How spacetime is built by quantum entanglement

University of Tokyo

A collaboration of physicists and a mathematician has made a significant step toward unifying general relativity and quantum mechanics by explaining how spacetime emerges from quantum entanglement in a more fundamental theory. The holographic principle states that gravity in a three-dimensional volume can be described by quantum mechanics on a two-dimensional surface surrounding the volume. The importance of quantum entanglement has been suggested before, but its precise role in emergence of spacetime was not clear until the new paper by Ooguri and collaborators. ### Paper Authors: Jennifer Lin (1), Matilde Marcolli (2), Hirosi Ooguri (3,4), Bogdan Stoica (3) Author affiliations: (1) Enrico Fermi Institute and Department of Physics, University of Chicago (2) Department of Mathematics, California Institute of Technology (3) Walter Burke Institute for Theoretical Physics, California Institute of Technology (4) Kavli Institute for the Physics and Mathematics of the Universe (WPI), University of Tokyo Title: Locality of Gravitational Systems from Entanglement of Conformal Field Theories Journal: Physical Review Letters Links The University of Tokyo http://www.u-tokyo.ac.jp/en/ Kavli Institute for the Physics and Mathematics of the Universe http://www.ipmu.jp/ Research contact Hirosi Ooguri Principal Investigator Kavli Institute for the Physics and Mathematics of the Universe, The University of Tokyo Email: [email protected] Press officer contact Motoko Kakubayashi Project Specialist Kavli Institute for the Physics and Mathematics of the Universe, The University of Tokyo Tel: +81-4-7136-5980 (office) Email: [email protected] About the Kavli IPMU Kavli IPMU (Kavli Institute for the Physics and Mathematics of the Universe) is an international research institute with English as its official language. The Institute for the Physics and Mathematics of the Universe (IPMU) was established in October 2007 under the World Premier International Research Center Initiative (WPI) of the Ministry of Education, Sports, Science and Technology in Japan with the University of Tokyo as the host institution.

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