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Gravitational Waves
This chapter and Chap. 7 deal with two fundamental concepts in spacetime physics—gravitational...
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Gravitational Waves
Gravity pulls people, apples, birds, and even the Moon down toward the Earth. This force, which arises between any two masses, is responsible for the...
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Gravitational Waves
This chapter includes the work done for the Nobel Prizes awarded to R. A. Hulse and J. H. Taylor Jr. in 1993 and to B. C. Barish, K. S. Thorne and R....
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Thermal Gravitational Waves
High-frequency (thermal) gravitational waves from stellar cores, jets, gamma-ray bursts, primordial black holes, etc., are not often discussed. Here...
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Stochastic Gravitational Waves
In particle physics models of Grand Unified Theories (GUTs), we have a series of symmetry breaking in the early universe. For example we may have the...
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Physics of Gravitational Waves Sources and Detection Methods
This book provides a concise introduction to the physics of gravitational waves. It is aimed at graduate-level students and PhD scholars.
Ever since...
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Detection of Gravitational Waves
We mention the various methods invoked to detect gravitational waves, starting from Weber bar detectors. Details of the current LIGO detectors and...
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Gravitational slip parameter and gravitational waves in Einstein–Cartan theory
We study the evolution of scalar and tensor cosmological perturbations in the framework of the Einstein–Cartan theory of gravity. The value of the...
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Smearing of primordial gravitational waves
A mechanism for smearing of the primordial gravitational waves during the radiation-dominated phase of the evolution of the Universe is considered....
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Astrophysics with continuous gravitational waves
Direct detection of gravitational waves has become a powerful new tool of multi-messenger astrophysics. Apart from short-duration (transient) events,...
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Gravitational Waves
In this chapter we discuss the concept of gravitational waves and how they are observed. We start with the enormous loss of energy of two closely...
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Interaction of gravitational waves with Yang–Mills fields
In this paper, we discuss the interaction of non-Abelian SU(2) Yang–Mills progressive waves with gravitational waves. We solve and obtain some...
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Gravitational Waves from Binary Systems
We discuss the emission of gravitational waves from binary systems of compact objects and associated phenomena such as the shrinking of the orbits...
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Cosmological gravitational waves from isocurvature fluctuations
Gravitational waves induced by large primordial curvature fluctuations may result in a sizable stochastic gravitational wave background....
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Gravitational Waves Sans General Theory of Relativity
The detection of gravitational waves is considered one of the definitive tests of the general theory of relativity. This chapter will examine how...
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Test gravitational waves in sandwich wave background
The scattering of test fields by sandwich waves has been studied extensively. It has been found that the energy of the scattered waves is amplified...
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Colliding plane gravitational waves of unequal strength
Khan and Penrose, and separately Szekeres, presented solutions of colliding impulsive and sandwich plane gravitational waves, respectively. They only...
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Primordial gravitational waves assisted by cosmological scalar perturbations
Primordial gravitational waves are a crucial prediction of inflation theory, and their detection through their imprints on the cosmic microwave...
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Gravitational Waves from Nnaturalness
We study the prospects for probing the Nnaturalness solution to the electroweak hierarchy problem with future gravitational wave observatories....
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London-Like Tensor Modes of Gravitational Waves in Cosmic String Cosmology
AbstractFrom a classical analysis, we show that gravitational waves in a cosmological medium with the equation of state parameter
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