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arXiv 1703.03300quant-ph
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电路量子电动力学模拟分子光谱

Simulating Molecular Spectroscopy with Circuit Quantum Electrodynamics

Ling Hu, YueChi Ma, Y. Xu, W. Wang, Y. Ma, K. Liu, M. -H. Yung, L. Sun

摘要:

光谱学是通过量子系统与电磁辐射的相互作用来理解量子系统的关键实验室技术。特别是,光谱学能够揭示分子的物理结构,导致了微波激射器的发展-激光的前身。然而,由于计算和技术的限制,分子光谱学的实际应用大多局限于平衡态;利用新兴的量子模拟技术可以实现潜在的突破。在这里,我们的实验表明,超导量子模拟器是能够产生平衡和非平衡态的分子光谱,可靠地产生分子的振动结构。此外,我们的量子模拟器不仅适用于具有广泛的电子-振动耦合强度的分子,其特征在于由黄-里斯参数,但也不容易在正常的实验室条件下访问的分子光谱。这些结果指出了一个新的方向,预测和理解分子光谱学,利用量子模拟的力量。

英文摘要:

Spectroscopy is a crucial laboratory technique for understanding quantum systems through their interactions with electromagnetic radiation. Particularly, spectroscopy is capable of revealing the physical structure of molecules, leading to the development of the maser - the forerunner of the laser. However, real-world applications of molecular spectroscopy are mostly confined to equilibrium states, due to computational and technological constraints; a potential breakthrough can be achieved by utilizing the emerging technology of quantum simulation. Here we experimentally demonstrate that a superconducting quantum simulator is capable of generating molecular spectra for both equilibrium and non-equilibrium states, reliably producing the vibronic structure of the molecules. Furthermore, our quantum simulator is applicable not only to molecules with a wide range of electronic-vibronic coupling strength characterized by the Huang-Rhys parameter, but also to molecular spectra not readily accessible under normal laboratory conditions. These results point to a new direction for predicting and understanding molecular spectroscopy, exploiting the power of quantum simulation.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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