Mesoscopic Physics of Electrons and Photons

Author: Eric Akkermans; Gilles Montambaux  

Publisher: Cambridge University Press‎

Publication year: 2007

E-ISBN: 9780511286926

P-ISBN(Paperback): 9780521855129

Subject: O488 mesoscopic physics

Keyword: 凝聚态物理学

Language: ENG

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Mesoscopic Physics of Electrons and Photons

Description

Quantum mesoscopic physics covers a whole class in interference effects related to the propagation of waves in complex and random media. These effects are ubiquitous in physics, from the behaviour of electrons in metals and semiconductors to the propagation of electromagnetic waves in suspensions such as colloids, and quantum systems like cold atomic gases. A solid introduction to quantum mesoscopic physics, this book is a modern account of the problem of coherent wave propagation in random media. It provides a unified account of the basic theoretical tools and methods, highlighting the common aspects of the various optical and electronic phenomena involved and presenting a large number of experimental results. With over 200 figures, and exercises throughout, the book was originally published in 2007 and is ideal for graduate students in physics, electrical engineering, applied physics, acoustics and astrophysics. It will also be an interesting reference for researchers.

Chapter

Appendix A2.1: Theory of elastic collisions and single scattering

A2.1.1 Asymptotic form of the solutions

A2.1.2 Scattering cross section and scattered flux

A2.1.3 Optical theorem Shadow term

Scattering matrix and optical theorem

A2.1.4 Born approximation

Low energy limit

The δ function potential

Appendix A2.2: Reciprocity theorem

Appendix A2.3: Light scattering

A2.3.1 Classical Rayleigh scattering

A2.3.2 Mie scattering

A2.3.3 Atom–photon scattering in the dipole approximation

Non-resonant Rayleigh scattering

Resonant scattering

3 Perturbation theory

3.1 Green's functions

3.1.1 Green's function for the Schrödinger equation

Some properties of Green’s functions

Green’s function and density of states

Free Green’s function

3.1.2 Green's function for the Helmholtz equation

3.2 Multiple scattering expansion

3.2.1 Dyson equation

3.2.2 Self-energy

3.3 Average Green's function and average density of states

Appendix A3.1: Short range correlations

4 Probability of quantum diffusion

4.1 Definition

4.2 Free propagation

4.3 Drude--Boltzmann approximation

4.4 Diffuson or ladder approximation

Diffuson and reciprocity theorem

Diffuson and anisotropic collisions

4.5 The Diffuson at the diffusion approximation

4.6 Coherent propagation: the Cooperon

4.7 Radiative transfer

Appendix A4.1: Diffuson and Cooperon in reciprocal space

A4.1.1 Collisionless probability P0(q, ω)

A4.1.2 The Diffuson

A4.1.3 The Cooperon

Appendix A4.2: Hikami boxes and Diffuson crossings

A4.2.1 Hikami boxes

A4.2.2 Normalization of the probability and renormalization of the diffusion coefficient

