两个相互作用场的负辐射压
Negative radiation pressure in case of two interacting fields
摘要：
我们研究了一个简单的玩具模型，虽然它可能没有任何直接的物理应用，但可以作为一个很好的教学例子来解释负辐射压的奇怪现象，也可以为理解辐射和涡旋之间的相互作用提供一些见解。所讨论的模型是1+1维两个相互作用的标量场的经典场论。在没有耦合的情况下，其中一个场由普通的$ϕ^4$方程控制，第二个场服从克莱因-戈登方程。讨论了{ \it负辐射压}存在的可能性与这两个场的质量比的关系。
英文摘要：
We study a simple toy model, which although probably does not have any direct physical applications, can serve as a nice pedagogical example for explanation strange phenomenon of negative radiation pressure and can also give some insight for understanding the interaction between radiation and a vortex. The model discussed is a classical field theory of two interacting scalar fields in 1+1 d. Without coupling one of the fields is governed by the ordinary $ϕ^4$ equation and the second one obeys the Klein-Gordon equation. The possibility of existence of the {\it negative radiation pressure} with a respect to the mass ratio of those two fields is discussed.
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