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Physics Literature Collection


The World Public Library Physics Collection contains 263 conversations regarding the nature of physics.

 
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Chapter 11 : Geochemistry of the Solid Earth I : The Mantle and Core

By: W.M. White

Physics Literature

Introduction: Though sizable pieces of mantle occasionally crop out on the Earth?s surface as alpine massifs or ophiolites, and small pieces, xenoliths, are occasionally brought to the surface by volcanic eruptions, much of what we know about the mantle has been deduced indirectly. Indirect methods of study include determination of geophysical properties such as heat flow, density and seismic velocity. Another indirect method of study is examination of volcanic rocks pro...

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Chapter 12 : Geochemistry of the Solid Earth II : The Crust

By: W.M. White

Physics Literature

Introduction: We now turn our attention to the crust. Though the crust forms only a small fraction of the mass of the Earth (about 0.5%), it is arguably the most varied and interesting fraction. Further, it?s the fraction we can examine directly and therefore know most about. The crust has formed through igneous processes from the mantle over geologic time. There are two fundamental kinds of crust: oceanic and continental. Oceanic crust, created by magmatism at mid-ocean...

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Chapter 13 : Reactions at the Earths Surface : Weathering Soils an...

By: W.M. White

Physics Literature

Introduction: The geochemistry of the Earth?s surface is dominated by aqueous solutions and their interactions with rock. We saw in the last chapter that the upper continental crust has the approximate average composition of granodiorite, and that the oceanic crust consists of basalt. But a random sample of rock from the crust is unlikely to be either; indeed it many not be an igneous rock at all. At the very surface of the Earth, sediments and soils predominate. Both ar...

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Chapter 15 : The Oceans as a Chemical System

By: W.M. White

Physics Literature

Introduction: Antoine Lavoisier called seawater On the rinsing of the Earth. Given the tenuous understanding of geological processes existing at the time (the late 18th century), this is a remarkably insightful observation. Most of the salts in the oceans are derived from weathering of the continents and delivered to the oceans by rivers. But the story of seawater is more complex than this. Some components of seawater are derived from hydrothermal metamorphism of the oce...

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Chapter 16 Cohomoligy

By: J. Milnor

Physics Literature

Excerpt: Recall that the exterior derivative d:Ap(M) Ap+1(M) satisfies ...

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Connection and Curvature

Physics Literature

Excerpt: We can define the notion of covariant derivative in an axiomitic way analogous to the way we introduced the exterior derivative.

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Curvilinear Co-Ordinates

Physics Literature

Excerpt: A basis in a vector space is also a co-ordinate system: it associates a set on n=dim V numbers with every point that uniquely specifies it.

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Deformation Quantization

Physics Literature

Excerpt: The set of instantaneous of a quantum system form a complex Hilbert H.

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Differential Forms

Physics Literature

Excerpt: Notice that the division operation on scalars is never used in the axioms defining a vector space.

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Doing Physics with Quaternions

By: Douglas B. Sweetser

Physics Literature

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General Relativity and Cosmology for Undergraduates

Physics Literature

Excerpt: General Relativity is the most accurate theory of gravity due to Albert Einstein.

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Geometrical Optics

Physics Literature

Excerpt: When the wavelength of light is small, it is possible to approximate its propagation by rays.

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Introduction

Physics Literature

Excerpt: We will study geometry as it is used in physics 0.2 Mathematics is the most exact possible thought ...

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Lie Groups

Physics Literature

Excerpt: A group is a set G along with a map (multiplication) GxG.

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Manifolds

Physics Literature

Excerpt: We will now study manifolds, the basic objects of geometry ...

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Classical Mechanics

Physics Literature

Excerpt: Mechanics is the oldest and most fundamental branch of physics; the rest of physics is modeled on it.

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Chapter 17 Morse Theory

Physics Literature

Excerpt: In physics and geometry the problem of finding the extreme of a function arise often.

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Parallel Transport

Physics Literature

Excerpt: The components of the metric tensor are constant in Cartesian co-ordinates in Euclidean space.

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Poisson Brackets

Physics Literature

Excerpt: The set of observables of a classical system forms a real commutative algebra.

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Riemannian Geometry

Physics Literature

Excerpt: A Riemannian metric g on a manifold M is a symmetric non-degenerate covariant tensor field.

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