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Quantum field theory: Quantum field theory (QFT) is a mathematical theory in physics which modernizes quantum mechanics from its early-20th century formulation. In the areas of its domain (electromagnetic, weak nuclear, and strong nuclear forces), it is arguably the most precisely verified ... [100%] 2023-02-14 [Physics]
Quantum field theory: In theoretical physics, quantum field theory (QFT) is a theoretical framework that combines classical field theory, special relativity, and quantum mechanics. QFT is used in particle physics to construct physical models of subatomic particles and in condensed matter physics to ... (Theoretical framework) [100%] 2023-12-22 [Quantum field theory] [Quantum mechanics]...
Quantum field theory: The theory of relativistic quantum systems. The origins of quantum field theory are connected with problems of the interaction of matter with radiation and with attempts to construct a relativistic quantum mechanics (P.A.M. (Mathematics) [100%] 2023-10-19
Quantum field theory: In theoretical physics, quantum field theory (QFT) is a theoretical framework that combines classical field theory, special relativity, and quantum mechanics. QFT is used in particle physics to construct physical models of subatomic particles and in condensed matter physics to ... (Physics) [100%] 2023-11-27 [Quantum field theory] [Quantum mechanics]...
Quantum field theory in curved spacetime: In theoretical physics, quantum field theory in curved spacetime (QFTCS) is an extension of quantum field theory from Minkowski spacetime to a general curved spacetime. This theory treats spacetime as a fixed, classical background, while giving a quantum-mechanical description ... (Physics) [70%] 2023-05-23 [Quantum field theory] [Quantum gravity]...
Quantum Field Theory: Quantum Field Theory (QFT) is the mathematical and conceptual framework for contemporary elementary particle physics. It is also a framework used in other areas of theoretical physics, such as condensed matter physics and statistical mechanics. (Philosophy) [100%] 2021-12-24
Wightman quantum field theory: Wightman quantum field theory (also known as Axiomatic quantum field theory) refers to a branch of mathematical physics that studies relativistic quantum field theories satisfying Wightman's axioms. In a relativistic classical scalar field theory, one introduces a function \(\phi ... [86%] 2021-12-21 [Physics] [Mathematical Physics]...
Topological quantum field theory: In gauge theory and mathematical physics, a topological quantum field theory (or topological field theory or TQFT) is a quantum field theory which computes topological invariants. Although TQFTs were invented by physicists, they are also of mathematical interest, being related ... [86%] 2024-01-07 [Quantum field theory] [Topology]...
Thermal quantum field theory: In theoretical physics, thermal quantum field theory (thermal field theory for short) or finite temperature field theory is a set of methods to calculate expectation values of physical observables of a quantum field theory at finite temperature. In the Matsubara ... (Physics) [86%] 2023-09-03 [Quantum field theory] [Statistical mechanics]...
Local quantum field theory: The Haag–Kastler axiomatic framework for quantum field theory, introduced by Haag and Kastler (1964), is an application to local quantum physics of C*-algebra theory. Because of this it is also known as algebraic quantum field theory (AQFT). (Physics) [86%] 2023-09-03 [Quantum field theory]
Topological quantum field theory: In gauge theory and mathematical physics, a topological quantum field theory (or topological field theory or TQFT) is a quantum field theory which computes topological invariants. Although TQFTs were invented by physicists, they are also of mathematical interest, being related ... (Physics) [86%] 2023-11-15 [Quantum field theory] [Topology]...
Axiomatic quantum field theory: Axiomatic quantum field theory is a mathematical discipline which aims to describe quantum field theory in terms of rigorous axioms. It is strongly associated with functional analysis and operator algebras, but has also been studied in recent years from a ... [86%] 2024-01-01 [Quantum field theory] [Axiomatic quantum field theory]...
Lattice quantum field theory: Lattice field theory is an area of theoretical physics, specifically quantum field theory, which deals with field theories defined on a spatial or space-time lattice. The theoretical description of the fundamental constituents of matter and the interactions between them ... [86%] 2021-12-24 [Quantum and Statistical Field Theory] [Lattice quantum field theory]...
Constructive quantum field theory: A branch of mathematical physics studying the properties of models of quantum field theory. One of the problems of constructive quantum field theory consists in the investigation of interacting quantum fields in real four-dimensional space-time. (Mathematics) [86%] 2023-10-13
Constructive quantum field theory: In mathematical physics, constructive quantum field theory is the field devoted to showing that quantum field theory can be defined in terms of precise mathematical structures. This demonstration requires new mathematics, in a sense analogous to classical real analysis, putting ... (Formalization of quantum field theory) [86%] 2023-09-03 [Functional analysis]
Constructive quantum field theory: In mathematical physics, constructive quantum field theory is the field devoted to showing that quantum field theory can be defined in terms of precise mathematical structures. This demonstration requires new mathematics, in a sense analogous to classical real analysis, putting ... (Physics) [86%] 2022-09-17 [Quantum field theory] [Functional analysis]...
