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Results tagged with grassmann-numbers
Search options questions only
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user 157704
4
votes
0
answers
46
views
Where are the multi-instantons in Supersymmetric QM?
Instantons can be used to find non perturbative corrections to ground state energies. However, the way in which they are used seems to me to be very different between the two common toy models of the …
- 11.8k
3
votes
2
answers
722
views
How are supersymmetry transformations even defined?
I am just starting to read about supersymmetry for the first time, and there is something bothering me. Supersymmetry transformations transform between bosonic fields and fermionic fields, but I don't …
- 11.8k
6
votes
1
answer
2k
views
Plugging Majorana Spinor into Dirac Lagrangian does not give Majorana Lagrangian?
This seems like it should be simple but somehow I do not see how.
The Majorana Lagrangian can be written in terms of a left handed Weyl spinor $\psi_L$ as
$$
\mathcal{L}_M= i \psi_L^\dagger \bar{\si …
- 11.8k