Phase space for the Einstein equations

Phase space for the Einstein equations
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爱因斯坦方程的相空间

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发表时间:
2004
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通讯作者:
R. Bartnik
R. Bartnik
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作者:
R. Bartnik

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本文描述了具有局部H^2的渐近平坦初始数据$(g,pi)$的ADM相空间的Hilbert流形结构 imes H^1$ Sobolev正则性。约束方程的解形成一个Hilbert子流形。正则化RT哈密顿量的定义和光滑的全相空间,并产生爱因斯坦演化的任何lapse-shift渐近到(时间)平移在无穷远。临界点的总(ADM)质量,被认为是一个功能的希尔伯特流形上的约束解决方案,出现在初始数据产生稳定的真空时空。
A Hilbert manifold structure is described for the ADM phase space of asymptotically flat initial data $(g,pi)$ with local $H^2 imes H^1$ Sobolev regularity. Solutions of the constraint equations form a Hilbert submanifold. A regularized RT Hamiltonian is defined and smooth on the full phase space and generates the Einstein evolution for any lapse-shift asymptotic to a (time) translation at infinity. Critical points for the total (ADM) mass, considered as a function on the Hilbert manifold of constraint solutions, arise precisely at initial data generating stationary vacuum spacetimes.