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Matrix entanglement
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DOI：10.1007/JHEP01(2023)003.png)
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In gauge/gravity duality, matrix degrees of freedom on the gauge theory side play important roles for the emergent geometry. In this paper, we discuss how the entanglement on the gravity side can be described as the entanglement between matrix degrees of freedom. Our approach, which we call matrix entanglement', is different from target space entanglement' proposed and discussed recently by several groups. We consider several classes of quantum states to which our approach can play important roles. When applied to fuzzy sphere, matrix entanglement can be used to define the usual spatial entanglement in two-brane or five-brane world-volume theory nonperturbatively in a regularized setup. Another application is to a small black hole in AdS5xS5 that can evaporate without being attached to a heat bath, for which our approach suggests a gauge theory origin of the Page curve. The confined degrees of freedom in the partially-deconfined states play the important roles.
Keyword:
Black Holes in String Theory
Gauge-Gravity Correspondence
M(atrix) Theories
期刊
IF:
5.5
论文数:
3.9W
被引数:
13.7W
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