Zero Point Energy doc
Effect of Sample on Casimir
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| Effect of Sample on Casimir Stress The theorists who calculate the expected mass anisotropy effect should be asked to look at the case where the space between the conducting plates is not a vacuum at zero temperature, but a dielectric with a finite index of refraction, a finite (but very high) resistivity, and a finite temperature. Barton (1990) has already done this for the vacuum between conducting plates at a finite temperature. 1 expect the results of the theoretical calculations will be that the anisotropic Casimir stress remains, although the magnitude maybe changed slightly. One expected side effect of filling the cavity with a dielectric sample medium is that although the speed of light will still be anisotropic, the speed of light perpendicular to the plates will no longer be greater than c. ZP OWER C ORPORATION PAGE OF 352 Z ERO P OINT E NERGY Measurement Sensitivity The sensitivity of electronic amplifiers has improved substantially in the past 35 years. It is not known whether that improvement has been enough to not only compensate for the decreased sample size, but to also provide additional margin to close the gap between the x 10 23 sensitivity of the Drever measurement and the x 24 sensitivity needed to measure the Casimir stress induced inertial mass anisotropy as giver equation (8). To improve the signal·to-noise ratio, experts in NMR need to be consulted as to the best nucleus to use, the best compound to put it in, the best host lattice or solution, the optimum magnetic field strength to be applied, the best radio frequency circuit-amplifier combination to extract the response signal, and the best NMR technique to be used (driven resonance or free precession). Summary Theorists using the well-accepted theory of Quantum Electrodynamics to calculate the effects of the quantum fluctuations in the vacuum, predict that the velocity of light can be changed by Casimir stresses induced in the vacuum by the presence of a pair of closely spaced conducting plates. It is not yet known, but it is suspected, that the same Casimir stresses will cause a change in the inertial mass of an object. The effect is minute, but it maybe possible to design an experiment using a nuclear magnetic resonance free precession technique to measure that change in the inertial mass. The result of the experiment will either be that the inertial mass of a body can be changed, or that our theories of the vacuum must be changed. The implications for either experimental result will be significant. Download 0.97 Mb. Share with your friends:
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