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Author: John Barrow
Publisher: Vintage
ISBN: 0307555356
Category : Science
Languages : en
Pages : 370
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Book Description
Reality as we know it is bound by a set of constants—numbers and values that dictate the strengths of forces like gravity, the speed of light, and the masses of elementary particles. In The Constants of Nature, Cambridge Professor and bestselling author John D.Barrow takes us on an exploration of these governing principles. Drawing on physicists such as Einstein and Planck, Barrow illustrates with stunning clarity our dependence on the steadfastness of these principles. But he also suggests that the basic forces may have been radically different during the universe’s infancy, and suggests that they may continue a deeply hidden evolution. Perhaps most tantalizingly, Barrow theorizes about the realities that might one day be found in a universe with different parameters than our own.
Author: John Barrow
Publisher: Vintage
ISBN: 0307555356
Category : Science
Languages : en
Pages : 370
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Book Description
Reality as we know it is bound by a set of constants—numbers and values that dictate the strengths of forces like gravity, the speed of light, and the masses of elementary particles. In The Constants of Nature, Cambridge Professor and bestselling author John D.Barrow takes us on an exploration of these governing principles. Drawing on physicists such as Einstein and Planck, Barrow illustrates with stunning clarity our dependence on the steadfastness of these principles. But he also suggests that the basic forces may have been radically different during the universe’s infancy, and suggests that they may continue a deeply hidden evolution. Perhaps most tantalizingly, Barrow theorizes about the realities that might one day be found in a universe with different parameters than our own.
Author: Gilles Cohen-Tannoudji
Publisher: McGraw-Hill Companies
ISBN:
Category : Science
Languages : en
Pages : 130
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Book Description
Author: Khalid Jerrari
Publisher: Khalid Jerrari
ISBN:
Category : Science
Languages : en
Pages : 73
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Book Description
The fundamental laws of physics include fixed numerical parameters called "universal constants". These quantities, determined experimentally and supposed to vary neither in time nor in space, remain one of the greatest mysteries of science. Our current knowledge does not allow us to understand their origin nor to determine them in a theoretical way. In this book, the author is mainly interested in these elements. His approach is to build a theoretical framework that could explain the source of these constants in our laws of physics and to propose a method that would not only predict them all but also define them. To do this, the author begins by introducing the assumptions on which he bases his theory. Then, in a first part, he expresses the universal constants, the Planck units and the thermodynamic quantities of the Universe in terms of its characteristic variables, such as its mass and its radius. In a second part, he demonstrates the constancy of the Planck units as well as that of the universal constants and, finally, he proposes a general theoretical framework to determine them.
Author: O. P. Spiridonov
Publisher:
ISBN:
Category : Physical constants
Languages : en
Pages : 216
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Book Description
Author: Harald Fritzsch
Publisher: World Scientific
ISBN: 9814338362
Category : Science
Languages : en
Pages : 214
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Book Description
The speed of light, the fine structure constant, and Newton's constant of gravity — these are just three among the many physical constants that define our picture of the world. Where do they come from? Are they constant in time and across space? In this book, physicist and author Harald Fritzsch invites the reader to explore the mystery of the fundamental constants of physics in the company of Isaac Newton, Albert Einstein, and a modern-day physicist. The conversation that the three scientists are imagined to have provides an entertaining introduction to the constants and covers topics ranging from atomic, nuclear, and particle physics to astrophysics and cosmology.
Author: Lev Borisovi? Oku?
Publisher: World Scientific
ISBN: 9812814124
Category : Science
Languages : en
Pages : 323
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Book Description
This is the first book in which Einstein's equation is explicitly compared with its popular though not correct counterpart E = mc2, according to which mass increases with velocity. The book will be of interest to researchers in theoretical, atomic and nuclear physics, to historians of science as well as to students and teachers interested in relativity theory.
Author: Lyman Page
Publisher: Princeton University Press
ISBN: 0691201692
Category : Science
Languages : en
Pages : 138
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Book Description
The cutting-edge science that is taking the measure of the universe The Little Book of Cosmology provides a breathtaking look at our universe on the grandest scales imaginable. Written by one of the world's leading experimental cosmologists, this short but deeply insightful book describes what scientists are revealing through precise measurements of the faint thermal afterglow of the Big Bang—known as the cosmic microwave background, or CMB—and how their findings are transforming our view of the cosmos. Blending the latest findings in cosmology with essential concepts from physics, Lyman Page first helps readers to grasp the sheer enormity of the universe, explaining how to understand the history of its formation and evolution in space and time. Then he sheds light on how spatial variations in the CMB formed, how they reveal the age, size, and geometry of the universe, and how they offer a blueprint for the formation of cosmic structure. Not only does Page explain current observations and measurements, he describes how they can be woven together into a unified picture to form the Standard Model of Cosmology. Yet much remains unknown, and this incisive book also describes the search for ever deeper knowledge at the field's frontiers—from quests to understand the nature of neutrinos and dark energy to investigations into the physics of the very early universe.
Author: Israel Fried
Publisher: Lulu.com
ISBN: 0557096065
Category : Science
Languages : en
Pages : 204
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Book Description
In this revision: The electric charge of a subatomic particle is originated from its Orbital Angular Momentum (OAM). The electron mass is a magnitude that expresses quantitatively the square of its magnetic flux quantum. The proton, the neutron and all baryons consist of three energy levels on which the quarks are orbiting. The third energy level is equivalent to 80.5 Gev; it plays a role at decaying process through the weak force. The quark's OAM is a third or two thirds of the reduced Planck constant. The proton's missing spin is resolved by quarks OAM contribution. The electron is a bound state composition of a negative Pion and an electron Neutrino. The theory predicts a neutral boson of 160Gev (alongside to W+ boson from a 240Gev decaying particle). The 2007 data analysis at CDF (Tevatron) showed this possibility. Apparently this was a valid finding despite the final results.The 240Gev particle can also decay to two W+ and one W- Bosons instead of 160Gev Boson which makes it hard to be detected.
Author: H. Bachmair
Publisher: Springer Science & Business Media
ISBN: 9783540542582
Category : Science
Languages : en
Pages : 392
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Book Description
Subvolume b.
Author: Manjunath.R
Publisher: Manjunath.R
ISBN:
Category : Antiques & Collectibles
Languages : en
Pages : 118
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Book Description
Throughout all of the formulations of the basic equations of gravitation, quantum mechanics, electromagnetism, the nuclear physics and their application to the real world, there appear again and again certain fundamental invariant quantities called the fundamental physical constants –which are generally believed to be both universal in nature and have constant value in time. This book discusses the calculations and Interpretations of the Fundamental Constants which consistently appear in the basic equations of theoretical physics upon which the entire scientific study rests, nor are they properties of the fundamental particles of physics of which all matter is constituted. The speed of light signifies a maximum speed for any object while the fine-structure constant characterizes the strength of the electromagnetic interaction. An accurate knowledge of fundamental constants is therefore essential if we hope to achieve an accurate quantitative description of our physical universe. The careful study of the numerical values of the fundamental constants − as determined from various experiments − can in turn determine the overall consistency and correctness of the basic theories of physics themselves.
