Thermal and Dissipative effects in Casimir Physics
Thermal and Dissipative effects in Casimir Physics
Thermal and Dissipative effects in Casimir Physics
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Currently we are tak<strong>in</strong>g data after <strong>in</strong>stall<strong>in</strong>g a Peltier cooler<br />
on the resonator support<br />
Expected frequency shift due to the <strong>Casimir</strong> force:<br />
∆ν<br />
2<br />
= −<br />
7π<br />
hc<br />
mν<br />
La<br />
d 0<br />
1/ 2<br />
Cas 9/ 2<br />
3072 2<br />
0<br />
To give a feel<strong>in</strong>g, this is equivalent to the detection of a bias voltage:<br />
V eq<br />
=<br />
⎛<br />
⎜<br />
⎝<br />
πhc<br />
96ε<br />
0<br />
⎞<br />
⎟<br />
⎠<br />
1/2<br />
1<br />
d<br />
=<br />
11.05mV<br />
d<br />
A 1% accuracy measurement at 4 micrometers requires control of the<br />
electrostatics at the level of about 0.03 mV<br />
14
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