微电子中电弱相互作用引起的电流转动效应
Galvano-rotational effect induced by electroweak interactions in pulsars
摘要：
我们研究旋转物质中的弱相互作用粒子。预言了该系统中存在沿物质旋转轴向的电流。这种新的电流转动效应是由旋转物质中无质量带电粒子之间的宇称破坏相互作用引起的。我们从旋转坐标系中涉及电弱相互作用的费米子狄拉克方程的精确解开始。这个方程包括了非惯性效应。然后，利用所得到的解，我们导出了沿旋转轴流动的感应电流。我们研究了致密天体中出现电流转动效应的可能性。中子和假设的夸克星的具体例子进行了讨论。结果表明，利用这种效应，人们可以预期产生的环形磁场与极向的老毫秒磁星。我们还简要讨论了这些恒星中磁螺旋度的产生。最后分析了用电流转动效应描述中子星的非对称中微子发射来解释中子星反冲的可能性。
英文摘要：
We study electroweakly interacting particles in rotating matter. The existence of the electric current along the axis of the matter rotation is predicted in this system. This new galvano-rotational effect is caused by the parity violating interaction between massless charged particles in the rotating matter. We start with the exact solution of the Dirac equation for a fermion involved in the electroweak interaction in the rotating frame. This equation includes the noninertial effects. Then, using the obtained solution, we derive the induced electric current which turns out to flow along the rotation axis. We study the possibility of the appearance of the galvano-rotational effect in dense matter of compact astrophysical objects. The particular example of neutron and hypothetical quark stars is discussed. It is shown that, using this effect, one can expect the generation of toroidal magnetic fields comparable with poloidal ones in old millisecond pulsars. We also briefly discuss the generation of the magnetic helicity in these stars. Finally we analyze the possibility to apply the galvano-rotational effect for the description of the asymmetric neutrino emission from a neutron star to explain pulsars kicks.
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