A4.2.3 Crossing of two Diffusons

Quantitative description of two-Diffuson crossings

Appendix A4.3: Anisotropic collisions and transport mean free path

Appendix A4.4: Correlation of diagonal Green’s functions

Appendix A4.5: Other correlation functions

A4.5.1 Correlations of Green's functions

A4.5.2 A Ward identity

A4.5.3 Correlations of wave functions

5 Properties of the diffusion equation

5.1 Introduction

5.2 Heat kernel and recurrence time

5.2.1 Heat kernel – probability of return to the origin

5.2.2 Recurrence time

5.3 Free diffusion

5.4 Diffusion in a periodic box

5.5 Diffusion in finite systems

5.5.1 Diffusion time and Thouless energy

5.5.2 Boundary conditions for the diffusion equation

5.5.3 Finite volume and "zero mode"

5.5.4 Diffusion in an anisotropic domain

5.6 One-dimensional diffusion

5.6.1 The ring: periodic boundary conditions

5.6.2 Absorbing boundaries: connected wire

5.6.3 Reflecting boundaries: isolated wire

5.6.4 Semi-infinite wire

5.7 The image method

Appendix A5.1: Validity of the diffusion approximation in an infinite medium

Appendix A5.2: Radiative transfer equation

A5.2.1 Total intensity

A5.2.2 Diffuse intensity

A5.2.3 Boundary conditions

A5.2.4 Slab illuminated by an extended source

Reflection

A5.2.5 Semi-infinite medium illuminated by a collimated beam

Appendix A5.3: Multiple scattering in a finite medium

A5.3.1 Multiple scattering in a half-space: the Milne problem

A5.3.2 Diffusion in a finite medium

Semi-infinite medium

Slab of finite width

Appendix A5.4: Spectral determinant

Spectral determinant and density of states

Example: diffusion in the infinite plane

Example: topological invariant

Appendix A5.5: Diffusion in a domain of arbitrary shape –Weyl expansion

Appendix A5.6: Diffusion on graphs

A5.6.1 Spectral determinant on a graph

A5.6.2 Examples

A5.6.3 Thermodynamics, transport and spectral determinant

6 Dephasing

6.1 Dephasing and multiple scattering

6.1.1 Generalities

6.1.2 Mechanisms for dephasing: introduction

6.1.3 The Goldstone mode

6.2 Magnetic field and the Cooperon

6.3 Probability of return to the origin in a uniform magnetic field

6.4 Probability of return to the origin for an Aharonov–Bohm flux

6.4.1 The ring

6.4.2 The cylinder

6.5 Spin-orbit coupling and magnetic impurities

6.5.1 Transition amplitude and effective interaction potential

6.5.2 Total scattering time

6.5.3 Structure factor

Elementary vertex

Integral equation

Diagonalization

6.5.4 The Diffuson

6.5.5 The Cooperon

6.5.6 The diffusion probability

6.5.7 The Cooperon Xc

6.6 Polarization of electromagnetic waves

6.6.1 Elastic mean free path

6.6.2 Structure factor

Elementary vertex

6.6.3 Classical intensity

6.6.4 Coherent backscattering

6.7 Dephasing and motion of scatterers

6.7.1 General expression for the phase shift

6.7.2 Dephasing associated with the Brownian motion of the scatterers

6.8 Dephasing or decoherence?

Appendix A6.1: Aharonov–Bohm effect in an infinite plane

Spectral determinant and Aharonov–Bohm effect

Appendix A6.2: Functional representation of the diffusion equation

A6.2.1 Functional representation

A6.2.2 Brownian motion and magnetic field

Lévy law of algebraic areas and uniform field

Distribution of winding numbers in a ring

Aharonov–Bohm flux in the plane: the Edwards problem

Appendix A6.3: The Cooperon in a time-dependent field

Appendix A6.4: Spin-orbit coupling and magnetic impurities, a heuristic point of view

