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Exploring the Early Universe with Gravitational Waves
This work investigates gravitational wave production in the early universe and identifies potentially observable features, thereby paving the way for future gravitational wave experiments. It focuses on gravitational wave production in two scenarios: inflation in a model inspired by loop quantum gravity, and preheating at the end of inflation. In the first part, it is demonstrated that gravitational waves’ spectrum differs from the result obtained using ordinary general relativity, with potentially observable consequences that could yield insights into quantum gravity. In the second part, it is shown that the cosmic gravitational wave background is anisotropic at a level that could be detected by future experiments. Gravitational waves promise to be an rich source of information on the early universe. To them, the universe has been transparent from its earliest moments, so they can give us an unobstructed view of the Big Bang and a means to probe the fundamental laws of nature at very high energies.
Symmetry And Fundamental Physics: Tom Kibble At 80
Tom Kibble is an inspirational theoretical physicist who has made profound contributions to our understanding of the physical world. To celebrate his 80th birthday a one-day symposium was held on March 13, 2013 at the Blackett Laboratory, Imperial College, London. This important volume is a compilation of papers based on the presentations that were given at the symposium.The symposium profiled various aspects of Tom's long scientific career. The tenor of the meeting was set in the first talk given by Neil Turok, director of the Perimeter Institute for Theoretical Physics, who described Tom as “our guru and example”. He gave a modern overview of cosmological theories, including a discussi...
Astronomy and Astrophysics
This book discusses many of the recent theoretical and observational developments that have significant implications for astronomy and astrophysics. The main themes are (i) cosmology, (ii) gravitational wave astronomy and gravitational physics, (iii) stellar astrophysics, and (iv) active galactic nuclei and disk accretion. There are also contributions on the solar system. Contents: Cosmology: New Cosmological Data and the OCyBest-FitOCO Universe (O Lahav); Measuring the Universe with the Cosmic Microwave Background (D Barbosa & M Chu); Initial Conditions for Hybrid Inflation (L E Mendes & A R Liddle); The Density Parameter in Scalar Field Cosmologies (J P Mimoso & A Nunes); Relativistic Astr...
Leveller
A threat rises. It is unlike anything before. Extreme action is required—a new type of secret agent. Jackson Blake must go undercover, using cutting-edge quantum technology to migrate his consciousness into parallel selves. He has a weak lead and minimal intel. Doing whatever it takes to locate a terrorist hiding somewhere in alternative realities. Although highly skilled, Blake secretly wrestles with internal conflicts. Could they compromise his efforts? It will be a kaleidoscopic odyssey, challenging his perceptions, a test of endurance, racing against time. One question determines everything: Who or what is the leveller? Take on the mind-bending mission. Think once, act infinitely. ______________________________ “There is a contiguous logic to the characters’ actions, with admirable technical accuracy when required.” - Tim Barrett, Military Advisor. “An exhilarating mental workout…the underlying science is authoritative and well-researched.” - Prof. Jonathan Halliwell, Theoretical Physicist, Imperial College ______________________________ Ideal for fans of Terry Hayes, Christopher Nolan, Blake Crouch and Philip K. Dick.
Cosmic Anger
Biography of Abdus Salam, the first citizen of Pakistan to win a Nobel Prize, who was nevertheless branded as a heretic and excommunicated from his home country, where his achievements are often overlooked, even besmirched. Instead, he acted out his dreams on an wider stage, as a citizen of the world.
Strong and Electroweak Matter 2002
The SEWM2002 workshop, like the ones before, brought together theoretical physicists working on thermal field theory and, more generally, on (resummation) techniques for deriving effective actions based on QCD and the electroweak standard model of elementary particle physics, but describing nonstandard situations. The focus was on the temperature/chemical potential phase diagram of QCD, considered both analytically and with lattice gauge theory, equilibrium and nonequilibrium thermo field theory, and on heavy ion physics. Other related topics were OC small x physicsOCO in QCD, electroweak baryogenesis, inflation, and dark energy in the early universe."
Salam + 50
Proceedings of a conference held July 7, 2007, at Imperial College, London, by the Theoretical Physics Group.
Strong And Electroweak Matter 2004 - Proceedings Of The Sewm2004 Meeting
This volume presents an authoritative review of the physics of strongly and electroweakly interacting elementary particle matter in extreme conditions that prevailed in the very early Universe, and which are being recreated in high energy physics laboratories today. Exciting, high-quality experimental results from RHIC collider at Brookhaven, collected since summer 2000, suggest that strongly interacting quark-gluon plasma has indeed been produced. The study of these phenomena will form an important part of theoretical particle and nuclear physics for years to come.Based on the discussions of more than a hundred experts at the Strong and Electroweak Matter 2004 Meeting, this volume contains an up-to-date overview of present ideas on QCD matter: quark-gluon plasma in heavy ion collisions, phase structure, kinetics, thermalization and transport properties. Also discussed are topics related to the cosmology of the early Universe, dark matter, inflation and creation of particle-antiparticle asymmetries. Both analytic and numerical lattice Monte Carlo methods are emphasized.