Noncommutative quantum field theory: In mathematical physics, noncommutative quantum field theory (or quantum field theory on noncommutative spacetime) is an application of noncommutative mathematics to the spacetime of quantum field theory that is an outgrowth of noncommutative geometry and index theory in which the ... (Physics) [86%] 2023-11-15 [Noncommutative geometry] [Quantum field theory]...
Thermal quantum field theory: In theoretical physics, thermal quantum field theory (thermal field theory for short) or finite temperature field theory is a set of methods to calculate expectation values of physical observables of a quantum field theory at finite temperature. In the Matsubara ... (Quantum field theory at non-zero temperatures) [86%] 2024-09-12 [Quantum field theory] [Statistical mechanics]...
Field theory of quantum chaos: for deadline see the agreement by Alexander Altland Prof. Fritz Haake, Physics, University of Duisburg-Essen, Germany, was invited on 28 April 2011. [77%] 2022-01-31 [Quantum Chaos]
Quantum field theory, axioms for: The mathematical axiom systems for quantum field theory (QFT) grew out of Hilbert's sixth problem , that of stating the problems of quantum theory in precise mathematical terms. There have been several competing mathematical systems of axioms, and below those ... (Mathematics) [77%] 2023-10-17
Form factor (quantum field theory): In elementary particle physics and mathematical physics, in particular in effective field theory, a form factor is a function that encapsulates the properties of a certain particle interaction without including all of the underlying physics, but instead, providing the momentum ... (Physics) [77%] 2023-09-28 [Quantum field theory]
Sum rules (quantum field theory): In quantum field theory, a sum rule is a relation between a static quantity and an integral over a dynamical quantity. Therefore, they have a form such as: \displaystyle{ \int A(x) dx = B }[/math] where \displaystyle{ A(x) }[/math ... (Physics) [77%] 2023-09-13 [Quantum field theory] [Quantum chromodynamics]...
Topology in Quantum Field Theory: The effects of Topology in Quantum Field Theory occur due to the nontrivial global structure of the configuration space of the field theory. This can be seen through either a conical approach to quantum field theory or the path integral ... [77%] 2021-12-21
Correlation function (quantum field theory): In quantum field theory, correlation functions, often referred to as correlators or Green's functions, are vacuum expectation values of time-ordered products of field operators. They are a key object of study in quantum field theory where they can ... (Physics) [77%] 2023-12-18 [Quantum field theory] [Covariance and correlation]...
History of quantum field theory: In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field in the late 1920s. Heisenberg was awarded the 1932 Nobel Prize in Physics "for the creation ... (Physics) [77%] 2022-11-02 [Quantum field theory] [History of physics]...
Partition function (quantum field theory): In quantum field theory, partition functions are generating functionals for correlation functions, making them key objects of study in the path integral formalism. They are the imaginary time versions of statistical mechanics partition functions, giving rise to a close connection ... (Physics) [77%] 2023-12-26 [Quantum field theory]
History of quantum field theory: In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field in the late 1920s. Major advances in the theory were made in the 1940s and 1950s ... (none) [77%] 2024-09-12 [Quantum field theory] [History of physics]...
Common integrals in quantum field theory: Common integrals in quantum field theory are all variations and generalizations of Gaussian integrals to the complex plane and to multiple dimensions. Other integrals can be approximated by versions of the Gaussian integral. (Physics) [70%] 2023-02-09 [Quantum field theory] [Mathematical physics]...
Quantum Field Theory in a Nutshell: Quantum Field Theory in a Nutshell is a textbook by Anthony Zee covering quantum field theory. The book has been adopted by many universities, including Harvard University, Princeton University, the University of California, Berkeley, the California Institute of Technology, Columbia ... (Physics) [70%] 2023-09-27 [Quantum field theory]
Quantum Field Theory in a Nutshell: Quantum Field Theory in a Nutshell is a textbook by Anthony Zee covering quantum field theory. The book has been adopted by many universities, including Harvard University, Princeton University, the University of California, Berkeley, the California Institute of Technology, Columbia ... (University textbook by Anthony Zee) [70%] 2024-02-06 [Physics textbooks] [Quantum field theory]...