The Alcubierre warp drive metric has been criticized on the points of requiring a large amount of exotic matter with negative energy, and conditions deadly for human travellers inside the bubble. What if the Alcubierre metric is used to just span a tiny bubble around a single spin-1/2 particle to transport either classical or quantum information faster than light? Wouldn't known small-scale effects, such as the Casimir force, suffice to provide the exotic conditions required for an Alcubierre bubble large enough to fit at least one particle? My question explicitly addresses the feasibility of a microscopic bubble using known microscopic effects.
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