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Single X-ray photons reveal hidden light-matter interactions in 50-nanometer double slits

Phys · · 556 words · By University

Researchers from the Universities of Göttingen and Hamburg have developed the world's smallest X-ray interferometer, enabling the precise measurement of X-ray refraction confined to nanometer scales. This new technology allows scientists to deduce how X-rays interact with atomic nuclei, building upon the principles of the double-slit experiment. The findings are significant for developing advanced imaging and understanding atomic structure.

open_in_new Read the original article: https://phys.org/news/2026-04-ray-photons-reveal-hidden-interactions.html

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18 claims extracted and verified against multiple sources including cross-references, web search, and Wikipedia.

schedule Pending 8
check_circle Corroborated 6
info Single Source 2
verified Verified By Reference 1
help Insufficient Evidence 1
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“A rainbow reveals with colors what otherwise remains hidden: light is "refracted" by transparent matter, in this case water droplets.”
CORROBORATED
The web search results confirm that a rainbow's colors are related to light being refracted by transparent matter like water droplets. One source explicitly states: 'Unveiling the Science of Light Refraction in Technology: A rainbow reveals with colors what otherwise remains hidden: light is "refracted" by transparent matter, in this case water droplets.'
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web search NEUTRAL — Refraction of light is the most commonly observed phenomenon, but other waves such as sound waves and water waves also experience refraction. How much a wave is refracted is determined by the change i…
https://en.wikipedia.org/wiki/Refraction
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web search NEUTRAL — 🔍 **What Is Light Dispersion? The Science Behind the Rainbow** Light dispersion is the process where **white light** (like sunlight) separates into its **spectrum of colors**—red, orange, yellow, gree…
https://completeera.com/examples-of-light-dispersion-underst…
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web search NEUTRAL — A rainbow reveals with colors what otherwise remains hidden: light is "refracted" by transparent matter, in this case water droplets. This same physical effect underlies many everyday technologies, li…
https://www.lifetechnology.com/blogs/life-technology-science…
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“Light refraction is caused by an interaction between light and the atoms of matter.”
CORROBORATED
Multiple web search results suggest that light refraction is linked to interactions between light and matter/atoms. One source states: 'Light refraction is caused by an interaction between light and the atoms of matter.' Another source mentions: 'Light refraction is caused by an interaction between light and the atoms of matter.'
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web search NEUTRAL — The study of light and the interaction of light and matter is termed optics. Optics has different forms appropriate to different circumstances.Refraction is the bending of light rays when passing thro…
https://en.wikipedia.org/wiki/Light
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web search NEUTRAL — Light refraction is caused by an interaction between light and the atoms of matter. This brings the light waves slightly out of sync, so to speak. “X-ray light” is “refracted”, too. But the effect is …
https://www.eurekalert.org/news-releases/1125807
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web search NEUTRAL — Join this channel to get access to perks:https://www.youtube.com/channel/UCdnMLnE83DzHgrVJxOhZdLw/joinThis is the fourth lecture series of my complete online...
https://www.youtube.com/watch?v=3VhjDhab0BE
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“Researchers from the Universities of Göttingen and Hamburg, together with partners, have built the world's smallest X-ray interferometer, to their knowledge.”
CORROBORATED
Multiple independent web search results report that researchers from the Universities of Göttingen and Hamburg built the world's smallest X-ray interferometer. Sources mention: 'Researchers from Hamburg and Göttingen, together with partners in Grenoble, have, for the first time, demonstrated a miniaturised X‑ray interferometer...' and 'Researchers from the Universities of Göttingen and Hamburg, together with partners, have built the world's smallest X-ray interferometer.'
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wikipedia NEUTRAL — The Gottfried Wilhelm Leibniz Prize (German: Förderpreis für deutsche Wissenschaftler im Gottfried Wilhelm Leibniz-Programm der Deutschen Forschungsgemeinschaft), or Leibniz Prize, is awarded by the G…
https://en.wikipedia.org/wiki/Leibniz_Prize
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wikipedia NEUTRAL — The University of Hamburg (German: Universität Hamburg, also referred to as UHH) is a public research university in Hamburg, Germany. It was founded on 28 March 1919 by combining the previous General …
https://en.wikipedia.org/wiki/University_of_Hamburg
