Two-particle pseudorapidity correlations at fixed multiplicity have been studied.

研究了固定多重数时的两粒子赝快度关联。

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In the field of quantum teleportation, a scheme for teleporting a two-particle entangled state is proposed.

在量子隐形传态方面，我们给出了一种新的二粒子纠缠态隐形传输方案。

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It is also a break away from the traditional treatments of two-particle system, and better results can be obtained.

同时，还解决了两体问题。突破了传统上的对双质点力学体系的一般处理方法，收到了举一反三的效果。

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Composed of light-absorbing, colloidal quantum dots linked to carbon-based fullerene nanoparticles, these tiny two-particle systems can convert light to electricity in a precisely controlled way.

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The ALA analyzed particle pollution levels two ways: short-term particle pollution, or high spikes in the level of soot and other toxins in the air that last a few hours to a few weeks, and year-round particle pollution, or the annual average of particle pollution levels.

FORBES: List: America's Most Polluted Cities

So physicists are eagerly seeking more, and two groups working at Fermilab, a particle-physics laboratory near Chicago, think they have found a candidate.

ECONOMIST: Cosmology and particle physics