Berrah N, Fang L, Osipov T, Jurek Z, Murphy B F, Santra R
Department of Physics, University of Connecticut, Storrs, CT 06269, USA.
Faraday Discuss. 2014;171:471-85. doi: 10.1039/c4fd00015c. Epub 2014 Oct 14.
The understanding of physical and chemical changes at an atomic spatial scale and on the time scale of atomic motion is essential for a broad range of scientific fields. A new class of femtosecond, intense, short wavelength lasers, the free electron lasers, has opened up new opportunities to investigate dynamics in many areas of science. For chemical dynamics to advance however, a rigorous, quantitative understanding of dynamical effects due to intense X-ray exposure is also required. We illustrate this point by reporting here an experimental and theoretical investigation of the interaction of C(60) molecules with intense X-ray pulses, in the multiphoton regime. We also describe the potential of new available instrumentation and explore their potential impact in physical, chemical and biological sciences when they are coupled with emerging photon technologies.
在原子空间尺度和原子运动时间尺度上理解物理和化学变化，对于广泛的科学领域至关重要。一类新型的飞秒、高强度、短波长激光器——自由电子激光器，为研究许多科学领域的动力学开辟了新机遇。然而，要推动化学动力学发展，还需要对强X射线照射引起的动力学效应有严格、定量的理解。我们在此通过报告C(60)分子与多光子 regime 中的强X射线脉冲相互作用的实验和理论研究来说明这一点。我们还描述了新可用仪器的潜力，并探讨了它们与新兴光子技术结合时在物理、化学和生物科学中的潜在影响。
