Preface |
Canonical quantization and particle production / Part I: |
Overview: a taste of quantum fields / 1: |
Classical field / 1.1: |
Quantum field and its vacuum state / 1.2: |
The vacuum energy / 1.3: |
Quantum vacuum fluctuations / 1.4: |
Particle interpretation of quantum fields / 1.5: |
Quantum field theory in classical backgrounds / 1.6: |
Examples of particle creation / 1.7: |
Reminder: classical and quantum theory / 2: |
Lagrangian formalism / 2.1: |
Functional derivatives / 2.1.1: |
Hamiltonian formalism / 2.2: |
Quantization of Hamiltonian systems / 2.3: |
Hilbert spaces and Dirac notation / 2.4: |
Operators, eigenvalue problem and basis in a Hilbert space / 2.5: |
Generalized eigenvectors and basic matrix elements / 2.6: |
Evolution in quantum theory / 2.7: |
Driven harmonic oscillator / 3: |
Quantizing an oscillator / 3.1: |
The "in" and "out" states / 3.2: |
Matrix elements and Green's functions / 3.3: |
From harmonic oscillators to fields / 4: |
Quantum harmonic oscillators / 4.1: |
From oscillators to fields / 4.2: |
Quantizing fields in a flat spacetime / 4.3: |
The mode expansion / 4.4: |
Vacuum energy and vacuum fluctuations / 4.5: |
The Schrodinger equation for a quantum field / 4.6: |
Reminder: classical fields / 5: |
The action functional / 5.1: |
Real scalar field and its coupling to the gravity / 5.2: |
Gauge invariance and coupling to the electromagnetic field / 5.3: |
Action for the gravitational and gauge fields / 5.4: |
Energy-momentum tensor / 5.5: |
Quantum fields in expanding universe / 6: |
Classical scalar field in expanding background / 6.1: |
Mode expansion / 6.1.1: |
Quantization / 6.2: |
Bogolyubov transformations / 6.3: |
Hilbert space; "a- and b-particles" / 6.4: |
Choice of the physical vacuum / 6.5: |
The instantaneous lowest-energy state / 6.5.1: |
Ambiguity of the vacuum state / 6.5.2: |
Amplitude of quantum fluctuations / 6.6: |
Comparing fluctuations in the vacuum and excited states / 6.6.1: |
An example of particle production / 6.7: |
Quantum fields in the de Sitter universe / 7: |
De Sitter universe / 7.1: |
Bunch-Davies vacuum / 7.2: |
Fluctuations in inflationary universe / 7.3: |
Unruh effect / 8: |
Accelerated motion / 8.1: |
Comoving frame of accelerated observer / 8.2: |
Quantum fields in inertial and accelerated frames / 8.3: |
Occupation numbers and Unruh temperature / 8.4: |
Hawking effect. Thermodynamics of black holes / 9: |
Hawking radiation / 9.1: |
Schwarzschild solution / 9.1.1: |
Kruskal-Szekeres coordinates / 9.1.2: |
Field quantization and Hawking radiation / 9.1.3: |
Hawking effect in 3 + 1 dimensions / 9.1.4: |
Thermodynamics of black holes / 9.2: |
Laws of black hole thermodynamics / 9.2.1: |
The Casimir effect / 10: |
Vacuum energy between plates / 10.1: |
Regularization and renormalization / 10.2: |
Path integrals and vacuum polarization / Part II: |
Path integrals / 11: |
Evolution operator. Propagator / 11.1: |
Propagator as a path integral / 11.2: |
Lagrangian path integrals / 11.3: |
Propagators for free particle and harmonic oscillator / 11.4: |
Free particle / 11.4.1: |
Quadratic potential / 11.4.2: |
Euclidean path integral / 11.4.3: |
Ground state as a path integral / 11.4.4: |
Effective action / 12: |
Driven harmonic oscillator (continuation) / 12.1: |
Green's functions and matrix elements / 12.1.1: |
Euclidean Green's function / 12.1.2: |
Introducing effective action / 12.1.3: |
Calculating effective action for a driven oscillator / 12.1.4: |
Matrix elements / 12.1.5: |
The effective action "recipe" / 12.1.6: |
Backreaction / 12.1.7: |
Effective action in external gravitational field / 12.2: |
Euclidean action for scalar field / 12.2.1: |
Effective action as a functional determinant / 12.3: |
Reformulation of the eigenvalue problem / 12.3.1: |
Zeta function / 12.3.2: |
Heat kernel / 12.3.3: |
Calculation of heat kernel / 13: |
Perturbative expansion for the heat kernel / 13.1: |
Trace of the heat kernel / 13.1.1: |
The Seeley-DeWitt expansion / 13.3: |
Results from effective action / 14: |
Renormalization of the effective action / 14.1: |
Finite terms in the effective action / 14.2: |
EMT from the Polyakov action / 14.2.1: |
Conformal anomaly / 14.3: |
Mathematical supplement / Appendix 1: |
Functionals and distributions (generalized functions) / A1.1: |
Green's functions, boundary conditions, and contours / A1.2: |
Euler's gamma function and analytic continuations / A1.3: |
Backreaction derived from effective action / Appendix 2: |
Mode expansions cheat sheet / Appendix 3: |
Solutions to exercises / Appendix 4: |
Index |
Preface |
Canonical quantization and particle production / Part I: |
Overview: a taste of quantum fields / 1: |
Classical field / 1.1: |
Quantum field and its vacuum state / 1.2: |
The vacuum energy / 1.3: |