## 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*

- 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*

- 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*

- 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*

- 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*

- 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*

- 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*

- 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*

- 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