I read Ryder's book on QFT but I couldn't understand what in facts are localized particles which are really observed and do they have any place at all in QFT. So I watched a Zee lecture in YT https://www.youtube.com/watch?v=jT1pM0aQ4AY at 12.42 he talks about localized wave packes of the normal modes on the matress of pointmasses with harmonic springs which he sets moving as particles. In my opinion such packets can exist for a very short time and disipate without reaching any macroscopic distance to be regarded as real particles. Zee also adds that the springs must be in fact unharmonic so the packets can interract with each other. Then the packets will disipate much sooner IMO. So what is in fact the current status of packets representing particles in QFT? Is Zee right and is there any scientific paper or better a book where the question of particles made of packets is made clear as much as possible?
Asked
Active
Viewed 133 times
