Quantum Field Theory Modern Physics Particle Physics Quantum Mechanics What is the role of virtual particles in quantum field theory? Physics FAQ 14 December, 2023 Quantum field theory (QFT) is a theoretical framework in...Read More
Quantum Field Theory Modern Physics Quantum Mechanics What is the Casimir effect, and how does it relate to quantum field theory? Physics FAQ 6 November, 2023 The Casimir Effect, named after the Dutch physicist Hendrik...Read More
Classical Physics Mechanics Quantum Field Theory Quantum Mechanics What is the principle of least action, and how does it relate to the laws of motion? Physics FAQ 2 October, 2023 The principle of least action, or the action principle,...Read More