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1. |
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UNINA9910256257303321 |
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Autore |
Mazzei, Federico <1983-> |
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Titolo |
Cattolicesimo liberale e religione della libertà : Stefano Jacini di fronte a Benedetto Croce / Federico Mazzei ; prefazione di Roberto Pertici |
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ISBN |
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Descrizione fisica |
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Collana |
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Cultura Studium. Storia ; 9 |
Cultura Studium ; 63 |
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Locazione |
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Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910155108703321 |
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Autore |
Kota V. K. B. |
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Titolo |
Structure of medium mass nuclei : deformed shell model and spin-isospin interacting boson model / / by V K B Kota and R Sahu |
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Boca Raton, FL : , : CRC Press, an imprint of Taylor and Francis, , [2016] |
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©2017 |
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ISBN |
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1-351-73693-0 |
1-315-18638-1 |
1-351-73694-9 |
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Descrizione fisica |
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1 online resource (321 pages) : illustrations |
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Disciplina |
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Soggetti |
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Nuclear structure |
Nuclear excitation |
Nuclear models |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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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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Cover -- Half Title -- Title Page -- Copyright Page -- Dedication -- Table of Contents -- Preface -- 1: Introduction -- 2: Deformed shell model -- 2.1 Introduction -- 2.2 Hartree�Fock method -- 2.3 Angular momentum projection -- 2.4 Matrix elements of a tensor operator -- 2.5 Matrix elements of the Hamiltonian matrix -- 2.6 Orthonormalization and band mixing -- 2.7 Matrix elements of E2 and M1 transition operators -- 2.8 Summary -- 3: DSM results for spectroscopy of Ge, Se, Br, Kr, and Sr isotopes -- 3.1 Structure of collective bands and triple forking in 68Ge -- 3.2 Shape coexistence and role of 1g9/2 orbit in Se isotopes -- 3.3 Band structures and 3qp bands in 77,79,81Br isotopes -- 3.4 Collective bands and yrast band alignments in 78Kr -- 3.5 Identical bands and collectivity in 77,79Sr -- 3.6 Summary -- 4: Applications of DSM to GT distributions, muon-electron conversion, and dark matter -- 4.1 GT distributions in Ge, Se, Kr, and Sr isotopes -- 4.2 Transition matrix elements for - e conversion in 72Ge -- 4.3 DSM application to dark matter: Elastic scattering of LSP from 73Ge -- 4.4 Summary -- 5: DSM results for double beta decay in A60-90 nuclei -- 5.1 Introduction -- 5.2 Half- |
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lives and nuclear structure matrix elements for double beta decay -- 5.3 DSM results for two neutrino positron double beta decay -- 5.4 DSM results for two neutrino double beta decay -- 5.5 DSM results for 0?DBD and 0? e+DBD -- 5.6 Shape effects on double beta decay matrix elements -- 5.7 Summary -- 6: Heavy NZ nuclei: SU(4) structure, Wigner energy, and pn pairing -- 6.1 Introduction -- 6.2 Spin�isospin SU(4) algebra in shell model -- 6.3 Double binding energy differences and SU(4) symmetry -- 6.4 Wigner energy, SU(4) symmetry and T 0 and T 1 states in NZ odd-odd nuclei -- 6.5 Isoscalar and isovector pairing in NZ nuclei and new structures due to pn pairing -- 6.6 SO(5) isovector pairing model in j - j coupling -- 6.7 Summary -- 7: Shell model SO(8) pairing algebra and Dyson mapping to IBM-ST -- 7.1 SO(8) pairing model and its three symmetry limits -- 7.2 Shell model complimentary subalgebra I -- 7.3 Shell model complimentary subalgebra II -- 7.4 Shell model complimentary subalgebra III -- 7.5 Applications of SO(8) model -- 7.6 Dyson boson mapping of SO(8) model to spin�isospin interacting boson model -- 7.7 Summary -- 8: Spin�isospin interacting boson model (sdIBM-ST) -- 8.1 Introduction to interacting boson model (IBM). |
