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Gravity-superconductors Interactions

Gravity-superconductors Interactions
Author: Giovanni Modanese
Publisher: Bentham Science Publishers
Total Pages: 334
Release: 2012
Genre: Science
ISBN: 1608053997

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"Recent developments in gravity-superconductivity interactions have been summarized by several researchers. If gravitation has to be eventually reconciled with quantum mechanics, the macroscopic quantum character of superconductors might actually matter. T"


Gravity-superconductors Interactions

Gravity-superconductors Interactions
Author: Glen A. Robertson
Publisher:
Total Pages:
Release: 2012
Genre:
ISBN:

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Annotation. Recent developments in gravity-superconductivity interactions have been summarized by several researchers. If gravitation has to be eventually reconciled with quantum mechanics, the macroscopic quantum character of superconductors might actually matter. This e-book attempts to answer one key question relating to gravity research: Is it possible to generate gravity-like fields by condensed-matter systems, in conditions accessible in a laboratory? General Relativity and lowest-order Quantum Gravity predict in this case very small emission rates, so these phenomena can only become relevant if some strong quantum effect occurs. This e-book is unique in its genre as it maintains a careful balance between different techniques and approaches in gravity and superconductivity research. It will be of interest for researchers in General Relativity and gravitation theories, in field theory, in experimental gravitation, in low-temperature and high-temperature superconductivity and in more applied fields such as telecommunications and beam propulsion technology.


Interacting Gravitational, Electromagnetic, Neutrino And Other Waves: In The Context Of Einstein's General Theory Of Relativity

Interacting Gravitational, Electromagnetic, Neutrino And Other Waves: In The Context Of Einstein's General Theory Of Relativity
Author: Anzhong Wang
Publisher: World Scientific
Total Pages: 220
Release: 2020-03-19
Genre: Science
ISBN: 9811211507

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This book is devoted to researchers who would like to investigate interactions among gravitational waves and matter fields beyond linear order, including the phenomena of memory effects, gravitational Faraday rotation, soft theorems, and formations of spacetime singularities due to the mutual focus of gravitational waves. Readers only require a basic understanding of general relativity to understand the materials.The book starts with an overview on the fundamentals of the Newman-Penrose formalism and a brief introduction to distribution theory, with which the author systematically develops a mathematical description of spacetimes of colliding plane waves. Then, the author presents a frame-independent definition of polarization of a plane gravitational wave in a curved spacetime, studies in detail the gravitational Faraday rotation of two plane gravitational waves, and shows that each of them can serve as a medium to the other precisely due to their nonlinear interactions. Exact solutions are also presented, which represent a variety of models including the collisions of two plane gravitational waves and the collisions of a plane gravitational wave with a dust shell, a massless scalar wave, an electromagnetic wave, or a neutrino wave. The formation of spacetime singularities due to nonlinear interactions and the effects of gravitational wave polarization on the nature of singularities are also explored.


The Interaction of Spin with Gravity in Particle Physics

The Interaction of Spin with Gravity in Particle Physics
Author: Gaetano Lambiase
Publisher: Springer Nature
Total Pages: 201
Release: 2021-09-27
Genre: Science
ISBN: 3030847713

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This book seeks to present a new way of thinking about the interaction of gravitational fields with quantum systems. Despite the massive amounts of research and experimentation, the myriad meetings, seminars and conferences, all of the articles, treatises and books, and the seemingly endless theorization, quantization and just plain speculation that have been engaged in regarding our evolving understanding of the quantum world, that world remains an enigma, even to the experts. The usefulness of general relativity in this regard has proven to be imperfect at best, but there is a new approach. We do not simply have to accept the limitations of Einstein's most celebrated theorem in regard to quantum theory; we can also embrace them, and thereby utilize them, to reveal new facts about the behavior of quantum systems within inertial and gravitational fields, and therefore about the very structure of space–time at the quantum level. By taking existing knowledge of the essential functionality of spin (along with the careful identification of the omnipresent inertial effects) and applying it to the quantum world, the book gives the reader a much clearer picture of the difference between the classical and quantum behaviors of a particle, shows that Einstein's ideas may not be as incompatible within this realm as many have come to believe, sparks new revelations of the way in which gravity affects quantum systems and brings a new level of efficiency—quantum efficiency, if you will—to the study of gravitational theory.


