汤姆·兰卡斯特(Tom Lancaster),曾是牛津大学物理学研究员,2012 年加入杜伦大学,目前是物理系和材料物理中心的教授。他曾担任国际μ子光谱学会主席,与斯蒂芬·布伦德尔(Stephen J. Blundell)等人合著有Muon Spectroscopy: An Introduction一书。
斯蒂芬·布伦德尔(Stephen J. Blundell),牛津大学物理系教授,并曾担任凝聚态物理的主任,他还是牛津大学曼斯菲尔德学院董事。他另著有Concepts in Thermal Physics,Magnetism in Condensed Matter,Superconductivity: A Very Short Introduction,Magnetism: A Very Short Introduction等书。
【目录】
Overture
The Universe as a set of harmonic oscillators
Lagrangians
Simple harmonic oscillators
Occupation number representation
Making second quantization work
Writing down Lagrangians
Continuous systems
A first stab at relativistic quantum mechanics
Examples of Lagrangians, or how to write down a theory
III. The need for quantum fields
The passage of time
Quantum mechanical transformations
Symmetry
Canonical quantization of fields
Examples of canonical quantization
Fields with many components and massive electromagnetism
Gauge fields and gauge theory
Discrete transformations
Propagators and perturbations
Ways of doing quantum mechanics: propagators and Green’s functions
Propagators and Fields
The S-matrix
Expanding the S-matrix: Feynman diagrams
Scattering theory
Interlude: wisdom from statistical physics
Statistical physics: a crash course
The generating functional for fields
Path Integrals
Path Integrals: I said to him, “You’re crazy”
Field Integrals
Statistical field theory
Broken symmetry
Coherent states
Grassmann numbers: coherent states and the path integral for fermions
VII. Topological ideas
Topological objects
Topological field theory
VIII. Renormalization: taming the infinite
Renormalization, quasiparticles and the Fermi surface
Renormalization: the problem and its solution
Renormalization in action: propagators and Feynman diagrams
The renormalization group
Ferromagnetism: a renormalization group tutorial
Putting a spin on QFT
The Dirac equation
How to transform a spinor
The quantum Dirac field
A rough guide to quantum electrodynamics
QED scattering: three famous cross sections
The renormalization of QED and two great results
Some applications from the world of condensed matter
Superfluids
The many-body problem and the metal
Superconductors
The fractional quantum Hall fluid
Some applications from the world of particle physics
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