What is quantum field theory? - New Scientist
Quantum field theory is a quantum-based theory that explains how the forces of nature work by describing particles as excitations in underlying fields. Learn about the standard model of …
What is the difference between Quantum Physics, Quantum …
Quantum field theory (QFT) is a theoretical framework for constructing quantum mechanical models of subatomic particles in particle physics and quasiparticles in condensed matter …
What are Quantum Field Theories? - Physics Stack Exchange
2023年8月17日 · A field theory is a mathematical model where the "basic ingredients" are fields. Maxwell's theory of electromagnetic fields and continuum mechanics are prominent examples …
quantum field theory - Mathematically rigorous QFT text - Physics …
2021年10月23日 · A modern approach to quantum field theory, which axiomatizes the assignment of algebras of observables, is "Algebraic Quantum Field Theory", based on the "Haag-Kastler …
quantum field theory - Worldline formalism and QCD - Physics …
2023年2月24日 · Alright so I think that yes one may be able to consider the Feynman formalism and worldline QFT as equivalent just due to the fact that any Feynman diagram can be …
Ether vs. Quantum Field Theory - Physics Stack Exchange
2017年1月30日 · In quantum field theory an electron traversing space time is described by a quantum mechanical wave packet (which means that what "waves" is the probability of …
What is a complete book for introductory quantum field theory?
Peskin and Schroeder's An Introduction To Quantum Field Theory ; There is a list by Luboš Motl here; Mark Srendnick's Quantum Field Theory; Folland's Quantum field theory; These are …
quantum field theory - Are standard QFT and general relativity ...
2020年4月14日 · So, the usual textbook formulation even of quantum field theory is as a mechanics that just happens to have an infinite number of variables: the value of the fields at …
quantum field theory - Online QFT video lectures - Physics Stack …
Abstract: The lectures are intended to provide an introduction to Quantum Field Theory at an elementary level. In particular, the following topics will be treated: 1, Basic principle of QFT; 2, …
What does a Field Theory mean? - Physics Stack Exchange
Quantum field theory takes this one step further, instead of quantizing systems with a finite amount of degrees of freedom, it tackles systems with an infinite amount, in other words fields. …