Description
Efnisyfirlit
- Cover
- Foreword
- Chapter XV: Creation and annihilation operators for identical particles
- A. General formalism
- B. One-particle symmetric operators
- C. Two-particle operators
- COMPLEMENTS OF CHAPTER XV, READER’S GUIDE
- Complement AXV Particles and holes
- 1. Ground state of a non-interacting fermion gas
- 2. New definition for the creation and annihilation operators
- 3. Vacuum excitations
- Complement BXV Ideal gas in thermal equilibrium; quantum distribution functions
- 1. Grand canonical description of a system without interactions
- 2. Average values of symmetric one-particle operators
- 3. Two-particle operators
- 4. Total number of particles
- 5. Equation of state, pressure
- Complement CXV Condensed boson system, Gross-Pitaevskii equation
- 1. Notation, variational ket
- 2. First approach
- 3. Generalization, Dirac notation
- 4. Physical discussion
- Complement DXV Time-dependent Gross-Pitaevskii equation
- 1. Time evolution
- 2. Hydrodynamic analogy
- 3. Metastable currents, superfluidity
- Complement EXV Fermion system, Hartree-Fock approximation
- 1. Foundation of the method
- 2. Generalization: operator method
- Complement FXV Fermions, time-dependent Hartree-Fock approximation
- 1. Variational ket and notation
- 2. Variational method
- 3. Computing the optimizer
- 4. Equations of motion
- Complement GXV Fermions or Bosons: Mean field thermal equilibrium
- 1. Variational principle
- 2. Approximation for the equilibrium density operator
- 3. Temperature dependent mean field equations
- Complement HXV Applications of the mean field method for non-zero temperature (fermions and bosons)
- 1. Hartree-Fock for non-zero temperature, a brief review
- 2. Homogeneous system
- 3. Spontaneous magnetism of repulsive fermions
- 4. Bosons: equation of state, attractive instability
- Chapter: XVI Field operator
- A. Definition of the field operator
- B. Symmetric operators
- C. Time evolution of the field operator (Heisenberg picture)
- D. Relation to field quantization
- COMPLEMENTS OF CHAPTER XVI, READER’S GUIDE
- Complement AXVI Spatial correlations in an ideal gas of bosons or fermions
- 1. System in a Fock state
- 2. Fermions in the ground state
- 3. Bosons in a Fock state
- Complement BXVI Spatio-temporal correlation functions, Green’s functions
- 1. Green’s functions in ordinary space
- 2. Fourier transforms
- 3. Spectral function, sum rule
- Complement CXVI Wick’s theorem
- 1. Demonstration of the theorem
- 2. Applications: correlation functions for an ideal gas
- Chapter: XVII Paired states particles of identical
- A. Creation and annihilation operators of a pair of particles
- B. Building paired states
- C. Properties of the kets characterizing the paired states
- D. Correlations between particles, pair wave function
- E. Paired states as a quasi-particle vacuum; Bogolubov-Valatin transformations
- COMPLEMENTS OF CHAPTER XVII, READER’S GUIDE
- Complement AXVII Pair field operator for identical particles
- 1. Pair creation and annihilation operators
- 2. Average values in a paired state
- 3. Commutation relations of field operators
- Complement BXVII Average energy in a paired state
- 1. Using states that are not eigenstates of the total particle number
- 2. Hamiltonian
- 3. Spin 1/2 fermions in a singlet state
- 4. Spinless bosons
- Complement CXVII Fermion pairing, BCS theory
- 1. Optimization of the energy
- 2. Distribution functions, correlations
- 3. Physical discussion
- 4. Excited states
- Complement DXVII Cooper pairs
- 1. Cooper model
- 2. State vector and Hamiltonian
- 3. Solution of the eigenvalue equation
- 4. Calculation of the binding energy for a simple case
- Complement EXVII Condensed repulsive bosons
- 1. Variational state, energy
- 2. Optimization
- 3. Properties of the ground state
- 4. Bogolubov operator method
- Chapter: XVIII REVIEW OF CLASSICAL ELECTRODYNAMICS
- A. Classical electrodynamics
- B. Describing the transverse field as an ensemble of harmonic oscillators
- COMPLEMENTS OF CHAPTER XVIII, READER’S GUIDE
- Complement AXVIII Lagrangian formulation of electrodynamics
- 1. Lagrangian with several types of variables
- 2. Application to the free radiation field
- 3. Lagrangian of the global system field + interacting particles
- Chapter: XIX QUANTIZATION OF ELECTROMAGNETIC RADIATION
- A. Quantization of the radiation in the Coulomb gauge
- B. Photons, elementary excitations of the free quantum field
