query: Doubts in an introduction to classical field theory
positive_passages.docid: 27016
positive_passages.text: Is the Lagrangian density a functional or a function?
negative_passages.docid: 20201
negative_passages.text: Need for a side book for E. Soper's Classical Theory Of Fields
negative_passages.docid: 123497
negative_passages.text: Quantum Field Theory without LSZ, how is it possible?
negative_passages.docid: 35650
negative_passages.text: Number theory in Physics
negative_passages.docid: 44239
negative_passages.text: Why the extra term $\frac{1}{2}(\partial_{\rho}A^{\rho})^2$ in the photon Lagrangian?
negative_passages.docid: 67641
negative_passages.text: Why should field operators satisfy the classical equations of motion?
negative_passages.docid: 150283
negative_passages.text: Prerequisites and introduction to string theory
negative_passages.docid: 120125
negative_passages.text: Erratum in Griffith's Introduction to Electrodynamics
negative_passages.docid: 82746
negative_passages.text: Confusion regarding the direction of an electric field
negative_passages.docid: 155208
negative_passages.text: Why aren't Christoffel symbols tensors? - asked from a fibre bundle perspective
negative_passages.docid: 49348
negative_passages.text: S. Weinberg, “The Quantum theory of fields: Foundations” (1995), Eq. (9.2.15)
negative_passages.docid: 120474
negative_passages.text: Does the lagrangian contain all the information about the representations of the fields in QFT?
negative_passages.docid: 57051
negative_passages.text: Why does Quantum Field Theory use Lagrangians rather than Hamiltonians?
negative_passages.docid: 21917
negative_passages.text: Mathematical Prerequisites for QFT
negative_passages.docid: 60289
negative_passages.text: How does QFT interpret the Negative probability problem of the real scalar fields' Klein-Gordon equation?
negative_passages.docid: 156636
negative_passages.text: The Existence of the $^1D$ term and the non-existence of the $^3D$ term?
negative_passages.docid: 136779
negative_passages.text: Does an classical charge that is stationary in a gravitational field radiate?