The Mermin-Wagner Theorem - Condensed Matter Theory Group
The Mermin-Wagner Theorem - Condensed Matter Theory Group
The Mermin-Wagner Theorem - Condensed Matter Theory Group
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How symmetry breaking occurs in principle<br />
Actors<br />
Proof of the <strong>Mermin</strong>-<strong>Wagner</strong> <strong>The</strong>orem<br />
Discussion<br />
<strong>The</strong>rewith we have found<br />
[C, H] , C †<br />
<br />
−<br />
<strong>The</strong> Bogoliubov inequality<br />
<strong>The</strong> <strong>Mermin</strong>-<strong>Wagner</strong> <strong>The</strong>orem<br />
≤ 4 2 |B0M(T , B0)|<br />
+ 8 2 S(S + 1) |Jmp|<br />
2 k2 |Rm − Rp| 2<br />
m,p<br />
≤ 4 2 |B0M(T , B0)| + 4Nk 2 4 QS(S + 1)<br />
Andreas Werner <strong>The</strong> <strong>Mermin</strong>-<strong>Wagner</strong> <strong>The</strong>orem
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