Lidice Cruz-Rodriguez, Diptesh Dey, Antonia Freibert, Philipp Stammer
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The ability to manipulate and observe phenomena on attosecond timescales has yielded groundbreaking insights into electron dynamics and the behaviour of matter exposed to intense light fields. The interdisciplinary field of attosecond science connects various research areas, including quantum optics, quantum chemistry and quantum information science. However, the intrinsic quantum effects in attosecond science have been largely ignored. In this Perspective, we discuss the latest theoretical and experimental advances in exploring and understanding quantum phenomena within attosecond science. We focus on distinguishing genuinely quantum observations from classical phenomena in the context of high-harmonic generation and above-threshold ionization. Additionally, we illuminate the often overlooked yet important role of entanglement in attosecond processes, elucidating its influence on experimental outcomes. Attosecond science is a versatile discipline for studying ultrafast dynamics in matter on the microscopic scale. This Perspective explores the theoretical and experimental developments in this field focusing on distinguishing genuinely quantum observations from classical phenomena.
期刊介绍:
Nature Reviews Physics is an online-only reviews journal, part of the Nature Reviews portfolio of journals. It publishes high-quality technical reference, review, and commentary articles in all areas of fundamental and applied physics. The journal offers a range of content types, including Reviews, Perspectives, Roadmaps, Technical Reviews, Expert Recommendations, Comments, Editorials, Research Highlights, Features, and News & Views, which cover significant advances in the field and topical issues. Nature Reviews Physics is published monthly from January 2019 and does not have external, academic editors. Instead, all editorial decisions are made by a dedicated team of full-time professional editors.