Abstract
It is shown that quantum mechanics allows a qubit to be transferred so that it can be accessed symmetrically by two observers. These can then decide later which one is to take possession of the quantum information. The process is not fully successful, but a failed experiment may allow the retention of the quantum information for use in a subsequent operation.
| Original language | English |
|---|---|
| Article number | 044301 |
| Number of pages | 3 |
| Journal | Physical Review A |
| Volume | 62 |
| Issue number | 4 |
| DOIs | |
| Publication status | Published - Oct 2000 |