A6.4.1 Spin-orbit coupling

A6.4.2 Magnetic impurities

Appendix A6.5: Decoherence in multiple scattering of light by cold atoms

A6.5.1 Scattering amplitude and atomic collision time

Atomic collision time and elastic mean free path

A6.5.2 Elementary atomic vertex

A6.5.3 Structure factor

Integral equation for the Diffuson

Integral equation for the Cooperon

Diagonalization

7 Electronic transport

7.1 Introduction

7.2 Incoherent contribution to conductivity

7.2.1 Drude–Boltzmann approximation

7.2.2 The multiple scattering regime: the Diffuson

7.2.3 Transport time and vertex renormalization

7.3 Cooperon contribution

7.4 The weak localization regime

7.4.1 Dimensionality effect

7.4.2 Finite size conductors

7.4.3 Temperature dependence

7.5 Weak localization in a magnetic field

7.5.1 Negative magnetoresistance

7.5.2 Spin-orbit coupling and magnetic impurities

7.6 Magnetoresistance and Aharonov–Bohm flux

7.6.1 Ring

7.6.2 Long cylinder: the Sharvin–Sharvin effect

7.6.3 Remark on the Webb and Sharvin–Sharvin experiments…

7.6.4 The Aharonov--Bohm effect in an infinite plane

Appendix A7.1: Kubo formulae

A7.1.1 Conductivity and dissipation

A7.1.2 Density-density response function

Appendix A7.2: Conductance and transmission

A7.2.1 Introduction: Landauer formula

A7.2.2 From Kubo to Landauer

A7.2.3 Average conductance and transmission

A7.2.4 Boundary conditions and impedance matching

A7.2.5 Weak localization correction in the Landauer formalism

A7.2.6 Landauer formalism for waves Wave guide geometry

Open space geometry

Appendix A7.3: Real space description of conductivity

Appendix A7.4: Weak localization correction and anisotropic collisions

8 Coherent backscattering of light

8.1 Introduction

8.2 The geometry of the albedo

8.2.1 Definition

8.2.2 Albedo of a diffusive medium

8.3 The average albedo

8.3.1 Incoherent albedo: contribution of the Diffuson

8.3.2 The coherent albedo: contribution of the Cooperon

8.4 Time dependence of the albedo and study of the triangular cusp

8.5 Effect of absorption

8.6 Coherent albedo and anisotropic collisions

8.7 The effect of polarization

8.7.1 Depolarization coefficients

8.7.2 Coherent albedo of a polarized wave

8.8 Experimental results

8.8.1 The triangular cusp

8.8.2 Decrease of the height of the cone

8.8.3 The role of absorption

8.9 Coherent backscattering at large

8.9.1 Coherent backscattering and the "glory" effect

8.9.2 Coherent backscattering and opposition effect in astrophysics

8.9.3 Coherent backscattering by cold atomic gases

Depolarization of the Diffuson

Reduction of the enhancement factor of the coherent albedo

8.9.4 Coherent backscattering effect in acoustics

9 Diffusing wave spectroscopy

9.1 Introduction

9.2 Dynamic correlations of intensity

9.3 Single scattering: quasi-elastic light scattering

9.4 Multiple scattering: diffusing wave spectroscopy

9.5 Influence of the geometry on the time correlation function

9.5.1 Reflection by a semi-infinite medium

9.5.2 Comparison between…

9.5.3 Reflection from a finite slab

9.5.4 Transmission

Appendix A9.1: Collective motion of scatterers

10 Spectral properties of disordered metals

10.1 Introduction

10.1.1 Level repulsion and integrability

10.1.2 Energy spectrum of a disordered metal

10.2 Characteristics of spectral correlations

10.3 Poisson distribution

10.4 Universality of spectral correlations: random matrix theory

10.4.1 Level repulsion in 2 × 2 matrices

10.4.2 Distribution of eigenvalues for N × N matrices

10.4.3 Spectral properties of random matrices

Two-point correlation function

Form factor

Spectral rigidity

Level spacing distribution

10.5 Spectral correlations in the diffusive regime

10.5.1 Two-point correlation function

10.5.2 The ergodic limit

10.5.3 Free diffusion limit

Appendix A10.1: The GOE-GUE transition

11 Universal conductance fluctuations

11.1 Introduction

11.2 Conductivity fluctuations

Use of the Einstein relation

Calculation from the Kubo formula

11.2.1 Fluctuations of the density of states

11.2.2 Fluctuations of the diffusion coefficient

11.3 Universal conductance fluctuations

