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Non-perturbative heavy quark effective theory

Rainer Sommer

in Modern Perspectives in Lattice QCD: Quantum Field Theory and High Performance Computing: Lecture Notes of the Les Houches Summer School: Volume 93, August 2009

Published in print:
2011
Published Online:
January 2012
ISBN:
9780199691609
eISBN:
9780191731792
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199691609.003.0009
Subject:
Physics, Theoretical, Computational, and Statistical Physics

This chapter describes a heuristic derivation of the HQET Lagrangian from continuum QCD and discusses the renormalization of the effective field theory. A lattice discretization is introduced ... More


Quantum Field Theory of Many-Body Systems: From the Origin of Sound to an Origin of Light and Electrons

Xiao-Gang Wen

Published in print:
2007
Published Online:
February 2010
ISBN:
9780199227259
eISBN:
9780191713019
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199227259.001.0001
Subject:
Physics, Theoretical, Computational, and Statistical Physics

For most of the last century, condensed matter physics has been dominated by band theory and Landau's symmetry breaking theory. In the last twenty years, however, there has been an emergence of a new ... More


Statistical Theory, Soft Modes, And Phase Transitions

M. E. LINES and A. M. GLASS

in Principles and Applications of Ferroelectrics and Related Materials

Published in print:
2001
Published Online:
February 2010
ISBN:
9780198507789
eISBN:
9780191709944
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198507789.003.0002
Subject:
Physics, Condensed Matter Physics / Materials

In order to acquire a simple physical picture of the dynamic mechanism of a phase transition it is necessary to use the simplest of many-body approximations. It is instructive, in particular, to ... More


Quantum field theory: An effective theory

Jean Zinn-Justin

in From Random Walks to Random Matrices

Published in print:
2019
Published Online:
August 2019
ISBN:
9780198787754
eISBN:
9780191829840
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787754.003.0008
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Chapter 8 discusses effective field theory. This concept is inspired by the theory of critical phenomena in statistical physics and based on renormalization group ideas. The basic idea behind ... More


Introduction to Effective Field Theories

Aneesh V. Manohar

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0002
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Introductory lectures on effective field theory (EFT) methods as used in high-energy physics to compute experimentally observable quantities. Topics covered in this chapter, which is based on these ... More


Effective Field Theory with Nambu–Goldstone Modes

Antonio Pich

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0003
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

These lectures provide an introduction to the low-energy dynamics of Nambu–Goldstone fields, which associated with some spontaneous (or dynamical) symmetry breaking, using the powerful methods of ... More


Introduction to Effective Field Theories and Inflation

C. P. Burgess

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The lecture notes presented in this chapter provide an introduction to inflationary cosmology with an emphasis on some of the ways effective field theories (EFTs) are used in its analysis. Topics ... More


Soft-Collinear Effective Theory

Thomas Becher

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The lectures that appear within this chapter provide an introduction to soft-collinear effective theory (SCET). It begins by discussing resummation for soft-photon effects in QED, including soft ... More


Renormalization Theory and Effective Field Theories

Matthias Neubert

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0001
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

Chapter 1 features lectures that review the formalism of renormalization in quantum field theories with special regard to effective quantum field theories. While renormalization theory is part of ... More


Quantum field theory (QFT) at finite temperature: Equilibrium properties

Jean Zinn-Justin

in Quantum Field Theory and Critical Phenomena: Fifth Edition

Published in print:
2021
Published Online:
June 2021
ISBN:
9780198834625
eISBN:
9780191872723
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198834625.003.0033
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Some equilibrium properties in statistical quantum field theory (QFT), that is, relativistic QFT at finite temperature are reviewed. Study of QFT at finite temperature is motivated by cosmological ... More


Heavy Quark Effective Theory: A Predictive EFT on the Lattice

Rainer Sommer

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0010
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The lattice formulation is a complete and unambiguous formulation of QCD. In principle it thus needs no tools beyond efficient Monte Carlo techniques. In practice various limits have to be taken ... More


Effective Field Theory of Large-Scale Structure

Tobias Baldauf

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0007
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The lectures featured in this chapter review the observables relevant to the large-scale structure (LSS) of our Universe. The chapter introduces an effective field theory (EFT) that allows us to ... More


Effective Field Theories for Heavy Quarks: Heavy Quark Effective Theory and Heavy Quark Expansion

Thomas Mannel

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0009
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The heavy quark effective theory (HQET) and the heavy quark expansion (HQE) have developed into the standard tools in heavy-flavour physics. The lectures in this chapter introduce the basics of the ... More


Effective Field Theories for Nuclear and (Some) Atomic Physics

U. van Kolck

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0006
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

These lectures are a pedagogical—not comprehensive—introduction to the applications of effective field theory (EFT) in the context of nuclear and atomic physics. A common feature of these ... More


Solutions to Problems at Les Houches Summer School on EFT

Marcel Balsiger, Marios Bounakis, Mehdi Drissi, John Gargalionis, Erik Gustafson, Greg Jackson, Matthew Leak, Christopher Lepenik, Scott Melville, Daniel Moreno, Michele Tammaro, Selim Touati, and Timothy Trott

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0012
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This final chapter provides details of worked solutions to the various problems set by the lecturers during the course of the school; some of these problems appear within the chapters of this book. ... More


Field theory in a finite geometry: Finite size scaling

Jean Zinn-Justin

in From Random Walks to Random Matrices

Published in print:
2019
Published Online:
August 2019
ISBN:
9780198787754
eISBN:
9780191829840
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787754.003.0019
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Computer simulations of critical statistical systems or quantum field theory models are performed with systems where sizes are finite. In transfer matrix calculations, all sizes but one are also ... More


From Random Walks to Random Matrices

Jean Zinn-Justin

Published in print:
2019
Published Online:
August 2019
ISBN:
9780198787754
eISBN:
9780191829840
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787754.001.0001
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Theoretical physics is a cornerstone of modern physics and provides a foundation for all modern quantitative science. It aims to describe all natural phenomena using mathematical theories and models ... More


From infinities in quantum electrodynamics to the general renormalization group

Jean Zinn-Justin

in From Random Walks to Random Matrices

Published in print:
2019
Published Online:
August 2019
ISBN:
9780198787754
eISBN:
9780191829840
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787754.003.0004
Subject:
Physics, Theoretical, Computational, and Statistical Physics

Chapter 4 describes a few important steps which have led from the discovery of infinities in quantum electrodynamics in the calculation of Feynman diagrams (ultraviolet divergences (UV divergences)) ... More


Effective Theory Approach to Direct Detection of Dark Matter

Junji Hisano

in Effective Field Theory in Particle Physics and Cosmology: Lecture Notes of the Les Houches Summer School: Volume 108, July 2017

Published in print:
2020
Published Online:
August 2020
ISBN:
9780198855743
eISBN:
9780191889370
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198855743.003.0011
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

It is now certain that dark matter exists in the Universe. However, we do not know its nature, nor are there dark matter candidates in the standard model of particle physics or astronomy However, ... More


The cosmological constant problem: why it’s hard to get dark energy from microphysics

C. P. Burgess

in Post-Planck Cosmology: Lecture Notes of the Les Houches Summer School: Volume 100, July 2013

Published in print:
2015
Published Online:
March 2015
ISBN:
9780198728856
eISBN:
9780191795794
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198728856.003.0004
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter presents an introduction to “naturalness” problems in cosmology and the cosmological constant problem in particular. The main focus is the “old” cosmological constant problem, although ... More


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