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

<table>(a) Effective <svg height="10.625" id="M1819" style="vertical-align:-0.1254pt" version="1.1" viewbox="0 0 29.85 10.625" width="29.85" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.625)">
<g transform="translate(72,-63.5)">
<text transform="matrix(1,0,0,-1,-71.95,63.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">R</tspan>
<tspan style="font-size: 12.50px; " x="8.3395014" y="0">e</tspan>
<tspan style="font-size: 12.50px; " x="15.966331" y="0">Σ</tspan>
</text>
</g>
</g>
</svg> for five samples for <svg height="14.2875" id="M1820" style="vertical-align:-0.17554pt" version="1.1" viewbox="0 0 22.975 14.2875" width="22.975" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2875)">
<g transform="translate(72,-60.57)">
<text transform="matrix(1,0,0,-1,-71.95,60.79)">
<tspan style="font-size: 12.50px; " x="0" y="0">O</tspan>
</text>
<text transform="matrix(1,0,0,-1,-62.92,65.96)">
<tspan style="font-size: 8.75px; " x="0" y="0">1</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">6</tspan>
</text>
</g>
</g>
</svg> (blue) and <svg height="14.2" id="M1821" style="vertical-align:-0.17554pt" version="1.1" viewbox="0 0 22.975 14.2" width="22.975" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.2)">
<g transform="translate(72,-60.64)">
<text transform="matrix(1,0,0,-1,-71.95,60.86)">
<tspan style="font-size: 12.50px; " x="0" y="0">O</tspan>
</text>
<text transform="matrix(1,0,0,-1,-62.92,66.03)">
<tspan style="font-size: 8.75px; " x="0" y="0">1</tspan>
<tspan style="font-size: 8.75px; " x="4.3759999" y="0">8</tspan>
</text>
</g>
</g>
</svg> (red) along the nodal direction. (b) Effective <svg height="10.475" id="M1822" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 32.450001 10.475" width="32.450001" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.475)">
<g transform="translate(72,-63.62)">
<text transform="matrix(1,0,0,-1,-71.95,63.67)">
<tspan style="font-size: 12.50px; " x="0" y="0">I</tspan>
<tspan style="font-size: 12.50px; " x="4.1634989" y="0">m</tspan>
<tspan style="font-size: 12.50px; " x="18.054333" y="0">Σ</tspan>
</text>
</g>
</g>
</svg> determined from MDC full widths. An impurity term is subtracted at <svg height="10.9125" id="M1823" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 37.974998 10.9125" width="37.974998" 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">𝜔</tspan>
<tspan style="font-size: 12.50px; " x="11.977874" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="24.018263" y="0">0</tspan>
</text>
</g>
</g>
</svg>. From [<a href="/journals/acmp/2010/423725/#B147">192</a>].</table>

Advances in Condensed Matter Physics

fig34

Figure 34

Figure 34: Bosonic Spectral Function and the Electron-Phonon Interaction in HTSC Cuprates 