Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量，去从锌表面逐出一个电子。

youdao

Light from the core gets scattered in this zone, so that a single photon often may take a million years to pass through.

从核心发出的光在这一区域发生散射，以至于一个光子可能要花100万年才能通过。

youdao

The scientists found that the precursor wave front of a single photon always travels at c, like the signal velocity of large groups of photons.

科学家发现，单个光子的前驱波头一般以光速c传播，就像由大量光子携带的信号的传播速度一样。

youdao

Yes. In fact, there is not enough energy in a single photon to go ahead and eject an electron from this zinc surface.

是的，事实上，这里的光子没有足够的能量,去从锌表面逐出一个电子。

麻省理工公开课 - 化学原理课程节选

Notably, this revision adds a shutter button along the right edge of the handset, although like the Photon, it's only a single-stage mechanism, which is quite a bummer.

ENGADGET: Motorola's Atrix 2 (Edison) flaunts qHD display, hands-on reveals no PenTile matrix

This combination of assured single-photon emission at high rates driven by power no different from a battery, Dr Hoefling said, brings QKD much closer to commercial application.

BBC: Quantum key distribution with single photons