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book (18)

dissertation (1)


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English (15)

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2022 (19)

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Book
A brief history of black holes : and why nearly everything you know about them is wrong
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ISBN: 9781529086706 Year: 2022 Publisher: London : Macmillan,

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The Earth goes around the Sun, and the Sun goes around the centre of the Milky Way: a supermassive black hole - the strangest and most misunderstood phenomenon in the galaxy. In « A Brief History of Black Holes University » of Oxford astrophysicist, Dr Becky Smethurst charts the scientific breakthroughs that have uncovered the weird and wonderful world of black holes, from the collapse of massive stars to the iconic first photographs of a black hole in 2019. A cosmic tale of discovery, you'll learn: why black holes aren't really 'black', that you never ever want to be 'spaghettified', how black holes are more like sofa cushions than hoovers, and why beyond the event horizon, the future is a direction in space rather than in time. Full of wit and learning, this captivating book explains why black holes contain the secrets to the most profound questions about our universe


Book
Trous noirs et distorsions du temps : l'héritage sulfureux d'Einstein
Authors: --- --- ---
ISBN: 9782080268778 2080268775 Year: 2022 Publisher: Paris: Flammarion,

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Kip S. Thorne a été l'un des acteurs privilégiés d'une quête grandiose consistant à comprendre l'héritage transmis par Einstein. Pour nous faire vivre la captivante chronique des découvertes scientifiques prédites par la théorie de la relativité, il nous entraîne à travers un labyrinthe d'objets exotiques - naines blanches, étoiles à neutrons, ondes gravitationnelles, etc. -, dont les trous noirs sont peut-être les plus mystérieux de l'univers. Jonglant avec les décennies, évoquant la multiplicité des collaborations scientifiques à l'échelle de la planète, montrant l'enchevêtrement de la recherche et de la guerre froide, Kip S. Thorne peint une fresque fascinante et contrastée, où se côtoient astrophysique, sociologie, physique et spéculations audacieuses.


Book
Introducing Einstein's relativity : A deeper understanding
Authors: ---
ISBN: 9780198862031 0198862024 9780198862024 0198862032 Year: 2022 Publisher: New York, NY Oxford University Press

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"The main aim of this textbook is to provide students with a sound mathematical introduction coupled to an understanding of the physical insights needed to explore the subject. Indeed, the book follows Einstein in that it introduces the theory very much from a physical point of view. After introducing the special theory of relativity, the basic field equations of gravitation are derived and discussed carefully as a prelude to first solving them in simple cases and then exploring the three main areas of application. This new edition contains a substantial extension content that considers new and updated developments in the field. Topics include coverage of the advancement of observational cosmology, the detection of gravitational waves from colliding black holes and neutron stars, and advancements in modern cosmology. Einstein's theory of relativity is undoubtedly one of the greatest achievements of the human mind. Yet, in this book, the author makes it possible for students with a wide range of abilities to deal confidently with the subject. Based on both authors' experience teaching the subject this is achieved by breaking down the main arguments into a series of simple logical steps. Full details are provided in the text and the numerous exercises while additional insight is provided through the numerous diagrams. As a result this book makes an excellent course for any reader coming to the subject for the first time while providing a thorough understanding for any student wanting to go on to study the subject in depth" --


Book
Une brève histoire du temps : du big bang aux trous noirs
Authors: --- ---
ISBN: 2080297139 9782080297136 Year: 2022 Publisher: Paris: Flammarion,

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Premier livre de Stephen Hawking écrit à l’intention du non-spécialiste, succès incontournable dès sa parution, Une brève histoire du temps présente dans un langage simple et accessible les développements contemporains de l’astrophysique. Retraçant les grandes théories du cosmos, de Galilée et Newton à Einstein et Poincaré, racontant les avancées prodigieuses de la recherche sur l’espace et le temps, expliquant la nature des trous noirs, il propose de relever le plus grand défi de la science moderne : la quête d’une théorie unitaire unifiant la relativité générale et la mécanique quantique.


