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    Physicists describe method to observe timelike entanglement
    In "ordinary" quantum entanglement, two particles possess properties that are inherently linked with each other, even though the particles may be spatially separated by a large distance. Now, physicists S. Jay Olson and Timothy C. Ralph from the University of Queensland have shown that it's possible to create entanglement between regions of spacetime that are separated in time but not in space, and then to convert the timelike entanglement into normal spacelike entanglement. They also discuss the possibility of using this timelike entanglement from the quantum vacuum for a process they call "teleportation in time."

    Sun, Jan 30, 2011  Permanent link

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    Wildcat     Mon, Jan 31, 2011  Permanent link
    reference ?
    Queston     Mon, Jan 31, 2011  Permanent link
    Queston     Mon, Jan 31, 2011  Permanent link
    Wildcat     Tue, Feb 1, 2011  Permanent link
    much obliged, thanks
    michaelerule     Sun, Feb 6, 2011  Permanent link
    Just so you know arxiv isn't peer reviewed and is notorious for accumulating papers that are incorrect.

    Physicists and mathematicians put work up there as a kind of "first!" to stake claim to results that might be easily copied. Later, *if* the paper passes peer review, it will be taken seriously by the scientific community.

    For instance, the recent P!=NP proof [] was posted on arxiv and torn to pieces before it could pass early stages of peer review.

    With a less sensational paper people might not even consider it worth their time to debunk it.

    So ! before you get excited about anything you read on arxiv, follow it and wait to see if it passes peer review. A lot of crackpot research gets published there, and even respected researchers can make mistakes.
    Queston     Sun, Feb 6, 2011  Permanent link
    Appreciated. I'll stay skeptical. I was referred to the paper via Physorg: