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Quantum field theory emerged from the work of generations of theoretical physicists spanning much of the 20th century. Its development began in the 1920s with the description of interactions between light and electrons, culminating in the first quantum field theory—quantum electrodynamics.
- Lagrangian
Lagrangian field theory is a formalism in classical field...
- Classical Field Theory
A classical field theory is a physical theory that predicts...
- History
In particle physics, the history of quantum field theory...
- List of quantum field theories
This is a list of quantum field theories. The first few...
- Lagrangian
Jun 22, 2006 · 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.
quantum field theory, body of physical principles combining the elements of quantum mechanics with those of relativity to explain the behaviour of subatomic particles and their interactions via a variety of force fields.
- The Editors of Encyclopaedia Britannica
Jun 22, 2006 · Quantum Field Theory (QFT) is the mathematical and conceptual framework for contemporary elementary particle physics. Since the very beginning of western philosophy reflections about the material world which go beyond the directly observable play a central role in philosophy.
This is the rst in a three volume series by one of the masters of quantum eld theory. It takes a unique route to through the subject, focussing initially on particles rather than elds.
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