# Browse Physics

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The demonstration of entanglement between two neutral atoms would be a key step toward using them for quantum computation.

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Quantum teleportation, a means of transferring the identity of one particle to another over some distance, made its debut in

*Physical Review Letters*in 1993.123.

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Ion traps can store quantum information with long coherence times and support universal quantum computations.

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Complex systems of entangled quantum states can now be transformed into a simpler form.

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An entangled state of six photons could potentially carry quantum information over large distances and between different reference frames.

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Researchers have measured the overlap time of an entangled pair of photons by treating them like ordinary laser pulses.

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A system familiar in condensed matter—particles on a hexagonal lattice—could be a useful initial state for a one-way quantum computer.

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A miniature time machine, possibly based on a wormhole through spacetime, could be used to break a super-secure quantum code.

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