Edward Witten, Lecture 2: Relative entropy in QFT
Автор: Física Exactas UBA
Загружено: 2025-09-29
Просмотров: 1872
Many quantities related to entanglement diverge in QFT, but some are finite. One of these quantities is the so-called relative entropy. In this lecture, Prof. Witten explains why relative entropy is well-defined in QFT, by exploiting the Reeh-Schlieder theorem and a mathematical framework called Tomita-Takesaki theory.
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