Intro -- Preface -- Author biography -- David K Ferry -- Chapter 1 Introduction -- 1.1 Some general observations -- 1.1.1 Time scales -- 1.1.2 Velocity and mobility -- 1.1.3 Inter-valley scattering -- 1.2 Optically excited hot carriers -- 1.3 Hot carriers in devices -- 1.3.1 FET structures -- 1.3.2 The hot carrier solar cell -- 1.4 What is in this book -- References -- Chapter 2 High electric field transport -- 2.1 Velocity and mobility -- 2.1.1 Saturated velocity -- 2.1.2 Role of the phonons -- 2.1.3 Distribution functions -- 2.2 Transient transport -- 2.3 Inter-valley scattering -- 2.3.1 Symmetry breaking in equivalent valleys -- 2.3.2 Transfer between non-equivalent valleys -- 2.3.3 Inter-valley transfer in devices -- 2.4 Impact ionization and breakdown -- 2.4.1 The energy threshold -- 2.4.2 The ionizing collision -- 2.4.3 Ballistic versus diffusive ionization -- 2.5 Microwave studies -- 2.5.1 Probing with small microwave fields -- 2.5.2 High microwave fields -- 2.5.3 THz transistors -- 2.6 Ballistic devices -- 2.7 Real-space transfer -- References -- Chapter 3 Carrier heating at low temperature -- 3.1 Early work -- 3.2 Phase-breaking -- 3.2.1 Weak localization -- 3.2.2 Shubnikov-de Haas experiments -- 3.3 Energy relaxation time -- 3.4 Effects in lower dimensions -- 3.4.1 Quantum dots -- 3.4.2 Quantum wires -- 3.5 Some different systems -- 3.5.1 GaP -- 3.5.2 HgTe topological insulator -- 3.5.3 Group III-nitrides -- 3.5.4 Graphene -- 3.6 Magnetophonon resonance -- References -- Chapter 4 Optical carrier heating -- 4.1 Oscillatory photoconductivity -- 4.2 Free-carrier optics -- 4.2.1 Terahertz studies -- 4.2.2 Hot carriers and the quantum Hall effect -- 4.2.3 Landau level emission -- 4.2.4 Inter-sub-band emission -- 4.3 Optical absorption -- 4.4 Ultrafast excitation studies -- 4.4.1 Hot carrier luminescence.

4.4.2 Measuring the electron distribution -- 4.4.3 Overshoot velocity -- 4.5 Real-space transfer -- References -- Chapter 5 Nonequilibrium phonons -- 5.1 The nature of the problem -- 5.1.1 The phonon spectrum -- 5.1.2 Layered compounds -- 5.1.3 Alloys -- 5.2 Acoustic spectroscopy -- 5.3 Measuring the nonequilibrium phonons -- 5.3.1 Raman scattering -- 5.3.2 Ultrafast experiments -- 5.3.3 Ultrafast diffraction -- 5.4 Rise and fall of the phonons -- 5.4.1 The phonon cascade -- 5.4.2 Phonon bottleneck -- 5.4.3 Anharmonic decay -- 5.4.4 Piezoelectric decay -- 5.4.5 Phonon lifetime -- 5.4.6 Nature of the nonequilibrium population -- 5.5 Measuring the lifetime -- 5.5.1 Zinc-blende materials -- 5.5.2 Wurtzite material -- 5.5.3 Layered compounds -- 5.5.4 Scaling the optical phonon lifetime -- References -- Chapter 6 Seeking the distribution function -- 6.1 The relaxation time approximation -- 6.2 Expanding in Legendre polynomials -- 6.2.1 Legendre differential equations -- 6.2.2 Extension to optical modes -- 6.3 The drifted Maxwellian distribution -- 6.3.1 The generic equation -- 6.3.2 The balance equations -- 6.3.3 Polar optical scattering -- 6.4 The energy diffusion equations -- 6.4.1 Equations in energy space -- 6.4.2 The coefficients -- 6.4.3 Non-trivial solutions -- 6.5 Low-dimensional systems -- 6.5.1 The energy dissipation equation -- 6.5.2 Scattering exponents -- 6.5.3 Graphene -- 6.6 Plasmon interactions -- 6.6.1 Low-dimensional material -- 6.6.2 Graphene -- Appendix A. The Lindhard function -- References -- Chapter 7 The ensemble Monte Carlo method -- 7.1 The path integral -- 7.2 The Monte Carlo process -- 7.2.1 Free flight generation -- 7.2.2 Scattering -- 7.2.3 Time synchronization -- 7.2.4 Rejection technique and state filling -- 7.3 Building a code -- 7.3.1 The blocks -- 7.3.2 Examples -- 7.4 Molecular dynamics and Poisson.

7.4.1 A homogeneous semiconductor -- 7.4.2 Solutions with Poisson's equation -- 7.5 Real-space transfer -- 7.6 Full band Monte Carlo -- 7.7 Monte Carlo in device simulation -- References -- Chapter 8 Quantum transport -- 8.1 Modes and the Landauer formula -- 8.2 Transport with the Schrödinger equation -- 8.2.1 The scattering matrix -- 8.2.2 Self-energy -- 8.2.3 The MOSFET -- 8.3 The density matrix -- 8.3.1 The Liouville and Bloch equations -- 8.3.2 The quantum kinetic equation -- 8.3.3 The Barker-Ferry equation -- 8.4 Nonequilibrium Green's functions -- 8.4.1 Equilibrium Green's functions -- 8.4.2 The interaction representation and impurity scattering -- 8.4.3 Conductivity and the Bethe-Salpeter equation -- 8.4.4 NEGF -- 8.4.5 NEGF in hot carrier devices -- 8.5 Wigner functions -- 8.5.1 Simulations with the Wigner function -- 8.5.2 Wigner Monte Carlo -- 8.5.3 Scattering in Wigner functions -- 8.5.4 Wigner function in devices -- 8.6 Some final comments -- References.