Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Frontiers in Optics

Attosecond Clocking of Many-Body Correlations in Quantum Materials

Markus Borsch, Josef Freudenstein, Manuel Meierhofer, R. Huber, M. Kira

Published Jan 1, 2023• 0 citations
Publisher

Abstract

Our experiment-theory advancements directly detect many-body correlations of quantum materials at attosecond time scales for the first time. Wigner functions provide direct and intuitive view on the many-body dynamics predicted by our theory.
DOI
10.1364/ls.2023.lw1f.2

Related papers

Attoclocked Many-Body Correlations in Quantum Materials

Markus Borsch, Josef Freudenstein, Manuel Meierhofer +2 more

Theory–experiment advancements are demonstrated to resolve many-body correlations of quantum materials at attosecond time scales. Our theoretical analysis provides an exact view into the microscopic many-body dynamics presented intuitively via a Wigner-function analysis.

•Jan 1, 2023•0 citations

Attosecond science: a new era for many-body physics

Jens Biegert

The properties and the functionality of materials and devices, or chemical reactions, are determined by the microscopic interaction of their building blocks, i.e., between electrons, holes, and nuclei. Thus, understanding the many-body interaction between these fundamental building blocks holds the key to advancing fundamental science and, at the same time, directly leads to applications. Attosecond science now provides an entirely new view into the quantum many-body interaction of these microscopic building blocks.

Europhysics news•Jan 1, 2024•1 citation

Accessing correlated electron motion on the attosecond timescale

Johannes Feist

Bulletin of the American Physical Society•Feb 27, 2012•0 citations

Nano-refraction Analysis for Advanced Materials: A Theoretical Roadmap for Quantum Computers

Hassan Kaatuzian

We are now in the beginning of quantum supremacy to build Quantum Computers (Q.C.). So, a theoretical roadmap is required. It seems experimental works in Q.C. is ahead, in comparison with theory. In this study, Nano-Refraction (N.R.), as basic concept in developing Quantum Photonic Computers (Q.P.C.), is defined and discussed. N.R., is quite different from classical macroscopic refraction. It plays major role in photon deflection, when it travels in few atomic layers from the boundary between two transparent materials. Specifically, when we’re looking for a theoretically intuitive explanation of how advanced materials work in atomic scales in atto-second regime. To explain N.R., mathematically, Quantum Electrodynamics (QED) may help. But QED, only can describe how N.R. occurs in Hilbert space and does not explain why it happens in Real space? Why attosecond optical pulses are squeezed in kilometers long optical fibers coiled in first reported development of Q.C. in 2020. Also, “Duality” has no reply in this area. For answering why?, in this paper, we’ll use Quantum Photonic (Q.P.) theoretical analysis. Q.P., is based on Bohmian mechanics with intuition physics belief and “Causality”. Bohm theory in shadow of Quantum Mechanics (Q.M.) has been mostly ignored and even boycotted during last 70 years. Q.P. corpuscular viewpoint of light, estimated both physically and mathematically with enough precision, that flight route of photons at first few molecular surfaces in boundary region is not refracted suddenly. As can be observed macroscopically in Snell’s refraction equation. But instead, N.R. is happened gradually in attosecond regime (figure 2). Finally, it asymptotes to macroscopic refraction, in large space-time scales according to “correspondence” principle. Errors in our theoretical analysis using Montecarlo time domain simulation, compared with experiments, always are much less than or at most five percent.

Advanced Materials Science and Technology•Jan 1, 2020•3 citations

Attosecond real-time observation of electron tunnelling and multi-electron dynamics in atoms

M. Schuttze, Matthias Uiberacker, Thorsten Uphues +15 more

•Jan 1, 2007•0 citations

Unified Field Information Theory (UFIT): Temporal Dynamics of Pre-Resonance as a Mechanism for Quantum Correlation (v1.0)

Daniel Süß

This paper presents the foundational framework of Unified Field Information Theory (UFIT), a phenomenological model describing quantum entanglement as a time-dependent dynamical process rather than an instantaneous correlation. Central to the theory is the postulate of a finite settling time for the pre-resonance field \Lambda(t). Using a second-order damped field equation (the Translator equation), the model predicts a specific characteristic time scale of \tau \approx 38 femtoseconds for photons in the visible spectrum. This version establishes the Z-plane framework, where correlations are viewed as a synchronization process between a metric-free information plane and physical spacetime. The work offers a falsifiable prediction: Bell inequality violations (S > 2) only emerge after this characteristic time scale, which can be tested via attosecond-resolved coincidence measurements.

•Jan 27, 2026•0 citations
The properties and the functionality of materials and devices, or chemical reactions, are determined by the microscopic interaction of their building blocks, i.e., between electrons, holes, and nuclei. Thus, understanding the many-body interaction between these fundamental building blocks holds the key to advancing fundamental science and, at the same time, directly leads to applications. Attosecond science now provides an entirely new view into the quantum many-body interaction of these microscopic building blocks.
We are now in the beginning of quantum supremacy to build Quantum Computers (Q.C.). So, a theoretical roadmap is required. It seems experimental works in Q.C. is ahead, in comparison with theory. In this study, Nano-Refraction (N.R.), as basic concept in developing Quantum Photonic Computers (Q.P.C.), is defined and discussed. N.R., is quite different from classical macroscopic refraction. It plays major role in photon deflection, when it travels in few atomic layers from the boundary between two transparent materials. Specifically, when we’re looking for a theoretically intuitive explanation of how advanced materials work in atomic scales in atto-second regime. To explain N.R., mathematically, Quantum Electrodynamics (QED) may help. But QED, only can describe how N.R. occurs in Hilbert space and does not explain why it happens in Real space? Why attosecond optical pulses are squeezed in kilometers long optical fibers coiled in first reported development of Q.C. in 2020. Also, “Duality” has no reply in this area. For answering why?, in this paper, we’ll use Quantum Photonic (Q.P.) theoretical analysis. Q.P., is based on Bohmian mechanics with intuition physics belief and “Causality”. Bohm theory in shadow of Quantum Mechanics (Q.M.) has been mostly ignored and even boycotted during last 70 years. Q.P. corpuscular viewpoint of light, estimated both physically and mathematically with enough precision, that flight route of photons at first few molecular surfaces in boundary region is not refracted suddenly. As can be observed macroscopically in Snell’s refraction equation. But instead, N.R. is happened gradually in attosecond regime (figure 2). Finally, it asymptotes to macroscopic refraction, in large space-time scales according to “correspondence” principle. Errors in our theoretical analysis using Montecarlo time domain simulation, compared with experiments, always are much less than or at most five percent.
This paper presents the foundational framework of Unified Field Information Theory (UFIT), a phenomenological model describing quantum entanglement as a time-dependent dynamical process rather than an instantaneous correlation. Central to the theory is the postulate of a finite settling time for the pre-resonance field \Lambda(t). Using a second-order damped field equation (the Translator equation), the model predicts a specific characteristic time scale of \tau \approx 38 femtoseconds for photons in the visible spectrum. This version establishes the Z-plane framework, where correlations are viewed as a synchronization process between a metric-free information plane and physical spacetime. The work offers a falsifiable prediction: Bell inequality violations (S > 2) only emerge after this characteristic time scale, which can be tested via attosecond-resolved coincidence measurements.