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1. |
Record Nr. |
UNINA9910746286503321 |
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Autore |
Benhar Omar |
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Titolo |
Structure and dynamics of compact stars / / Omar Benhar |
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Pubbl/distr/stampa |
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Cham, Switzerland : , : Springer International Publishing AG, , [2023] |
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©2023 |
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ISBN |
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Edizione |
[First edition.] |
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Descrizione fisica |
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1 online resource (xi, 169 pages) : illustrations (some color) |
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Collana |
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Lecture Notes in Physics Series |
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Disciplina |
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Soggetti |
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Compact objects (Astronomy) |
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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 bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Intro -- Preface -- Contents -- Acronyms -- Physical and Astronomical Constants -- Part I White Dwarfs -- 1 The Prototype Compact Star -- 1.1 Discovery of White Dwarfs -- 1.2 Formation of White Dwarfs -- 1.3 Properties of the Degenerate Fermi Gas -- 1.3.1 Energy Density -- 1.3.2 Pressure -- 1.3.3 Relativistic Regime -- 1.4 Significance of the Equation of State -- 1.5 Equation of State of White Dwarf Matter -- 1.6 Equilibrium of White Dwarfs and Chandrasekhar Limit -- Part II Neutron Stars -- 2 Neutron Star Structure -- 2.1 Discovery of Neutron Stars -- 2.2 Overview of Neutron Star Composition -- 2.2.1 Outer Crust -- Inverse β-decay -- Neutronisation -- 2.2.2 Inner Crust -- Superfluidity and Superconductivity -- 3 The Neutron Star Core -- 3.1 Preamble -- 3.2 Constraints on the Nuclear Matter EOS -- 3.3 Microscopic Models of the Nuclear Matter EOS -- 3.3.1 Empirical Information on Nuclear Forces -- 3.3.2 The Nucleon-Nucleon Interaction -- 3.3.3 Irreducible Three-Nucleon Interactions -- 3.3.4 Non Relativistic Nuclear Many-Body Theory -- The Nuclear Many-Body Problem -- 3.3.5 Nuclear Matter Theory -- G-Matrix Perturbation Theory -- CBF Perturbation Theory -- The Equation of State of Akmal Pandharipande and Ravenhall -- 3.3.6 Relativistic Approaches -- The Relativistic Nuclear Hamiltonian -- 3.3.7 The σ-ω Model -- 3.4 The Equation of State of Charge-Neutral β-Stable Matter -- Appendix 1: Speed of Sound in Matter and Causality -- Appendix 2: Derivation of Yukawa's OPE Potential -- The Two-Nucleon System -- The Two-Nucleon Interaction -- 4 Exotic Forms of Matter -- 4.1 Stability of Strange Baryonic Matter -- 4.1.1 |
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Hyperon Interactions -- 4.2 Deconfinement and Quark Matter -- 4.2.1 The MIT Bag Model -- 4.2.2 The Equation of State of Quark Matter -- 4.3 The Nuclear Matter-Quark Matter Phase Transition -- 4.3.1 Coexisting Phases vs Mixed Phase. |
4.3.2 Stability of the Mixed Phase -- 4.3.3 Strange Stars -- Appendix: Partition Function of Fermion Systems -- 5 Neutrino Emission from Neutron Stars -- 5.1 Direct Urca Process -- 5.1.1 Threshold of the Direct Urca Process -- 5.2 Modified Urca Processes -- 5.2.1 Neutron Branch -- 5.2.2 Proton Branch -- 5.3 Neutrino Bremsstrahlung in Nucleon-Nucleon Collisions -- Appendix 1: Neutron β-Decay Rate -- Appendix 2: Rate of the Direct Urca Process -- Calculation of A -- Calculation of I -- 6 Neutron Star Structure and Dynamics -- 6.1 Hydrostatic Equilibrium -- 6.2 Cooling -- 6.3 Tidal Deformation in Coalescing Binary Systems -- 6.4 Neutron Star Oscillations -- Part III Multimessenger Neutron Star Astronomy -- 7 Observational Constraints on Theoretical Models -- 7.1 The Golden Age of Neutron Stars -- 7.2 Measurements of Mass and Radius -- 7.3 Measurements of the Tidal Deformability -- 7.4 Measurements of Neutron Star Cooling -- 7.5 Towards Multimessenger Astronomy -- References -- Index. |
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Sommario/riassunto |
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This book aims at providing an accessible, and yet comprehensive and self-contained discussion of compact stars. After a pedagogical introduction to the physics of white dwarfs, the bulk of the book is devoted to the analysis of the structure and dynamics of neutron stars. A great deal of emphasis is placed on the dynamical models underlying the description of neutron star matter at microscopic level. The analysis of these models is inherently cross-disciplinary - from nuclear and particle physics to astrophysics and condensed matter physics and the relevant concepts are introduced following a didactic approach, drawing largely on the historical development of the field. The impact of the latest experimental data, such as gravitational waves emissions, and the potential of future observational developments in the new era of multimessenger astronomy are extensively discussed. This volume is intended to provide PhD students in physics and astrophysics with solid foundations for their future research career. It is also a useful tool for the broader audience of more advanced readers, working in the fields of nuclear and particle physics as well as gravitational physics. |
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2. |
