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Theoretical physics / Tools

Clinker's little corner

Notes on QFT and GR, along with a few small tools I build.

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Recent notes

Recent notes

Ongoing notes on QFT, quantum gravity, and related mathematical physics, preserving the real path of study rather than publishing for volume.

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Conceptual Notes

August 3, 2026 · 4 min read

Active and Passive Transformations
A geometric account of active and passive transformations in quantum field theory, separating spacetime, coordinate maps, and field configurations.
  • QFT
  • Symmetry
  • Lorentz Transformations

Schwartz Reading Notes

April 26, 2026 · 1 min read

Schwartz 2.3.2
Notes and an erratum for Section 2.3.2 of Schwartz.
  • QFT
  • Errata
  • Schwartz

Projects

Recent projects

Detailed tool pages are moving to a separate project site. For now, this site keeps a single placeholder entry.

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In progress

April 13, 2026 · Placeholder link

Independent tools site in progress
Detailed tool pages will move to a separate project site. This placeholder will be replaced with the real link when it is ready.
  • Separate site