Experimental certification of millions of genuinely entangled atoms in a solid
The presence of entanglement in macroscopic systems is notoriously difficult to observe. Here, the authors develop a witness which allow them to demonstrate entanglement between millions of atoms in a solid-state quantum memory prepared by the heralded absorption of a single photon.
| Main Authors: | , , , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
Nature Publishing Group
2017-10-01
|
| Series: | Nature Communications |
| Online Access: | https://doi.org/10.1038/s41467-017-00898-6 |