Video URL
https://pirsa.org/16040057Entanglement, Gravity, and Quantum Error Correction
APA
Dong, X. (2016). Entanglement, Gravity, and Quantum Error Correction. Perimeter Institute for Theoretical Physics. https://pirsa.org/16040057
MLA
Dong, Xi. Entanglement, Gravity, and Quantum Error Correction. Perimeter Institute for Theoretical Physics, Apr. 19, 2016, https://pirsa.org/16040057
BibTex
@misc{ scivideos_PIRSA:16040057, doi = {10.48660/16040057}, url = {https://pirsa.org/16040057}, author = {Dong, Xi}, keywords = {Quantum Fields and Strings}, language = {en}, title = {Entanglement, Gravity, and Quantum Error Correction}, publisher = {Perimeter Institute for Theoretical Physics}, year = {2016}, month = {apr}, note = {PIRSA:16040057 see, \url{https://scivideos.org/index.php/pirsa/16040057}} }
Xi Dong Institute for Advanced Study (IAS)
Abstract
Over the last few years it has become increasingly clear that there is a deep connection between quantum gravity and quantum information. The connection goes back to the discovery that black holes carry entropy with an amount given by the horizon area. I will present evidence that this is only the tip of the iceberg, and prove that a similar area law applies to more general Renyi entanglement entropies. To demonstrate the simplicity of this prescription, I will use it to calculate the mutual Renyi information between two disks of arbitrary dimension. Furthermore, I will provide quantum corrections to the area law and use it to solve the following important problem: what region of the dual spacetime is described by a subregion in a holographic theory? The answer to this question lies in a new perspective that I will advocate: holography is a quantum error correcting code.