All macroscopic examples of spinor involve an object attached to the exterior world. Electrons having spin 1/2 therefore imply that they don’t exist “by themselves” and are embedded in a larger field.
I’m not sure whether that would be the electron field of the electromagnetic field, or maybe all of the fields?
There is the famous “belt trick”, plus this PBS Spacetime really explains it well!
https://youtu.be/pWlk1gLkF2Y
All macroscopic examples of spinor involve an object attached to the exterior world. Electrons having spin 1/2 therefore imply that they don’t exist “by themselves” and are embedded in a larger field.
I’m not sure whether that would be the electron field of the electromagnetic field, or maybe all of the fields?