Experimental Progress towards Probing the Ground State of an Electron-Hole Bilayer by Low-Temperature Transport

<table>Two-probe and four-probe resistance of the electron (blue squares) and hole (red triangles) layers versus temperature, at <svg height="20.2125" id="M297" style="vertical-align:-3.50804pt" version="1.1" viewbox="0 0 111.6375 20.2125" width="111.6375" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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</svg> cm<sup>−2</sup>. (Device: B138/C4-1-10 nm Barrier).</table>

Advances in Condensed Matter Physics

fig17

Figure 17

Figure 17: Experimental Progress towards Probing the Ground State of an Electron-Hole Bilayer by Low-Temperature Transport 