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Grassmann Variables, Supersymmetry and Supersymmetric ...

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Fermionic Path Integral<br />

SUSY<br />

References<br />

The end<br />

<strong>Supersymmetric</strong> harmonic oscillator<br />

<strong>Supersymmetry</strong><br />

<strong>Supersymmetric</strong> harmonic oscillator<br />

3. <strong>Supersymmetric</strong> harmonic oscillator.<br />

For the composite system of the bosonic <strong>and</strong> fermionic oscillators,<br />

ω = ωB = ωF <strong>and</strong>:<br />

H = 1<br />

2 ω({b† , b} + [f † , f ]) = ω(NB + NF )<br />

with E = ω(nB + nF )<br />

This formula implies that all energy levels of the system are twice<br />

degenerate except for the ground state nB = nF = 0, characterised<br />

by zero energy E = 0.<br />

Anna Pachol GV,SUSY ans SHO

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