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|Author(s):||Paul D. Lett; L Wang;|
|Title:||Abraham's Force on a Highly Dispersive Medium|
|Abstract:||We consider the radiation force on highly dispersive media. In doing so we reconsider an experiment proposed to measure the Abraham force term in the stress-energy tensor at optical frequencies by measuring the displacement of a transparent dielectric caused by a light pulse passing through it. We demonstrate that, using a cold atomic vapor with a large normal dispersion as the sample medium, such an experiment should now be feasible. We also show that this radiation force can be measured for a light pulse in a highly anomalously dispersive medium, where the group velocity exceeds c. This leads to the non-intuitive result that the sample recoil changes direction.|
|Publisher:||World Scientific Publishing Company, Hackensack, NJ|
|Keywords:||Abraham's force,anomalous dispersion,Bose-Einstein condensation,electromagnetic theory,laser cooling,slow light,spectroscopy|