The Holographic Nature of Null Infinity
We argue that, in a theory of quantum gravity in a four dimensional asymptotically flat spacetime, all information about massless excitations can be obtained from an infinitesimal neighbourhood of the past boundary of future null infinity and does not require observations over all of future null...
| Main Author: | |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
SciPost
2021-02-01
|
| Series: | SciPost Physics |
| Online Access: | https://scipost.org/SciPostPhys.10.2.041 |