Bosonic Spectral Function and the Electron-Phonon Interaction in HTSC Cuprates

<table>The spectral functions <svg height="16.5375" id="M1409" style="vertical-align:-2.21957pt" version="1.1" viewbox="0 0 45.737499 16.5375" width="45.737499" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,16.5375)">
<g transform="translate(72,-58.77)">
<text transform="matrix(1,0,0,-1,-71.95,61.03)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝛼</tspan>
</text>
<text transform="matrix(1,0,0,-1,-64.9,66.03)">
<tspan style="font-size: 8.75px; " x="0" y="0">2</tspan>
</text>
<text transform="matrix(1,0,0,-1,-60.02,61.03)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝐹</tspan>
<tspan style="font-size: 12.50px; " x="7.7268538" y="0">(</tspan>
<tspan style="font-size: 12.50px; " x="11.890353" y="0">𝜔</tspan>
<tspan style="font-size: 12.50px; " x="20.404896" y="0">)</tspan>
</text>
</g>
</g>
</svg> and the calculated density of states at <svg height="10.9125" id="M1410" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 21.825001 10.9125" width="21.825001" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="8.3269978" y="0">K</tspan>
</text>
</g>
</g>
</svg> (upper solid line) obtained from the conductance measurements, the Bi(2212)–Au planar junctions. GPDS—generalized phonon density of states. From [<a href="/journals/acmp/2010/423725/#B28a">46</a>, <a href="/journals/acmp/2010/423725/#B28b">47</a>].</table>

Advances in Condensed Matter Physics

fig22

Figure 22

Figure 22: Bosonic Spectral Function and the Electron-Phonon Interaction in HTSC Cuprates 