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arXiv 1802.02584hep-th
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能量是纠缠

Energy is Entanglement

Stefan Leichenauer, Adam Levine, Arvin Shahbazi-Moghaddam

摘要:

在引力对偶理论中,我们计算了一个区域的冯诺伊曼熵的局部二阶变分。对于零变分,我们的公式表明,量子熵能量条件的对角部分在每个状态下都是饱和的,因此提供了能量和熵之间的等价性。我们证明了该公式在1/N中的首阶成立,并进一步论证了它在高阶不受影响。我们推测,QNEC是饱和的所有相互作用的理论。我们还讨论了自由理论的特殊情况,以及我们的公式对平均势能条件、量子聚焦猜想和引力运动方程的影响。我们表明,领先阶的引力运动方程,爱因斯坦方程,相当于领先阶饱和的普朗克宽度变形的QFC。

英文摘要:

We compute the local second variation of the von Neumann entropy of a region in theories with a gravity dual. For null variations our formula says that the diagonal part of the Quantum Null Energy Condition is saturated in every state, thus providing an equivalence between energy and entropy. We prove that the formula holds at leading order in 1/N, and further argue that it will not be affected at higher orders. We conjecture that the QNEC is saturated in all interacting theories. We also discuss the special case of free theories, and the implications of our formula for the Averaged Null Energy Condition, Quantum Focusing Conjecture, and gravitational equations of motion. We show that the leading-order gravitational equations of motion, Einstein's equations, are equivalent to leading-order saturation of the QFC for Planck-width deformations.

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