Tag Archive for: Quantum Field Theory
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Modern Physics Understood as an Unrecognized Kuhnian Revolution
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People often claim on Physics Forums and in the foundations community proper that quantum mechanics is "incomplete." Indeed, Lee Smolin recently wrote…
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Learn Renormalization in Mathematical Quantum Field Theory
This is one chapter in a series on Mathematical Quantum Field TheoryThe previous chapter is: 15. Interacting quantum fields.
16. Renormalization
In…
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Learn Interacting Quantum Fields in Mathematical Quantum Field Theory
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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Learn Free Quantum Fields in Mathematical Quantum Field Theory
This is one chapter in a series on Mathematical Quantum Field TheoryThe previous chapter is 13. Quantization.The next chapter is 15. Interacting…
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Learn Quantization in Mathematical Quantum Field Theory
The following is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 12. Gauge fixing.The next chapter is 14.…
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Learn Gauge Fixing in Mathematical Quantum Field Theory
The following is one chapter in a series of Mathematical Quantum Field Theory.The previous chapter is 11. Reduced phase space.The next chapter…
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Learn Reduced Phase Space in Mathematical Quantum Field Theory
The following is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 10. Gauge symmetries.The next chapter is…
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Interview with Mathematician and Physicist Arnold Neumaier
Please give us a brief background on yourself
Over 40 years ago, I studied mathematics, physics and computer science in Freiburg and Berlin (Germany).…
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Learn Gauge Symmetries in Mathematical Quantum Field Theory
This is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 9. Propagators.The next chapter is 11. Reduced phase…
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Learn Propagators in Mathematical Quantum Field Theory
This is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 8. Phase space.The next chapter is 10. Gauge symmetries.
9.…
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Learn Phase Space in Mathematical Quantum Field Theory
The following is one chapter of a series on Mathematical Quantum Field Theory.The previous chapter is 7. Observables.The next chapter is 9. Propagators.
8.…
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Learn Observables in Mathematical Quantum Field Theory
The following is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 6. Symmetries.The next chapter is 8. Phase…
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Learn Symmetries in Mathematical Quantum Field Theory
The following is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 5. Lagrangians.The next chapter is 7. Observables.
6.…
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Learn Lagrangians in Mathematical Quantum Field Theory
This is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 4. Field Variations.The next chapter is 6. Symmetries.
5.…
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Learn Field Variations in Mathematical Quantum Field Theory
This is chapter 4 of a series on Mathematical Quantum Field Theory.The previous chapter is 3. Fields.The next chapter is 5. Lagrangians.
4.…
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Learn the Fields of Mathematical Quantum Field Theory
The following is one chapter in a series on Mathematical Quantum Field TheoryThe previous chapter is 2. Spacetime.The next chapter is 4. Field…
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Learn Spacetime in Mathematical Quantum Field Theory
The following is one chapter in a series on Mathematical Quantum Field Theory.The previous chapter is 1. Geometry.The next chapter is 3. Fields
2.…
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Learn the Geometry of Mathematical Quantum Field Theory
This is the first chapter in a series on Mathematical Quantum Field Theory.The next chapter is 2. Spacetime.
1. Geometry
The geometry of physics…
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A First Idea of Quantum Field Theory – 20 Part Series
These notes mean to give an expository but rigorous introduction to the basic concepts of relativistic perturbative quantum field theories, specifically…
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Introduction to Perturbative Quantum Field Theory
This is the beginning of a series that gives an introduction to perturbative quantum field theory (pQFT) on Lorentzian spacetime backgrounds in its…
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Lesson on Entanglement Entropy in Quantum Field Theory
Part 1: Quantum Mechanics[This article expects the reader to have some experience with quantum field theory and path integrals][I should also…
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Learn About Vacuum Fluctuations in Experimental Practice
This Insight Article is a sequel of the Insight Articles ”The Physics of Virtual Particles”, “Misconceptions about Virtual Particles“ , and ''The…
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Learn About Quantum Amplitudes, Probabilities and EPR
This is a little note about quantum amplitudes. Even though quantum probabilities seem very mysterious, with weird interference effects and seemingly nonlocal…
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Struggles with the Continuum: Spacetime Conclusion
We've been looking at how the continuum nature of spacetime poses problems for our favorite theories of physics --- problems with infinities.…
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Struggles with the Continuum: General Relativity
Combining electromagnetism with relativity and quantum mechanics led to QED. Last time we saw the immense struggles with the continuum this…
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Learn the Top Misconceptions about Virtual Particles
This Insight Article is a sequel to the Insight Article ''The Physics of Virtual Particles'', which contains an exposition of definitions that are physically…
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Learn the Physics of Virtual Particles in Quantum Mechanics
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…
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Struggles with the Continuum: Quantum Electrodynamics
Quantum field theory is the best method we have for describing particles and forces in a way that takes both quantum mechanics…
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Struggles with the Continuum – Relativity and Quantum
In this series, we're looking at mathematical problems that arise in physics due to treating spacetime as a continuum---basically, problems…
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Introduction to Causal Perturbation Theory
Relativistic quantum field theory is notorious for the occurrence of divergent expressions that must be renormalized by recipes that on first sight sound…
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Quantum Renormalisation Made Easy
What Is The Issue With Renormalisation
If you have an interest in physics you have likely come across renormalisation before, although what it really…