8.2 sdIBM-ST model and its symmetry limits -- 8.3 Transformation brackets between U(n) U(na) U(nb) SO(na) SO(nb) and U(n) SO(n) SO(na) SO(nb) chains -- 8.4 Usd(6) UST (6) limit chains -- 8.5 SOsdST (36) SOsST (6) SOdST (30) limit -- 8.6 Simple applications of SOsdST (36) SOsST (6) SOdST (30) limit -- 8.7 Summary -- 9: sdIBM-ST applications with competition between T 0 and T 1 pairing -- 9.1 Number of T 0 pairs in heavy NZ nuclei -- 9.2 Deuteron transfer in heavy NZ nuclei -- 9.3 GT strengths in heavy NZ nuclei -- 9.4 a-transfer strengths -- 9.5 Summary -- 10: Interacting boson model with isospin (sdIBM-T) -- 10.1 Dynamical symmetries of sdIBM-T: General classification -- 10.2 Symmetry limits with good s and d boson isospins -- 10.3 Symmetry limits with U(18). U(6) SUT (3) algebra -- 10.4 IBM-T investigations by Elliott and others : A summary -- 10.5 Summary -- 11: Spectroscopy of heavy N ~ Z nuclei: Results from DSM, IBM, and other models -- 11.1 Introduction -- 11.2 Heavy NZ odd-odd nuclei in DSM and other models -- 11.3 Structure of heavy even-even NZ nuclei: 64Ge to 92Pd and results from various models -- 11.4 Summary -- 12: Future outlook -- Appendix A: DSM with three-body interactions -- A.1 HF approximation with a three-body interaction -- Appendix B: U(n) and SO(n) algebras and other group theoretical aspects -- B.1 U(n) algebra -- B.2 SO(n) algebra -- B.3 Other Lie algebras -- B.4 Kronecker products -- Appendix C: Subalgebras, irrep reductions, and SO(n) and SU(3) examples in nuclei -- C.1 General principles for generating group-subgroup chains -- C.2 Irrep reductions: Some general rules -- C.3 Further examples for irrep reductions -- C.4 U(n) SO(n) example for boson systems -- C.5 U((? + 1)(? + 2)/2) SU(3) SO(3) example -- Appendix D :Isospin projection for 3, 4, 5, and 6 particles -- D.1 Isospin projection for 3 particles -- D.2 Isospin projection for 4 particles -- D.3 Isospin projection for 5 particles -- D.4 Isospin projection for 6 particles -- References -- Index. |
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Sommario/riassunto |
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Medium heavy nuclei with mass number A=60-90 exhibit a variety of complex collective properties, provide a laboratory for double beta decay studies, andare a region of all heavy N=Z nuclei. This book discusses these three aspects of nuclear structure using Deformed Shell Model and the Spin-Isospin Invariant Interacting Boson Model naturally generated by fermionic SO(8) symmetry. Using these two models, the book describes properties of medium heavy nuclei with mass number A=60-90. It provides a good reference for future nuclear structure |
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experiments using radioactive ion beam (RIB) facilities. Various results obtained by the authors and other research groups are also explained in this book. |
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3. |
Record Nr. |
UNINA9910148952203321 |
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Autore |
Kane Yukari Iwatani |
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Titolo |
Haunted Empire: Apple After Steve Jobs |
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ISBN |
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Formato |
Musica |
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Livello bibliografico |
Monografia |
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Sommario/riassunto |
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An insightful, behind-the-scences portrait of the technology giant AppleFormer Wall Street Journal technology reporter Yukari Iwatani Kane delves deep inside Apple in the two years since Steve Jobs's death, revealing the tensions and challenges CEO Tim Cook and his team face as they try to sustain Jobs's vision and keep the company moving forward.Steve Jobs's death raised one of the most pressing questions in the tech and business worlds: Could Apple stay great without its iconic leader? Many inside the company were eager to prove that Apple could be just as innovative as it had been under Jobs. Others were painfully aware of the immense challenge ahead. As its business has become more complex and global, Apple has come under intense scrutiny, much of it critical. Maintaining market leadership has become crucial as it tries to conquer new frontiers and satisfy the public's insatiable appetite for 'insanely great' products.Based on over two hundred interviews with current and former executives, business partners, Apple watchers and others, Haunted Empire is an illuminating portrait of Apple today that offers clues to its future. With nuanced insights and colourful details that only a seasoned journalist could glean, Kane goes |
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beyond the myths and headlines. She explores Tim Cook's leadership and its impact on Jobs's loyal lieutenants, new product development, and Apple's relationships with Wall Street, the government, tech rivals, suppliers, the media, and consumers.Hard-hitting yet fair, Haunted Empire reveals the perils and opportunities an iconic company faces when it loses its visionary leader. |
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