What is meant by the mass of a superfield?

  • A
  • Thread starter QFT1995
  • Start date
  • Tags
    Mass
In summary, the mass of a superfield refers to the energy-like quantity that describes the weight or magnitude of the superfield in supergravity or supersymmetry theories. It is typically determined through calculations and theoretical models, but can also be experimentally measured. The mass of a superfield is not a constant and can vary depending on the specific superfield and context. It plays a crucial role in particle physics and cosmology, helping to explain symmetry and balance in the universe. While it is typically positive, there are some cases where the mass of a superfield can be negative, leading to intriguing implications in physics.
  • #1
QFT1995
30
1
I'm specifically referring to these slides Supersymmetry - Holomorphy on pages 7 and 8.

Why is the mass of the superfield defined as [tex] \frac{\partial^2W}{\partial \Phi_H^2}[/tex]

and why are the equations of motion [itex]\frac{\partial W}{\partial \Phi_H}= 0[/itex] and not [itex]\frac{\delta \mathcal{L}}{\delta \Phi_H}= 0[/itex]?
 
  • Like
Likes arivero
Physics news on Phys.org
  • #2
Does it have something to do with that in the low energy limit, the kinetic terms are irrelevant compared to the potential terms?
 
Back
Top