/sci/ - Science & Math

>>12230671
I googled ‘Landauer’s principle’ and it reminded me completely of Quantum Teleportation.

The destruction of information—or the destruction of information according to the observer, I should say—creates heat. However, if we somehow have reversible computing, we could stop the destruction of information in the reference frame of the observer, we could stop the creation of heat from the computation. To use pic related as an example; in standard computing if 0 turns to 1, the information of 0 is erased, and creates heat. In reversible computing, you could go from 0 to 1 or 1 to 0 without any heat whatsoever due to the lack of information loss in the reference frame of the observer.

Quantum Teleportation (QT) allows something similar. It allows you to completely transfer information without any excitation that would show you information was transferred, including heat, gravitational waves, and the like.

To quote Susskind and Zhao: “Teleportation requires the transfer of classical information outside the horizon, but the classical bit-string carries no information about the teleported system; the teleported system passes through the ERB [Einstein Rosen Bridge] leaving no trace outside the horizon. In general the teleported system will retain a memory of what it encountered in the wormhole. This phenomenon could be observable in a laboratory equipped with quantum computers.” https://arxiv.org/pdf/1707.04354.pdf

They explicitly talk about Quantum Computers, something that has to comply to Landauer’s principle as well: “ While a classical bit can be either 0 or 1, a qubit can be in a combination of both states at the same time. However, Landauer’s principle should also apply, predicting a similar minimum amount of heat dissipated.”
https://physicsworld.com/a/landauer-principle-passes-quantum-muster/

Just thought that was interesting.