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Thread: Quantum communication withouth quantum states distruction?

  1. #1 Quantum communication withouth quantum states distruction? 
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    There is Nobel prize for ability to observe quantum states without distracting them.
    Quantum measurements leave Schrödinger's cat alive - physics-math - 03 October 2012 - New Scientist
    What practical implications may this discovery has? For example,does it allow to create transatlantic communication
    line without any physical link and cable?


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    Quote Originally Posted by Stanley514 View Post
    There is Nobel prize for ability to observe quantum states without distracting them.
    Quantum measurements leave Schrödinger's cat alive - physics-math - 03 October 2012 - New Scientist
    What practical implications may this discovery has? For example,does it allow to create transatlantic communication
    line without any physical link and cable?
    Well probably very little. Or better said, I simply do not know. I am a theoretical physicist in this field myself. And to be very honest I can only speculate by professional intuition of what might be possible. As the research is very much ongoing.

    However the destruction of quantum states (not distraction) is a proces that always happen in certain form of observation. It does mean that we can hold certain macroscopic pieces of an unobserved process in a superposition. However, we already have known that for 90 years or so?

    In this modern age, where technology has made quantum size experiments easy axes. The process is already used.
    Quantum encryption for instance. It is an electronic(photonic) message that can only be read once. So you know when someone is listening. It is the perfect encryption as it is intrinsically 'unspieable'.


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