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Quantum vacuum thruster
A quantum vacuum plasma thruster (or Q-thruster) is a proposed type of spacecraft thruster that would work in part by acting on the virtual particles produced by quantum vacuum fluctuations. This was proposed as a possible model for an engine that could produce thrust without carrying its own propellant. Some physicists working with microwave resonant cavity thrusters think that they might be the first examples of such an engine.
== History and controversy ==
The name and concept is controversial. In 2008, Yu Zhu and others at China's Northwestern Polytechnical University claimed to measure thrust from such a thruster, but called it a "microwave thruster without propellant" working on quantum principles.〔 In 2011 it was mentioned as something to be studied by Harold G. White and his team at NASA's Eagleworks Laboratories,〔 who were working with a prototype of such a thruster. Other physicists, such as Sean M. Carroll and John Baez, dismissed it because the quantum vacuum as currently understood is not a plasma and does not possess plasma-like characteristics.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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