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Black-hole formation and thermalization in open JT gravity
Abstract
Black-hole formation is expected, via holography, to correspond to thermalization in the boundary theory. For open quantum systems, an initial pure state generically evolves into a mixed state irreversibly, suggesting that horizon formation in the bulk should arise. In this paper, we extend the holographic Lindblad prescription to a non-Markovian setting and apply it to JT gravity coupled to a scalar field. Using numerical simulations in the semiclassical and high-temperature regime, we demonstrate the dynamical formation of black holes.
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BibTeX
@misc{adachi2026blackhole,
title = {{Black-hole formation and thermalization in open JT gravity}},
author = {Ryo Adachi and Rumi Hasegawa and Takanori Ishii and Daichi Takeda},
howpublished = {arXiv},
year = {2026},
month = oct,
doi = {10.48550/arxiv.2605.14573},
eprint = {2605.14573},
archivePrefix = {arXiv},
url = {https://arxiv.org/abs/2605.14573},
}
RIS
TY - UNPB
TI - Black-hole formation and thermalization in open JT gravity
AU - Ryo Adachi
AU - Rumi Hasegawa
AU - Takanori Ishii
AU - Daichi Takeda
PY - 2026
DA - 2026/10/29
PB - arXiv
DO - 10.48550/arxiv.2605.14573
UR - https://arxiv.org/abs/2605.14573
AB - Black-hole formation is expected, via holography, to correspond to thermalization in the boundary theory. For open quantum systems, an initial pure state generically evolves into a mixed state irreversibly, suggesting that horizon formation in the bulk should arise. In this paper, we extend the holographic Lindblad prescription to a non-Markovian setting and apply it to JT gravity coupled to a scalar field. Using numerical simulations in the semiclassical and high-temperature regime, we demonstrate the dynamical formation of black holes.
ER -