New paradigm resolves old paradox of faster-than-light tunneling

@article{Winful2007NewPR,
  title={New paradigm resolves old paradox of faster-than-light tunneling},
  author={H. Winful},
  journal={Spie Newsroom},
  year={2007}
}
How long does it take a particle or wave packet to tunnel through a barrier? This question has occupied physicists since the early days of quantum mechanics, when it was suggested that the process is instantaneous.1 In tunneling, a particle lacking the energy to go over a classically impenetrable potential barrier can nevertheless end up on the other side, albeit with small probability. This process is the basis for devices such as the scanning tunneling microscope, which enables imaging with… Expand

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