Kleinberg Navigation on Anisotropic Lattices

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="346543.fig.004a" src="https://static.hindawi.com/articles/physri/volume-2008/346543/figures/346543.fig.004a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Lattice</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="346543.fig.004b" src="https://static.hindawi.com/articles/physri/volume-2008/346543/figures/346543.fig.004b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Angle</td></tr></table></td></tr></table>

<table>Dependence of
results on anisotropy strength <svg height="10.7375" id="M127" style="vertical-align:-0.13794pt" version="1.1" viewbox="0 0 7.4749999 10.7375" width="7.4749999" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.7375)">
<g transform="translate(72,-63.41)">
<text transform="matrix(1,0,0,-1,-71.95,63.6)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑏</tspan>
</text>
</g>
</g>
</svg> for (a) lattice  and (b) angular  anisotropies.
The straight lines are of slopes 2 and <svg height="10.9125" id="M128" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 20.1 10.9125" width="20.1" 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">1</tspan>
<tspan style="font-size: 12.50px; " x="6.2515001" y="0">/</tspan>
<tspan style="font-size: 12.50px; " x="9.727334" y="0">4</tspan>
</text>
</g>
</g>
</svg>,
respectively.</table>

Physics Research International

Kleinberg Navigation on Anisotropic Lattices

Figure 4