Why is SUSY Breaking so Difficult?! - Institute for Particle Physics ...
Why is SUSY Breaking so Difficult?! - Institute for Particle Physics ...
Why is SUSY Breaking so Difficult?! - Institute for Particle Physics ...
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<strong>Breaking</strong> SupersymmetryIt has to be doneFrom the susy algebra:Can find: H = P 0 = 1 4{ }Q α , Q ˙β= 2 σ µ α ˙β P µ)(Q 1 Q 1 + Q 1 Q 1 + Q 2 Q 2 + Q 2 Q 2So the vacuum energy: E = 〈 0 | H | 0 〉 0E > 0 ⇐⇒ Q α | 0 〉 ̸= 0As the scalar potential <strong>is</strong> al<strong>so</strong> positive definite:V (φ) = F †iF i+ 1 2 Da D a 0Q α | 0 〉 = 0 ⇐⇒ F i = 0 & D a = 0(I.P.P.P. — Durham University) <strong>SUSY</strong> <strong>Breaking</strong> Heidelberg 14 / 27