11.4 Effect of external parameters

11.4.1 Energy dependence

11.4.2 Temperature dependence

11.4.3 Phase coherence and the mesoscopic regime

11.4.4 Magnetic field dependence

11.4.5 Motion of scatterers

11.4.6 Spin-orbit coupling and magnetic impurities

Appendix A11.1: Universal conductance fluctuations and anisotropic collisions

Appendix A11.2: Conductance fluctuations in the Landauer formalism

12 Correlations of speckle patterns

12.1 What is a speckle pattern?

12.2 How to analyze a speckle pattern

12.3 Average transmission coefficient

12.4 Angular correlations of the transmitted light

12.4.1 Short range C(1) correlations

12.4.2 Long range correlations C(2)

12.4.3 Two-crossing contribution and C(3) correlation

12.4.4 Relation with universal conductance fluctuations

12.5 Speckle correlations in the time domain

12.5.1 Time dependent correlations C(1) (t) and C(2) (t)

12.5.2 Time dependent correlation C(3) (t)

12.6 Spectral correlations of speckle patterns

12.7 Distribution function of the transmission coefficients

12.7.1 Rayleigh distribution law

12.7.2 Gaussian distribution of the transmission coefficient…

12.7.3 Gaussian distribution of the electrical conductance

Appendix A12.1: Spatial correlations of light intensity

A12.1.1 Short range correlations

A12.1.2 Long range correlations

13 Interactions and diffusion

13.1 Introduction

13.2 Screened Coulomb interaction

13.3 Hartree–Fock approximation

13.4 Density of states anomaly

13.4.1 Static interaction

13.4.2 Tunnel conductance and density of states anomaly

13.4.3 Dynamically screened interaction

13.4.4 Capacitive effects

13.5 Correction to the conductivity

13.6 Lifetime of a quasiparticle

13.6.1 Introduction: Landau theory and disorder

13.6.2 Lifetime at zero temperature

13.6.3 Quasiparticle lifetime at finite temperature

13.6.4 Quasiparticle lifetime at the Fermi level

13.7 Phase coherence

13.7.1 Introduction

13.7.2 Phase coherence in a fluctuating electric field

13.7.3 Phase coherence time in dimension d=1

13.7.4 Phase coherence and quasiparticle relaxation

13.7.5 Phase coherence time in dimensions d=2 and d=3

13.7.6 Measurements of the phase coherence time …

Appendix A13.1: Screened Coulomb potential in confined geometry

Appendix A13.2: Lifetime in the absence of disorder

14 Orbital magnetism and persistent currents

14.1 Introduction

14.2 Free electron gas in a uniform field

14.2.1 A reminder: the case of no disorder

Landau susceptibility and de Haas–van Alphen effect

Effect of temperature

14.2.2 Average magnetization

14.2.3 Fluctuations of the magnetization

14.3 Effect of Coulomb interaction

14.3.1 Hartree–Fock approximation

14.3.2 Cooper renormalization

14.3.3 Finite temperature

14.4 Persistent current in a ring

14.4.1 Clean one-dimensional ring: periodicity and parity effects

Temperature effect

14.4.2 Average current

14.5 Diffusive limit and persistent current

14.5.1 Typical current of a disordered ring

14.5.2 Effect of the Coulomb interaction on the average current

14.5.3 Persistent current and spin-orbit coupling

14.5.4 A brief overview of experiments

Experiments involving a large number of isolated rings

Single ring experiments

Appendix A14.1 Average persistent current in the canonical ensemble

15 Formulary

15.1 Density of states and conductance

Density of states

Classical conductivity and conductance

15.2 Fourier transforms: definitions

15.3 Collisionless probability P0(r, r´, t)

15.4 Probability P(r, r´, t)

Free space

Infinite plane (d = 2) in a magnetic field, for…

One-dimensional ring and Aharonov–Bohm flux

15.5 Wigner–Eckart theorem and 3j-symbols

15.6 Miscellaneous

Pauli matrices

function

Digamma function…

Riemann zeta function…

Function En(z)

Useful relations

15.7 Poisson formula

15.8 Temperature dependences

15.9 Characteristic times introduced in this book

Single-particle times

Dephasing times

Phase coherence times

Relaxation of scatterers

Miscellaneous

References

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

Chapter 12

Chapter 13

Chapter 14

Chapter 15

Index

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