生物分子和氟富勒烯的波动性质
The wave nature of biomolecules and fluorofullerenes
摘要:
我们证明了量子干涉四苯基卟啉,第一个生物分子表现出波的性质,并为fluorofullerene C60 F48使用近场塔尔博特-劳干涉仪。对于卟啉,这是区别于它们的低对称性和丰富的有机系统中出现,我们发现理论上预期的最大干涉对比度和预期的依赖于德布罗意波长。对于C60 F48,观察到的条纹可见度低于预期值,但高对比度仍然为观察到的条纹图案的量子特性提供了很好的证据。因此,氟富勒烯为德布罗意波实验的复杂性和质量(1632 amu)设定了新的标志,超过了以前的质量记录的两倍。
英文摘要:
We demonstrate quantum interference for tetraphenylporphyrin, the first biomolecule exhibiting wave nature, and for the fluorofullerene C60F48 using a near-field Talbot-Lau interferometer. For the porphyrins, which are distinguished by their low symmetry and their abundant occurence in organic systems, we find the theoretically expected maximal interference contrast and its expected dependence on the de Broglie wavelength. For C60F48 the observed fringe visibility is below the expected value, but the high contrast still provides good evidence for the quantum character of the observed fringe pattern. The fluorofullerenes therefore set the new mark in complexity and mass (1632 amu) for de Broglie wave experiments, exceeding the previous mass record by a factor of two.
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