RETRACTED: Influence of the shape of ultrashort X-ray pulses on diffraction in polyatomic systems
ОТОЗВАНО: Влияние формы ультракоротких рентгеновских импульсов на дифракцию в многоатомных системах
2026-01-09
SCID: 54.1/rzu8fg9e
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X-ray scatteringattosecond pulsespolyatomic systemspulse shapeultrashort X-ray pulses
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Abstract (AI)
The use of ultrashort X-ray pulses in studying the structure of matter has recently gained increasing relevance due to the emergence of new sources of such pulses. Pulse duration is typically rarely considered in structural studies, and the influence of its shape remains virtually unexplored. This article demonstrates that, when scattering ultrashort X-ray pulses on polyatomic systems, pulse shape is an important characteristic when using attosecond pulses. It is also shown that the influence of pulse shape on scattering spectra can be represented in a simple analytical form. As an example, the scattering of three ultrashort pulses of different shapes by a diamond crystal with NV centers and a fragment of a DNA molecule is considered.
Key Findings
1
Pulse duration and shape are generally underconsidered in structural studies, despite their relevance for emerging ultrashort X-ray sources.
2
Pulse shape significantly influences diffraction from polyatomic systems when attosecond X-ray pulses are used.
3
The influence of ultrashort-pulse shape on scattering spectra can be expressed in a simple analytical form.
4
The study demonstrates pulse-shape effects using three differently shaped ultrashort pulses scattered by diamond with NV centers and a DNA fragment.
Research Object
Scattering of ultrashort X-ray pulses by polyatomic systems, specifically a diamond crystal with NV centers and a DNA molecule fragment
Research Subject
Influence of ultrashort X-ray pulse shape, especially for attosecond pulses, on diffraction and scattering spectra, including its analytical representation
Publication Details
Publication Date
2026-01-09
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