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Quasiparticle interference in the pseudogap phase of cuprate ...

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QP INTERFERENCE 13<br />

For <strong>in</strong>tranodal scatter<strong>in</strong>g we thus get<br />

Re Im Re Im<br />

a) non−magnetic b) magnetic<br />

Magnetic and non-magnetic scatter<strong>in</strong>g differ only <strong>in</strong> <strong>the</strong> coherence factors, DOS<br />

is exactly <strong>the</strong> same. Yet, <strong>the</strong> FT-STS patterns are qualitatively different!.<br />

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