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Tag Archive for: Feynman diagrams

What are virtual particles

Virtual Particles Explained: On-Shell vs Off-Shell in QFT

February 18, 2019
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1 Comment
What Is a Virtual Particle? A virtual particle is a mathematical device, not a physical entity, that appears in perturbation expansions of the S-operator…
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Learn Interacting Quantum Fields in Mathematical Quantum Field Theory

January 29, 2018
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9 Comments
This is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 14. Free quantum fields.The next chapter is 16. Renormalization. 15.…
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virtualparticlesmyths

Top Misconceptions about Virtual Particles

April 6, 2016
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1 Comment
Introduction This Insight Article is a sequel to the Insight Article ''The Physics of Virtual Particles'', which contains an exposition of definitions…
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virtualparticles

Learn the Physics of Virtual Particles in Quantum Mechanics

March 28, 2016
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33 Comments
In discussions on the internet (including a number of Wikipedia pages) and in books and articles for non-experts in particle physics, there is considerable…
https://www.physicsforums.com/insights/wp-content/uploads/2016/03/virtualparticles.png 135 240 Arnold Neumaier https://www.physicsforums.com/insights/wp-content/uploads/2019/02/Physics_Forums_Insights_logo.png Arnold Neumaier2016-03-28 12:17:142026-02-16 20:56:15Learn the Physics of Virtual Particles in Quantum Mechanics

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