- C. Description of the interactions
- COMPLEMENTS OF CHAPTER XIX, READER’S GUIDE
- Complement AXIX Momentum exchange between atoms and photons
- 1. Recoil of a free atom absorbing or emitting a photon
- 2. Applications of the radiation pressure force: slowing and cooling atoms
- 3. Blocking recoil through spatial confinement
- 4. Recoil suppression in certain multi-photon processes
- Complement BXIX Angular momentum of radiation
- 1. Quantum average value of angular momentum for a spin 1 particle
- 2. Angular momentum of free classical radiation as a function of normal variables2047
- 3. Discussion
- Complement CXIX Angular momentum exchange between atoms and photons
- 1. Transferring spin angular momentum to internal atomic variables
- 2. Optical methods
- 3. Transferring orbital angular momentum to external atomic variables
- Chapter: XX ABSORPTION, EMISSION AND SCATTERING OF PHOTONS BY ATOMS
- A. A basic tool: the evolution operator
- B. Photon absorption between two discrete atomic levels
- C. Stimulated and spontaneous emissions
- D. Role of correlation functions in one-photon processes
- E. Photon scattering by an atom
- COMPLEMENTS OF CHAPTER XX, READER’S GUIDE
- Complement AXX A multiphoton process: two-photon absorption
- 1. Monochromatic radiation
- 2. Non-monochromatic radiation
- 3. Discussion
- Complement BXX Photoionization
- 1. Brief review of the photoelectric effect
- 2. Computation of photoionization rates
- 3. Is a quantum treatment of radiation necessary to describe photoionization? .
- 4. Two-photon photoionization
- 5. Tunnel ionization by intense laser fields
- Complement CXX Two-level atom in a monochromatic field. Dressed-atom method
- 1. Brief description of the dressed-atom method
- 2. Weak coupling domain
- 3. Strong coupling domain
- 4. Modifications of the field. Dispersion and absorption
- Complement DXX Light shifts: a tool for manipulating atoms and fields
- 1. Dipole forces and laser trapping
- 2. Mirrors for atoms
- 3. Optical lattices
- 4. Sub-Doppler cooling. Sisyphus effect
- 5. Non-destructive detection of a photon
- Complement EXX Detection of one- or two-photon wave packets, interference
- 1. One-photon wave packet, photodetection probability
- 2. One- or two-photon interference signals
- 3. Absorption amplitude of a photon by an atom
- 4. Scattering of a wave packet
- 5. Example of wave packets with two entangled photons
- Chapter: XXI QUANTUM ENTANGLEMENT, MEASUREMENTS, BELL’S INEQUALITIES
- A. Introducing entanglement, goals of this chapter
- B. Entangled states of two spin-1/2 systems
- C. Entanglement between more general systems
- D. Ideal measurement and entangled states
- E. “Which path” experiment: can one determine the path followed by the photon in Young’s double slit experiment?
- F. Entanglement, non-locality, Bell’s theorem
- COMPLEMENTS OF CHAPTER XXI, READER’S GUIDE
- Complement AXXI Density operator and correlations; separability
- 1. Von Neumann statistical entropy
- 2. Differences between classical and quantum correlations
- 3. Separability
- Complement BXXI GHZ states, entanglement swapping
- 1. Sign contradiction in a GHZ state
- 2. Entanglement swapping
- Complement CXXI Measurement induced relative phase between two condensates
- 1. Probabilities of single, double, etc. position measurements
- 2. Measurement induced enhancement of entanglement
- 3. Detection of a large number Q of particles
- Complement DXXI Emergence of a relative phase with spin condensates; macroscopic non-locality and the EPR argument
- 1. Two condensates with spins
- 2. Probabilities of the different measurement results
- 3. Discussion
- Appendix IV: Feynman path integral
- 1. Quantum propagator of a particle
- 2. Interpretation in terms of classical histories
- 3. Discussion; a new quantization rule
- 4. Operators
- Appendix V: Lagrange multipliers
- 1. Function of two variables
- 2. Function of AT variables
- Appendix VI: Brief review of Quantum Statistical Mechanics
- 1. Statistical ensembles
- 2. Intensive or extensive physical quantities
- Appendix VII: Wigner transform
- 1. Delta function of an operator
- 2. Wigner distribution of the density operator (spinless particle)
- 3. Wigner transform of an operator
- 4. Generalizations
- 5. Discussion: Wigner distribution and quantum effects
- Bibliography of volume III
- Index
- End User License Agreement
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