Book
Trous noirs et espace-temps : petite conférence
Author:
ISBN: 9782227500846 Year: 2022 Publisher: Montrouge : Bayard,

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Les trous noirs sont des objets fascinants. Nous sommes aujourd'hui pratiquement certains qu'ils existent et qu'il y en a des centaines de millions dans notre Galaxie. L'espace et le temps y sont très différents de ce que nous connaissons, ils peuvent même se changer l'un en l'autre ! Comment les trous noirs se forment-ils et quels sont les phénomènes étranges qui se passent autour d'eux et en eux ? De nombreuses questions se posent encore et de nouvelles idées un peu folles émergent. Nous verrons comment les théories récentes conduisent à un incroyable scénario d'étoiles en rebond, d'accélérateur vers le futur.


Book
The Milky Way smells of rum and raspberries : and other amozing cosmic facts
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ISBN: 9781785789267 9781785789274 Year: 2022 Publisher: Duxford : Icon Books,

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Astrophysicist Dr Jillian Scudder knows more than most of us what a surreal place the Universe can be. In this light-hearted book she delves into some of the more arcane facts that her work has revealed, and tells us how we have actually managed to discover these amazing truths. Did you know : the galaxy is flatter than a credit card ; supermassive black holes can sing a super-low B flat ; it rains iron on a brown dwarf, and diamonds on Neptune; you could grow turnips on Mars if its soil weren't full of rocket fuel ; the Universe is beige, on average; Jupiter's magnetic field will short-circuit your spacecraft - and, of course, the Milky Way smells of rum and raspberries.


Book
Black hole physics : from collapse to evaporation
Authors: ---
ISBN: 3031103424 3031103432 Year: 2022 Publisher: Cham, Switzerland : Springer,

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Dissertation
Scalar clouds around spinning black holes
Authors: --- --- --- ---
Year: 2022 Publisher: Liège Université de Liège (ULiège)

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One of the promising dark matter candidates is the ultra-light boson. A piece of observation evidence may come from black holes and their surroundings. Indeed, clouds made of ultra-light scalar particles should grow via the superradiance process and bind to spinning black holes. It turns out that the energy spectrum and the occupation of this cloud are similar to a hydrogen atom. This system is hence called a gravitational atom, in analogy with the hydrogen atom. Similar to the emission of electromagnetic waves during an electronic transition, one should expect the emission of gravitational waves during a bosonic transition. This thesis is dedicated to the formation of these scalar clouds and this exotic gravitational-wave signature.


Book
Global Understanding of Accretion and Ejection around Black Holes
Author:
ISBN: 3036556095 3036556109 Year: 2022 Publisher: Basel MDPI - Multidisciplinary Digital Publishing Institute

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Accretion-ejection around compact objects, mainly around black holes, both in low mass, supermassive, and intermediate-mass, are rich and has been studied exhaustively. However, the subject is expanding and growing rapidly after the launch of different space-based satellites and ground-based telescopes in multiwavelength bands, leaving a range of questions on accretion and ejection mechanisms. The proper understanding of the underlying physical mechanisms responsible for observational evidence is still lacking for several reasons. With the advent of high-resolution satellite observations, it is possible to look at the problems globally as a complete package in a more consistent way. Recently, many new low mass black hole candidates have been discovered; however, very little is known about those systems, e.g., mass, spin parameter, and orbital period. The study in the spectro-temporal domain also needs proper understanding of spectral state change, quasi-periodic oscillation frequency evolution, hardness intensity diagram, and line emissions. The goal and motivation of this book are to focus on top-quality original works in the above-mentioned context, with important research facts that are written in a highly understandable way, from a theoretical, observational, and numerical simulation ground.This book is a collection of high-quality research work, which will give a compact and concise description of the overall view of the subject.


Book
Memories of a theoretical physicist : a journey across the landscape of strings, black holes, and the multiverse
Authors: ---
ISBN: 0262368919 0262368900 0262543443 Year: 2022 Publisher: Cambridge, Massachusetts : The MIT Press,

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"Breakthrough Prize recipient Joseph Polchinksi (now deceased) reveals details of his upbringing, his collaborations with major figures in physics, and his significant contributions to string theory and cosmology"--

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