Can We Make a Bohmian Electron Reach the Speed of Light, at Least for One Instant?
نویسنده
چکیده
In Bohmian mechanics, a version of quantum mechanics that ascribes world lines to electrons, we can meaningfully ask about an electron’s instantaneous speed relative to a given inertial frame. Interestingly, according to the relativistic version of Bohmian mechanics using the Dirac equation, a massive particle’s speed is less than or equal to the speed of light, but not necessarily less. That leads us to the question whether situations in which the speed actually reaches the speed of light can be arranged experimentally. Our conclusion is that in practice the probability of the particle reaching the speed of light, even for only one point in time, is zero. PACS: 03.65.Ta.
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تاریخ انتشار 2008