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2×105
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The device geometry is a bending-beam flexure cell: clamp a thin slab of the crystal at its ends, bend it to a controlled radius of curvature, and the resulting surface strain varies smoothly along the beam, sweeping the local tilt through the critical value across a channel roughly a hundred nanometres to a micrometre long. The line where the tilt crosses 1 is the horizon, with an analog surface gravity set by how fast the tilt changes along the channel and an analog Hawking temperature that follows from it in the same way a real event horizon’s surface gravity fixes its radiation temperature. At the paper’s chosen design point — a Fermi velocity of 2×10^5 metres per second, a strain…
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Equation 11 · Crossed Fields
This mathematical expression combines the displayed quantities; its precise role follows from the surrounding article text.
The device geometry is a bending-beam flexure cell: clamp a thin slab of the crystal at its ends, bend it to a controlled radius of curvature, and the resulting surface strain varies smoothly along the beam, sweeping the local tilt through the critical value across a channel roughly a hundred nanometres to a micrometre long. The line where the tilt crosses 1 is the horizon, with an analog surface gravity set by how fast the tilt changes along the channel and an analog Hawking temperature that follows from it in the same way a real event horizon’s surface gravity fixes its radiation temperature. At the paper’s chosen design point — a Fermi velocity of 2×10^5 metres per second, a strain…
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