LQFT - What does LQFT stand for? The Free Dictionary
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We begin by showing how the Bekenstein formula can be derived from entanglement entropy and later how this can yield the small departures from LQFT needed to carry the quantum information out of the black hole.
As it has been shown in  the desired LQFT modification which arise from the universal coupling between graviton and matter fields in the near-horizon region [integral][[phi].sup.[micro]v][T.sub.[micro]v] need not stop at r = 2M but rather extend beyond the horizon in order to avoid firewall formation.
If we wish to keep LQFT in Minkowski space and simultaneously have spacelike transfer of quantum information a firewall will form.