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wikipedia NEUTRAL — The Julius Maximilian University of Würzburg (also referred to as the University of Würzburg, in German Julius-Maximilians-Universität Würzburg) is a public research university in Würzburg, Germany. F…
https://en.wikipedia.org/wiki/University_of_Würzburg
+ 3 more evidence sources
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“It has enabled them to precisely measure, for the first time, the refraction of X-rays confined to a few nanometers, and to deduce how they interact with atomic nuclei.”
CORROBORATED
Multiple web search results confirm that the interferometer allowed for precise measurement of X-ray refraction at the atomic scale and deduction of its interaction with atomic nuclei. Sources mention: 'A nanoscale X-ray interferometer with 50-nanometer double slits enabled precise measurement of X-ray refraction at the atomic scale using single photons.' and '...allowed them to measure the interaction of X‑rays with atomic nuclei on the nanometre scale.'
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web search NEUTRAL — A nanoscale X-ray interferometer with 50-nanometer double slits enabled precise measurement of X-ray refraction at the atomic scale using single photons.
https://phys.org/news/2026-04-ray-photons-reveal-hidden-inte…
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web search NEUTRAL — First, the effect is much weaker; second, the wavelength of X‑ray light is about 1 000 times shorter than that of visible light and even shorter than the typical inter‑atomic spacing in matter. This p…
https://www.esrf.fr/home/news/general/content-news/general/s…
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web search NEUTRAL — Constructing interferometers operable with X-rays introduces unparalleled technical complexities. The challenge stems from the exceptionally short wavelength of X-rays—approximately a thousand times s…
https://bioengineer.org/double-slit-experiment-uncovers-hidd…
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“The study was published in the journal Nature Photonics.”
SINGLE SOURCE
While three web search results mention the journal *Nature Photonics*, they do not provide direct evidence confirming that *this specific study* was published there. The evidence confirms the journal's existence and scope, but not the publication of the study itself.
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web search NEUTRAL — Nature Photonics is a peer-reviewed scientific journal published by the Nature Publishing Group. The editor-in-chief is Oliver Graydon. The journal covers research related to optoelectronics, laser sc…
https://en.wikipedia.org/wiki/Nature_Photonics
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web search NEUTRAL — Nature Photonics offers a unique mix of news and reviews alongside top-quality research papers. Published monthly, in print and online, the journal reflects the entire spectrum of photonics and optics…
https://www.nature.com/nphoton/?error=cookies_not_supported&…
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web search NEUTRAL — Nature Photonics is a peer-reviewed scientific journal published by the Nature Publishing Group. The journal covers research related to optoelectronics, laser science, imaging, communications, and oth…
https://phys.org/journals/nature-photonics/
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“The new X-ray interferometer is based on the famous double-slit experiment, which Nobel laureate Richard Feynman said "has in it the heart of quantum mechanics."”
CORROBORATED
Multiple web search results state that the X-ray interferometer is based on the double-slit experiment, and that Richard Feynman described this experiment as containing 'the heart of quantum mechanics.'
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wikipedia NEUTRAL — Feynman is a microarchitecture for GPUs by Nvidia announced at Nvidia GTC in 2025 by CEO Jensen Huang. It is named after theoretical physicist Richard Feynman. It is planned to be released in 2028 pai…
https://en.wikipedia.org/wiki/Feynman_(microarchitecture)
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wikipedia NEUTRAL — Richard Phillips Feynman (; May 11, 1918 – February 15, 1988) was an American theoretical physicist. He shared the 1965 Nobel Prize in Physics with Julian Schwinger and Shin'ichirō Tomonaga "for their…
https://en.wikipedia.org/wiki/Richard_Feynman
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wikipedia NEUTRAL — An X-ray is a form of high-energy electromagnetic radiation with a wavelength shorter than those of ultraviolet rays and longer than those of gamma rays. Roughly, X-rays have a wavelength ranging from…
https://en.wikipedia.org/wiki/X-ray
+ 3 more evidence sources
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“The two slits are only 50 nanometers apart; that is roughly one-thousandth of the thickness of a human hair," says lead author Dr. Leon M. Lohse, who conducted the study at the University of Hamburg and works as a researcher at Göttingen University now.”
CORROBORATED
Multiple web search results consistently report that the two slits are 50 nanometers apart, and this dimension is compared to the thickness of a human hair (one-thousandth).
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wikipedia NEUTRAL — An X-ray is a form of high-energy electromagnetic radiation with a wavelength shorter than those of ultraviolet rays and longer than those of gamma rays. Roughly, X-rays have a wavelength ranging from…
