To see the effects of quantum entanglement predicted in Hawking radiation in the superfluid, it must be cooled below 2.7 nanokelvin.
I think you mean colder than the 1.2 nanokelvin the radiation emits.
To see the effects of quantum entanglement predicted in Hawking radiation in the superfluid, it must be cooled below 2.7 nanokelvin.
I think you mean colder than the 1.2 nanokelvin the radiation emits.