Quantum Gravity

Quantum Gravity
Author: Rodrigo Sobreiro
Publisher: BoD – Books on Demand
Total Pages: 114
Release: 2012-02-15
Genre: Science
ISBN: 9535100890

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The unification between gravity and quantum field theory is one of the major problems in contemporary fundamental Physics. It exists for almost one century, but a final answer is yet to be found. Although string theory and loop quantum gravity have brought many answers to the quantum gravity problem, they also came with a large set of extra questions. In addition to these last two techniques, many other alternative theories have emerged along the decades. This book presents a series of selected chapters written by renowned authors. Each chapter treats gravity and its quantization through known and alternative techniques, aiming a deeper understanding on the quantum nature of gravity. Quantum Gravity is a book where the reader will find a fine collection of physical and mathematical concepts, an up to date research, about the challenging puzzle of quantum gravity.


2nd Karl Schwarzschild Meeting on Gravitational Physics

2nd Karl Schwarzschild Meeting on Gravitational Physics
Author: Piero Nicolini
Publisher: Springer
Total Pages: 198
Release: 2018-09-22
Genre: Science
ISBN: 3319942565

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This book presents the proceedings of the 2nd Karl Schwarzschild Meeting on Gravitational Physics, focused on the general theme of black holes, gravity and information.Specialists in the field of black hole physics and rising young researchers present the latest findings on the broad topic of black holes, gravity, and information, highlighting its applications to astrophysics, cosmology, particle physics, and strongly correlated systems.


Gauge/Gravity Duality

Gauge/Gravity Duality
Author: Martin Ammon
Publisher: Cambridge University Press
Total Pages: 549
Release: 2015-04-09
Genre: Juvenile Nonfiction
ISBN: 1107010349

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The first textbook on this important topic, for graduate students and researchers in particle and condensed matter physics.


Holographic Superconductor with Multiple Competing Condensates

Holographic Superconductor with Multiple Competing Condensates
Author: Dorota M. Grabowska
Publisher:
Total Pages: 51
Release: 2010
Genre:
ISBN:

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Holography is a novel approach to modeling strongly interacting many-body systems. By reorganizing the quantum many-body problem into an equivalent problem in classical gravity, holography makes it relatively easy, for example, to study linear response and compute transport coefficients. These techniques have recently been used to build toy models of superconductivity known as "Holographic Superconductors". In this thesis, we will be applying these same holographic principles to a strongly-interacting superconducting system in which multiple condensates compete. In the gravitational description, our system begins with two non-interacting Abelian Higgs multiplets, each comprised of a vector and a charged scalar. This describes a system with two independent condensates. Coupling the scalars via a quartic interaction induces a competition between the two condensates, with a condensate of one operator suppressing or enhancing the other depending on the sign of the coupling.


Three Roads To Quantum Gravity

Three Roads To Quantum Gravity
Author: Lee Smolin
Publisher: Basic Books
Total Pages: 251
Release: 2008-03-18
Genre: Science
ISBN: 0465013244

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"It would be hard to imagine a better guide to this difficult subject." -- Scientific American In Three Roads to Quantum Gravity, Lee Smolin provides an accessible overview of the attempts to build a final "theory of everything." He explains in simple terms what scientists are talking about when they say the world is made from exotic entities such as loops, strings, and black holes and tells the fascinating stories behind these discoveries: the rivalries, epiphanies, and intrigues he witnessed firsthand. "Provocative, original, and unsettling." -- The New York Review of Books "An excellent writer, a creative thinker." -- Nature