重离子碰撞中的P奇涨落和长程序。将QCD变形为玩具模型
P odd fluctuations and Long Range Order in Heavy Ion Collisions. Deformed QCD as a Toy Model
摘要：
利用一个简单的“变形QCD”模型研究了RHIC和LHC上观测到的重离子碰撞中P和CP不变性的局域破坏。这个模型是一个弱耦合的规范理论，然而，它具有所有相关的关键要素，使我们能够研究困难和非平凡的问题，这是已知的存在于真正的强耦合QCD。从本质上讲，我们想了解物理学的长程序的形式，在蒙特卡罗晶格模拟中观察到的相干低维真空配置。显然，正是这样的配置负责足够强的强度，在重离子碰撞中观察到的不对称性。
英文摘要：
We study the local violation of P and CP invariance in heavy ion collisions as observed at RHIC and LHC using a simple "deformed QCD" model. This model is a weakly coupled gauge theory, which however has all the relevant crucial elements allowing us to study difficult and nontrivial questions which are known to be present in real strongly coupled QCD. Essentially, we want to understand the physics of long range order in form of coherent low dimensional vacuum configurations observed in Monte Carlo lattice simulations. Apparently precisely such kind of configurations are responsible for sufficiently strong intensity of asymmetries observed in heavy ion collisions.
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