Dirac Equation vs Wave Function

  • B
  • Thread starter bluecap
  • Start date
  • #1
396
13
Hi, under what equation does the Dirac Equation fall under versus that of the Wave Function. Why is Antimatter from Dirac Equation really there but the wave function is not real? Because if Antimatter exist from an equation of complex numbers.. why can't the wave function be real too?
 

Answers and Replies

  • #2
9,596
2,676
Hi, under what equation does the Dirac Equation fall under versus that of the Wave Function. Why is Antimatter from Dirac Equation really there but the wave function is not real? Because if Antimatter exist from an equation of complex numbers.. why can't the wave function be real too?
Forget Dirac's equation and holes etc etc. It was simply a beautiful and brilliant way-station to the correct explanation via QFT.

QFT is the correct explanation for antimatter.

Complex numbers are intrinsic to QM. The reason is it allows continuous transformation between states:
http://www.scottaaronson.com/democritus/lec9.html

There are other reasons as well eg you do not get path cancellation so you have the Principle Of Least Action in the sum over history approach without complex numbers. It's interesting, and a bit of a mystery, that QM is basically a Wiener process in complex time.

Thanks
Bill
 

Related Threads on Dirac Equation vs Wave Function

  • Last Post
Replies
7
Views
931
Replies
16
Views
7K
  • Last Post
Replies
6
Views
908
  • Last Post
Replies
11
Views
3K
Replies
11
Views
972
  • Last Post
Replies
3
Views
5K
Replies
15
Views
6K
  • Last Post
Replies
5
Views
1K
Replies
2
Views
851
Replies
40
Views
2K
Top