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DIPLOMAMUNKA Matus Péter - MTA SzFKI

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a<br />

ρ´Rµ<br />

atomok<br />

ε´kµ<br />

ε F<br />

π<br />

a<br />

k F<br />

0 k F<br />

π<br />

a<br />

k<br />

1.2 ábra. Peierls-átmenet 1D fémben: Fémes fázis<br />

ρ´Rµ<br />

2a<br />

atomok<br />

ε´kµ<br />

ε F<br />

2∆<br />

π<br />

a<br />

k F<br />

0 k F π 2a<br />

π<br />

a<br />

k<br />

1.3 ábra. Peierls-átmenet 1D fémben: Szigetelő fázis<br />

8

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