Record Nr. |
UNINA9910972025903321 |
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Autore |
Nunley Vorris |
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Titolo |
Keepin' it hushed : the barbershop and African American hush harbor rhetoric / / Vorris L. Nunley |
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Pubbl/distr/stampa |
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Detroit, : Wayne State University Press, c2011 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (226 p.) |
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Collana |
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African American life series |
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Disciplina |
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Soggetti |
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African Americans - Languages |
American literature - African American authors - History and criticism |
English language - United States - Rhetoric |
Popular culture - United States |
Barbershops - United States |
African Americans in literature |
African Americans - Communication |
Black English - United States |
Literacy - United States |
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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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Bibliographic Level Mode of Issuance: Monograph |
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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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Beyond difference: mapping and theorizing hush harbor spatiality rhetoric and knowledge -- Hush harbors: spatiality, race, and not-so-public spheres -- Wingin' it: barbershops and the work of nommo in the novel -- Poetic hush harbors: barbershops as black paideias -- Barbers and customers as philosophers in memoir and drama -- Commodifying neoliberal blackness: faux hush harbor rhetoric in barbershop -- Hush harbor pedagogy: pathos-driven hearing and pedagogy -- A question of ethics? Hush harbor rhetoric and rationalities in a neoliberal age. |
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Sommario/riassunto |
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Examines the barbershop as a rhetorical site in African American culture across genres, including fiction, film, poetry, and theater. |
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3. |
Record Nr. |
UNINA9910261104803321 |
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Autore |
Engelmann Roger |
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Titolo |
Annäherung und Abgrenzung : Aspekte deutsch-deutscher Beziehungen 1956-1969 / / Roger Engelmann, Paul Erker |
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Pubbl/distr/stampa |
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De Gruyter, 1993 |
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Berlin ; ; Boston : , : Oldenbourg Wissenschaftsverlag, , [2010] |
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©1993 |
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ISBN |
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Edizione |
[1st ed.] |
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Descrizione fisica |
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1 online resource (202 p.) |
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Collana |
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Schriftenreihe der Vierteljahrshefte für Zeitgeschichte ; ; 66 |
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Classificazione |
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Disciplina |
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Soggetti |
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German reunification question (1949-1990) |
Germany (West) Relations Germany (East) |
Germany (East) Relations Germany (West) |
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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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Nota di contenuto |
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Front Matter -- Brüchige Verbindungen Die Beziehungen zwischen FDP und LDPD 1956-1966 / Engelmann, Roger -- Die Einheit der Nation rückt in die Ferne: Ergebnislose Bemühungen und Desillusionierungen 1957-1961 / Engelmann, Roger -- Vom Primat der deutschen Frage zur Normalisierungspolitik: Kontakte und kleine Schritte über die Mauer hinweg 1961-1966 / Engelmann, Roger -- Paul Erker "Arbeit nach Westdeutschland" Innenansichten des deutschlandpolitischen Apparates der SED 1959-1969 / Erker, Paul -- "Westarbeit" und deutschlandpolitische Wende 1965-1969 / Erker, Paul -- Back Matter |
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Sommario/riassunto |
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Annäherung und Abgrenzung prägten in den Jahren zwischen 1956 und 1969 das innerdeutsche Verhältnis. Schritt für Schritt entfernte sich die DDR von ihrer ursprünglichen gesamtdeutschen Strategie zugunsten einer klaren Abgrenzungspolitik. Parallel dazu löste in der Bundesrepublik der Wunsch nach einem "geregelten Nebeneinander" die Hoffnungen auf eine baldige Wiedervereinigung ab. Der Band behandelt zwei wichtige Aspekte dieser Entwicklung: die jahrelangen Bemühungen um einen Dialog zwischen FDP und LDPD und die "Westarbeit" der SED. Die Darstellung beruht nicht nur auf den seit der deutschen Einigung zugänglich gewordenen Quellen, auch Akteure und |
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Zeugen der damaligen Vorgänge wurden systematisch befragt. |
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