physics, quantum field theory (QFT) is a theoretical framework that combines field theory and the principle of relativity with ideas behind quantum mechanics...

In gauge theory and mathematical physics, a topological quantum field theory (or topological field theory or TQFT) is a quantum field theory that computes...

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...

Algebraic quantum field theory (AQFT) is an application to local quantum physics of C*-algebra theory. Also referred to as the Haag–Kastler axiomatic...

In theoretical physics, quantum field theory in curved spacetime (QFTCS) is an extension of quantum field theory from Minkowski spacetime to a general...

In mathematical physics, noncommutative quantum field theory (or quantum field theory on noncommutative spacetime) is an application of noncommutative...

Axiomatic quantum field theory is a mathematical discipline which aims to describe quantum field theory in terms of rigorous axioms. It is strongly associated...

In theoretical physics, thermal quantum field theory (thermal field theory for short) or finite temperature field theory is a set of methods to calculate...

forces of nature are described within the framework of quantum mechanics and quantum field theory: the electromagnetic interaction, the strong force, and...

called fields. According to quantum field theory, particles are themselves the quanta of fields. Different fields in physics include vector fields such...

quantum field theories. The first few sections are organized according to their matter content, that is, the types of fields appearing in the theory....

mathematical physics, constructive quantum field theory is the field devoted to showing that quantum field theory can be defined in terms of precise mathematical...

of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science. Quantum mechanics...

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...

physics, scalar field theory can refer to a relativistically invariant classical or quantum theory of scalar fields. A scalar field is invariant under...

In quantum field theory, correlation functions, often referred to as correlators or Green's functions, are vacuum expectation values of time-ordered products...

In quantum field theory, partition functions are generating functionals for correlation functions, making them key objects of study in the path integral...

application in the quantum field theory of the weak force, and its unification with electromagnetism in the electroweak theory. Gauge theories became even more...

Loop quantum gravity (LQG) is a theory of quantum gravity that incorporates matter of the Standard Model into the framework established for the intrinsic...

In quantum field theory, the quantum vacuum state (also called the quantum vacuum or vacuum state) is the quantum state with the lowest possible energy...

effective field theory is a type of approximation, or effective theory, for an underlying physical theory, such as a quantum field theory or a statistical...

relativistic quantum theory work led him to explore quantum theories of radiation, culminating in quantum electrodynamics, the first quantum field theory. The...

physics Yang–Mills theory and the mass gap. Quantum particles described by the theory have mass but the classical waves of the field travel at the speed...

the new quantum theory to electromagnetism resulted in quantum field theory, which was developed starting around 1930. Quantum field theory has driven...

A conformal field theory (CFT) is a quantum field theory that is invariant under conformal transformations. In two dimensions, there is an infinite-dimensional...

function Quantum field theory Standard model Quantum mechanics Special relativity Charge radius Brown, Lowell S. (1994). Quantum Field Theory. Cambridge...

single-rank 2-tensor field. In the modern framework of the quantum field theory, even without referring to a test particle, a field occupies space, contains...

In physics, lattice field theory is the study of lattice models of quantum field theory. This involves studying field theory on a space or spacetime that...

classical field theory alongside Lagrangian field theory. It also has applications in quantum field theory. The Hamiltonian for a system of discrete particles...

string theory to another type of physical theory called a quantum field theory. One of the challenges of string theory is that the full theory does not...