Metaphysical Thoughts - Making Quantum Mechanics Logical

October 28, 2025: How do gravitons scatter from each other? – The physics blog of Heikki Tuuri.

Friday, October 24, 2025

Gravity: a "limp" rubber membrane is a model – scattering of gravitons

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Now that we understand QED better, let us return to the problem of ultraviolet diverging loop integrals in quantum gravity. What kind of a m...
Wednesday, October 22, 2025

Vertex correction and vacuum polarization in QED: a more thorough analysis

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Our September 24 and 29, and October 12, 2025 posts contained many ideas, and the analysis was left superficial. Let us continue the study o...
Friday, October 17, 2025

Not renormalizable theories in QFT: there is a confusion about overlapping probabilities

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Wikipedia defines nonrenormalizable theories in this way: " Not all theories lend themselves to renormalization in the manner described...
Sunday, October 12, 2025

Vacuum polarization in QED

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UPDATE October 20, 2025: When two electrons approach each other, superlinear polarization reduces the energy of the electric field? Then the...
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Heikki Tuuri
About the blog author:
- Mr. Heikki Tuuri,
- born 1964 in Helsinki,
- PhD in mathematical logic, University of Helsinki, 1990
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