Re: quantum teleportation
From: Bill Unruh (unruh_at_string.physics.ubc.ca)
Date: 06/18/04
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Date: Fri, 18 Jun 2004 07:13:35 +0000 (UTC)
Sebastian Gottschalk <seppi@seppig.de> writes:
]Bill Unruh schrieb:
]> ]> Any idea to use it for secret key exchange?
]>
]> ]No, as quantum teleportation cannot carry any information. You cannot
]> ]choose what you measure.
]>
]> Yes, it can. The state teleported IS the message and the information.
]No, you can't. You just know that if you measure one particle you know
]about the complete state of the other particle - but you don't know what
]particle was measured first, so you need to talk with each other if the
]choice was correct with an light-or-less-speed communication.
Perhaps you need to go out and read to find out what quantum teleportation
is. It is not what you think it is.
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