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Why is there an energy gap for potential energy for a paramagnet?

Student 5051 9 years ago • updated by Physics Tutorial Center Staff 9 years ago • 1

I know that there is a potential energy difference in paramagnets of deltaU = 2*mu_B*B.

Since deltaU is (Umax-Umin), what do Umax and Umin correspond to? Or do I have all of this wrong?

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Physics Tutorial Center Staff 9 years ago

The potential energy difference corresponds the total spin up and spin down configuration inside the material.

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Physics Tutorial Center Staff 9 years ago

The potential energy difference corresponds the total spin up and spin down configuration inside the material.

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