Goldstino refers to a theoretical field that emerges in certain contexts within particle physics, particularly in supersymmetry. In supersymmetric theories, each particle is associated with a superpartner. When a supersymmetric theory is spontaneously broken, the Goldstone theorem comes into play, leading to the appearance of massless scalar particles called Goldstone bosons. The term "Goldstino" specifically refers to the Goldstone boson associated with the breaking of supersymmetry.
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