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Supermassive Black Holes

Charles D. Bailyn

in What Does a Black Hole Look Like?

Published in print:
2014
Published Online:
October 2017
ISBN:
9780691148823
eISBN:
9781400850563
Item type:
chapter
Publisher:
Princeton University Press
DOI:
10.23943/princeton/9780691148823.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter focuses on supermassive black holes, which are sometimes abbreviated “SMBHs.” Stellar-mass black holes are clearly common consequences of stellar evolution, but they are not the only ... More


WHY THINGS DON'T WORK

Helmuth Spieler

in Semiconductor Detector Systems

Published in print:
2005
Published Online:
September 2007
ISBN:
9780198527848
eISBN:
9780191713248
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198527848.003.0009
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses pitfalls encountered in bringing detector systems into operation. Common interference mechanisms — e.g., power supply noise, light leaks, RF pickup, and microphonics — are ... More


Special relativity: The geometric formulation

Ta-Pei Cheng

in Relativity, Gravitation and Cosmology: A Basic Introduction

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199573639
eISBN:
9780191722448
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199573639.003.0003
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Constancy of light speed allows us to interpret geometrically the relativistic invariant interval s as a length in the 4D manifold, called Minkowski spacetime, with a metric equal to diag(-1,1,1,1). ... More


The principle of equivalence

Ta-Pei Cheng

in Relativity, Gravitation and Cosmology: A Basic Introduction

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199573639
eISBN:
9780191722448
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199573639.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

After a review of the Newtonian theory of gravitation in terms of its potential function, we start the study of general relativity (GR) with the introduction of the equivalence principle (EP). The ... More


Spherically symmetric spacetime — GR tests

Ta-Pei Cheng

in Relativity, Gravitation and Cosmology: A Basic Introduction

Published in print:
2009
Published Online:
February 2010
ISBN:
9780199573639
eISBN:
9780191722448
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199573639.003.0007
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

A spherically symmetric metric has two unknown scalar metric functions. The Schwarzschild solution to the GR field equation is presented. An embedding diagram is used to visualize such a warp space. ... More


A College Course on Relativity and Cosmology

Ta-Pei Cheng

Published in print:
2015
Published Online:
August 2015
ISBN:
9780199693405
eISBN:
9780191803130
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199693405.001.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This book introduces Einstein’s general theory of relativity. Topics include the geometric formulation of special relativity, the principle of equivalence, the Einstein field equation and its ... More


Tests Of The Gauge Structure Of QCD: Colour Factors

GÜNTHER DISSERTORI, IAN G. KNOWLES, and MICHAEL SCHMELLING

in Quantum Chromodynamics: High Energy Experiments and Theory

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199566419
eISBN:
9780191708060
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199566419.003.0010
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter examines the QCD lagrangian, focusing on the gauge group governing the dynamics of strong interactions. Experiments are described which verify that QCD is based on the gauge group SU(3). ... More


Kepler’s SN OF AD 1604

F. Richard Stephenson and David A. Green

in Historical Supernovae and their Remnants

Published in print:
2002
Published Online:
January 2010
ISBN:
9780198507666
eISBN:
9780191709876
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507666.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The most recent Galactic SN that can be confidently identified was seen in AD 1604, some five years before the advent of telescopic astronomy. This star, which appeared in Ophiuchus, reached a peak ... More


Tycho's SN Of AD 1572

F. Richard Stephenson and David A. Green

in Historical Supernovae and their Remnants

Published in print:
2002
Published Online:
January 2010
ISBN:
9780198507666
eISBN:
9780191709876
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507666.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Although this brilliant SN was recorded in both China and Korea, European measurements of its changing brightness and position are far superior to those from East Asia. Appearing in Cassiopeia, the ... More


Effective Theory Of Superfluidity

VOLOVIK GRIGORY E.

in The Universe in a Helium Droplet

Published in print:
2009
Published Online:
January 2010
ISBN:
9780199564842
eISBN:
9780191709906
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199564842.003.0004
Subject:
Physics, Condensed Matter Physics / Materials, Particle Physics / Astrophysics / Cosmology

This chapter discusses how the effective theory incorporates the low-energy dynamics of the superfluid vacuum and the dynamics of the system of quasiparticles in Bose liquids. The effective theory of ... More


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