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arxiv: 1402.3589 · v1 · submitted 2014-02-15 · 🌀 gr-qc · cond-mat.stat-mech· hep-th· quant-ph

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1983 paper on entanglement entropy: "On the Entropy of the Vacuum outside a Horizon"

Rafael D. Sorkin
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classification 🌀 gr-qc cond-mat.stat-mechhep-thquant-ph
keywords entropyentanglementhorizonapproximatelyareablackcalledconceive
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I introduce the concept of *entanglement entropy* (as it's now called) and point out that it follows an *area law* which renders it a suitable source of black hole entropy. I also suggest to conceive the latter as residing on the horizon at approximately one bit per "Planckian plaquette".

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