宇宙波函数的动力学解释及应用  

Dynamics Interpretation of the Universe Wave Function and Its Application

作　　者：何东山 HE Dongshan(School of Physics ＆ Electronic Engineering,Xianyang Normal University,Xianyang 712000,Shaanxi,China)

机构地区：[1]咸阳师范学院物理与电子工程学院,陕西咸阳712000

出　　处：《咸阳师范学院学报》2018年第4期40-43,共4页Journal of Xianyang Normal University

基　　金：国家自然科学基金项目(11647060);咸阳师范学院科研基金项目(15XSYK034)

摘　　要：在小超空间模型下研究了宇宙波函数的物理意义。从量子宇宙学的基本方程惠勒-德维特方程出发,结合连续性方程给出了宇宙波函数的动力学解释。在波函数动力学解释中,宇宙波函数密度反比于哈勃参数。将宇宙波函数与可观测量哈勃参数联系起来,克服了宇宙波函数概率解释的困难。根据不同的边界条件,Hawking提出了无边界宇宙波函数,Vilenkin根据隧穿模型给出了隧穿波函数。哪种宇宙波函数正确还存在争论,宇宙波函数动力学解释表明隧穿模型的波函数更能反映宇宙的真实演化规律。In this paper, the physical meaning of the universe wave function was studied in the minisuperspace model. Based on the fundamental equation of quantum cosmology, Wheeler-De Witt equation, and the continuity equation, we proposed the dynamics interpretation of the universe wave function. In this interpretation, the density of the universe wave function is inversely proportional to the Hubble parameter. Then, this interpretation links the universe wave function with the observable Hubble parameter and overcomes the difficulty of the probability interpretation of the universe wave function. According to the different boundary conditions, Hawking proposed the no boundary wave function, while Vilenkin gives the tunneling wave function. It is still controversial which kind of universe wave function is correct. Our interpretation shows that the tunneling wave function can better reflect the actual evolution of the universe.

关 键 词：宇宙波函数 量子宇宙学 惠勒-德维特方程 

分 类 号：O412[理学—理论物理]