electronic resource]] |
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Pubbl/distr/stampa |
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Cambridge : , : Cambridge University Press, , 2013 |
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ISBN |
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1-107-23735-1 |
1-107-30176-9 |
1-107-30905-0 |
1-107-30685-X |
1-107-25487-6 |
1-139-34247-9 |
1-107-31460-7 |
1-107-31240-X |
1-299-00633-7 |
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Descrizione fisica |
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1 online resource (xiv, 312 pages) : digital, PDF file(s) |
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Classificazione |
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Disciplina |
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Soggetti |
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Petroleum industry and trade |
War - Economic aspects |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Title from publisher's bibliographic system (viewed on 05 Oct 2015). |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Machine generated contents note: 1. Introduction; 2. A theory of oil, revolution, and conflict; 3. Evidence and research design; 4. Quantitative impact of oil and revolution on conflict; 5. Iraq; 6. Libya and the Arab Jamahiriyya; 7. Iran; 8. Venezuela and the Bolivarian revolution; 9. Saudi Arabia; 10. Does oil cause revolution?; 11. Conclusion and policy implications. |
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Sommario/riassunto |
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Oil is the world's single most important commodity and its political effects are pervasive. Jeff Colgan extends the idea of the resource curse into the realm of international relations, exploring how countries form |
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their foreign policy preferences and intentions. Why are some but not all oil-exporting 'petrostates' aggressive? To answer this question, a theory of aggressive foreign policy preferences is developed and then tested, using both quantitative and qualitative methods. Petro-Aggression shows that oil creates incentives that increase a petrostate's aggression, but also incentives for the opposite. The net effect depends critically on its domestic politics, especially the preferences of its leader. Revolutionary leaders are especially significant. Using case studies including Iraq, Iran, Libya, Saudi Arabia and Venezuela, this book offers new insight into why oil politics has a central role in global peace and conflict. |
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