An Introduction to Quantum Field Theory

Peskin, M. E., & Schroeder, D. V. (1995). An Introduction to Quantum Field Theory. Addison-Wesley.

Type

Book chapter

Intellectual base

Textbook

Year

1995

Link

https://www.routledge.com/An-Introduction-To-Quantum-Field-Theory/Peskin-Schroeder/p/book/9780201503975

Cited from

mathematics, physics

Cited by

6 citations across 6 artifacts.

Each citation links to the sentence it supports in the citing article.

Primes

• Empty Set
  • In physics it is the vacuum state — the lowest-energy state with definite quantum content, not an error.

    This sourceDefines the vacuum state as the lowest-energy state with definite quantum content — a constructed state, not an error or absence.

• Gauge Invariance / Gauge Symmetry
  • Every observable consequence of electromagnetism (charge conservation via Ward-Takahashi identities, photon-electron vertex, Coulomb potential, the running coupling constant, anomaly-free matter content) is dictated by this local gauge structure.

    This sourceStandard graduate QFT text; chapters on the gauge principle, covariant derivative, field-strength tensor, Wilson loops, and Yang-Mills theory.

Domain-specific

• D’Alembert Operator
  • Klein–Gordon field. \((\Box+m^2c^2/\hbar^2)\phi=0\), subject to signature convention, adds a mass scale.
• Feynman slash notation
  • For example, the distinction between constitutive identity and a convenient observable transfers from Slash-p denotes gamma^mu p_mu in the momentum-space Dirac equation. to A derivation declares whether derivatives, gauge fields and sign conventions are included and does not treat the slash as ordinary division..
• Pauli–Villars regularization
  • … integral, auxiliary fields or propagators, masses and coefficients, cancellation conditions, preserved and broken symmetries, renormalization condition and regulator-removal limit are explicit. to An applied instance preserves the same invariant under changed notation, scale, jurisdiction, dataset, or implementation..
• Ultraviolet divergence
  • An ultraviolet divergence is nonconvergence caused by arbitrarily large momenta or energies, equivalently by contributions from arbitrarily short distances.

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• https://archive.org/details/introductiontoqu0000pesk ×1

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