Topics in Statistic Mechanics
Topics in Statistic Mechanics
Topics in Statistic Mechanics
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Adv. Sta. Phy. Homework 7 Renormalization Group Li,Zimeng PB06203182<br />
We have used (2.2.2) <strong>in</strong> the above derivation.<br />
The Second term<br />
conta<strong>in</strong>s no , so it conta<strong>in</strong>s no s<strong>in</strong>gularity and<br />
(see 1.3.[1])<br />
The third and forth term<br />
Because is a Gauss <strong>in</strong>tegration, so odd number of or will make the <strong>in</strong>tegration<br />
zero.<br />
The fifth term<br />
We need to calculate<br />
here and the <strong>in</strong>tegration is Gauss type with<br />
exponent<br />
=
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