研究人员指出, 这原理好比一个切开的网球,当网球所受的压力超过某一能量势垒(energy barrier),网球就会立刻翻转过来1。这个简洁的几何模型能准确预计陷阱叶片的运作,并可以将之放大,运用在动力引擎上。
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能量势垒理论 energy landscape theory
The low field magnetoresistance in polycrystalline manganites is usually thought to be a result of the spin polarized tunnelling through energy barriers at the grain boundaries. The structural disordered interfaces play a role of the energy barrier for carriers.
一般认为,这种低场磁电阻是由于载流子通过颗粒边界的能量势垒发生自旋极化隧穿而引起的。
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于是就能够降低形成在有机化合物层(1)(102)与有机化合物层(2)(103)之间的能量势垒。
The energy barrier formed between the organic compound layer (1) (102) and the organic compound layer (2) (103) thus can be lowered.
还有他们具有,一定能量克服势垒的概率。
And what the probability is of their getting enough energy to go over the barrier.
我们发现通过有限势垒耦合的双量子线在磁调制下可以用作为电子能量过滤器和分流器。
It is found that the double quantum wires coupled by a finite barrier can be an energy filter and current divider.
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