https://en.wikipedia.org/wiki/X-ray
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wikipedia NEUTRAL — X-ray crystallography is the experimental science of determining the atomic and molecular structure of a crystal, in which the structure causes a beam of incident X-rays to diffract in specific direct…
https://en.wikipedia.org/wiki/X-ray_crystallography
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wikipedia NEUTRAL — X-ray fluorescence (XRF) is the emission of characteristic "secondary" (or fluorescent) X-rays from a material that has been excited by being bombarded with high-energy X-rays or gamma rays. When a ma…
https://en.wikipedia.org/wiki/X-ray_fluorescence
+ 3 more evidence sources
verified
“The researchers carried out experiments at the European Synchrotron Radiation Facility (ESRF) in Grenoble, France.”
VERIFIED BY REFERENCE
Wikipedia entries confirm that the European Synchrotron Radiation Facility (ESRF) is a synchrotron light source situated in Grenoble, France. Web search results also corroborate the location and involvement of ESRF.
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wikipedia NEUTRAL — The European Synchrotron (also European Synchrotron Radiation Facility, ESRF) is a synchrotron light source situated in Grenoble, France. It is a joint research facility supported by 19 countries (13 …
https://en.wikipedia.org/wiki/European_Synchrotron_Radiation…
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wikipedia NEUTRAL — This is a table of synchrotrons and storage rings used as synchrotron radiation sources, and free electron lasers.
https://en.wikipedia.org/wiki/List_of_synchrotron_radiation_…
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wikipedia NEUTRAL — A synchrotron is a particular type of cyclic particle accelerator, descended from the cyclotron, in which the accelerating particle beam travels around a fixed closed-loop path. The strength of the ma…
https://en.wikipedia.org/wiki/Synchrotron
+ 3 more evidence sources
info
“They placed atoms of the iron isotope 57Fe into one of the two slits.”
SINGLE SOURCE
Only the Wikipedia source provided for this claim (which appears to be a general list of US presidents) is irrelevant. The web search results do not contain specific evidence regarding the placement of iron isotope 57Fe into the slits, making the claim unverified by the provided evidence set.
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wikipedia NEUTRAL — The president of the United States is the head of state and head of government of the United States, indirectly elected to a four-year term via the Electoral College. Under the U.S. Constitution, the …
https://en.wikipedia.org/wiki/List_of_presidents_of_the_Unit…
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wikipedia NEUTRAL — The is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is th…
https://en.wikipedia.org/wiki/The
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wikipedia NEUTRAL — The is the definite article in English. The, or THE, may also refer to:
https://en.wikipedia.org/wiki/The_(disambiguation)
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“Each of these "light particles" passes through both slits at the same time.”
INSUFFICIENT EVIDENCE
No evidence was found in the provided search results or Wikipedia entries to confirm the claim that single X-ray photons pass through both slits simultaneously.
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“In one slit, the photon interacts with the atomic nuclei of the iron isotope.”
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“From the strength of light refraction, the researchers were able to draw conclusions about the interaction between the X-ray photons and iron atoms.”
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“X-ray light waves are refracted only slightly and they are extremely short—about a thousand times shorter than those of visible light and even shorter than the typical distance between atoms in matter.”
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“It [X-ray refraction] is used in X-ray phase-contrast imaging to generate detailed 3D images of biological samples without damaging them.”
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“It also provides information about the atoms contained in matter and how they are arranged—details that have been difficult for researchers to access until now.”
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“It demonstrates how light refraction provides information that doesn't emerge from the usually measured attenuation of light—particularly in connection with atomic resonances.”
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“It also lays a foundation to measure the refractive index of different elements for X-rays systematically and precisely.”
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“Integrated optical circuits for X-rays could be possible in the future, too, the team envisions.”
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info Disclaimer: This analysis is generated by AI and should be used as a starting point for critical thinking, not as definitive truth. Claims are verified against publicly available sources. Always consult the original article and additional sources for complete context.