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New twist to electron beams（图）
electron beams the fundamental physical property orbital angular momentum
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2010/4/15
Physicists in Japan have for the first time generated beams of electrons displaying the fundamental physical property of orbital angular momentum. Like light beams before, these electron beams have ha...
Another new twist on the Hanbury Brown-Twiss effect
photons Quantum mechanics
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2007/2/2
24 January 2007，Fifty years ago, physicists Robert Hanbury Brown and Richard Twiss noticed that photons from the star Sirius tended to arrive at a pair of detectors at the same time. They realised tha...