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Power-Law Entropic Corrections to Newton's Law and Friedmann Equations · Around

2010

Power-Law Entropic Corrections to Newton's Law and Friedmann Equations

Sheykhi, Ahmad, Hendi, Seyed Hossein

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A possible source of black hole entropy could be the entanglement of quantum fields in and out the horizon.

The entanglement entropy of the ground state obeys the area law.
However, a correction term proportional to a fractional power of area results when the field is in a superposition of ground and excited states.
Inspired by the power-law corrections to entropy and adopting the viewpoint that gravity emerges as an entropic force, we derive modified Newton's law of gravitation as well as the corrections to Friedmann equations.

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