goldstino
Sign in to saveThe goldstino is the Nambu–Goldstone fermion emerging in the spontaneous breaking of supersymmetry. It is the close fermionic analog of the Nambu–Goldstone bosons controlling the spontaneous breakdown of ordinary bosonic symmetries.
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It is catalogued under topics including Hypothetical elementary particles and Supersymmetric quantum field theory.
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The goldstino is the Nambu–Goldstone fermion emerging in the spontaneous breaking of supersymmetry. It is the close fermionic analog of the Nambu–Goldstone bosons controlling the spontaneous breakdown of ordinary bosonic symmetries.
As in the case of Goldstone bosons, it is massless, unless there is, in addition, a small explicit supersymmetry breakdown involved, on top of the basic spontaneous breakdown; in this case it develops a small mass, analogous to that of Pseudo-Goldstone bosons of chiral symmetry breaking.
Excerpted from Wikipedia’s “goldstino” article, available under the CC BY-SA 4.0 licence.