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Attosecond-resolved quantum fluctuations of light and matter
Matan Even Tzur, Chen Mor, Noa Yaffe, Michael Birk, Andrei Rasputnyi, Omer Kneller, Ido Nisim, Ido Kaminer, Maria Chekhova, Michael Krueger, Misha Ivanov, Nirit Dudovich, Oren Cohen
https://arxiv.org/abs/2511.18362 https://arxiv.org/pdf/2511.18362 https://arxiv.org/html/2511.18362
arXiv:2511.18362v1 Announce Type: new
Abstract: Until recently, attosecond optical spectroscopy and quantum optics evolved along non-overlapping directions. In attosecond science, attosecond pulses have been regarded as classical waves, applied to probe electron dynamics on their natural time scale. Here, we transfer fundamental concepts of quantum optics into attosecond physics, enabling control of both the properties of the XUV attosecond pulses and the quantum fluctuations of matter on attosecond time scales. By combining bright squeezed vacuum (BSV) with a strong laser field to drive high-harmonic generation, we transfer the quantum properties of the BSV onto the resulting XUV attosecond pulses. Applying advanced attosecond interferometry, we reconstruct the quantum state of the XUV high harmonics and their associated attosecond pulses with attosecond precision. Finally, we resolve the squeezing of the electron's wavepacket during one of the most fundamental strong-field phenomena - field induced tunneling. The ability to measure and control quantum correlations in both electrons and XUV attosecond pulses establishes a foundation for attosecond quantum electrodynamics, manipulating the quantum state of electrons and photons with sub-cycle precision.
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Average-case quantum complexity from glassiness
Alexander Zlokapa, Bobak T. Kiani, Eric R. Anschuetz
https://arxiv.org/abs/2510.08497 https://arxiv.org/pdf…

Average-case quantum complexity from glassiness
Glassiness -- a phenomenon in physics characterized by a rough free-energy landscape -- implies hardness for stable classical algorithms. For example, it can obstruct constant-time Langevin dynamics and message-passing in random $k$-SAT and max-cut instances. We provide an analogous framework for average-case quantum complexity showing that a natural family of quantum algorithms (e.g., Lindbladian evolution) fails for natural Hamiltonian ensembles (e.g., random 3-local Hamiltonians). Specifical…

Constraining neutrino electromagnetic properties with recent low-energy electron recoil data at dark matter direct detection experiments
M. Demirci, H. I. Sezer, M. F. Mustamin, A. B. Balantekin
https://arxiv.org/abs/2510.12449

Constraining neutrino electromagnetic properties with recent low-energy electron recoil data at dark matter direct detection experiments
Neutrinos that are elastically scattered off atomic electrons provide a unique opportunity to investigate the Standard Model (SM) and beyond SM physics. In this work, we explore the new physics effects of neutrino electromagnetic properties through elastic neutrino-electron scattering using solar neutrinos at the low energy range of PandaX-4T and XENONnT experiments. The properties of interest include the neutrino magnetic moment, millicharge, and charge radius, all of which are natural consequ…

Two Types of Natural Kind Discovery: Nobel Meets Kuhn
Samuel Schindler
https://arxiv.org/abs/2510.09069 https://arxiv.org/pdf/2510.09069

Two Types of Natural Kind Discovery: Nobel Meets Kuhn
Philosophers have spilled much ink over the discovery of ideas in the classical 'context of discovery'. However, there has been little engagement with the question of what constitutes a discovery of 'things in the world'. A much-overlooked answer to this question is provided by T.S. Kuhn. In this paper, I show that discoveries awarded with a Nobel Prize in Physics in the past 53 years accord with a basic premise of Kuhn's account and his distinction between two types of natural kind discoveries…

Can World Models Benefit VLMs for World Dynamics?
Kevin Zhang, Kuangzhi Ge, Xiaowei Chi, Renrui Zhang, Shaojun Shi, Zhen Dong, Sirui Han, Shanghang Zhang
https://arxiv.org/abs/2510.00855

Can World Models Benefit VLMs for World Dynamics?
Trained on internet-scale video data, generative world models are increasingly recognized as powerful world simulators that can generate consistent and plausible dynamics over structure, motion, and physics. This raises a natural question: with the advent of strong video foundational models, might they supplant conventional vision encoder paradigms for general-purpose multimodal understanding? While recent studies have begun to explore the potential of world models on common vision tasks, these…

Influence of Platinum Thin Films on the Photophysical and Quantum Properties of Near-Surface NV Centers
Joachim P. Leibold (Department of Chemistry, School of Natural Sciences, Technical University of Munich, Garching, Germany), Lina M. Todenhagen (Walter Schottky Institute, Technical University of Munich, Garching, Germany), Matthias Althammer (Walther-Mei{\ss}ner-Institute, Bavarian Academy of Sciences and Humanities, Garching, Germany), Nikhita Khera (Department of Physics and Resea…

Influence of Platinum Thin Films on the Photophysical and Quantum Properties of Near-Surface NV Centers
Nitrogen-vacancy (NV) centers in diamond are optically addressable spin defects with great potential for nanoscale quantum sensing. A key application of NV centers is the detection of external spins at the diamond surface. Among metals, platinum thin films - widely used in spintronics, catalysis and electrochemistry - provide a particularly interesting system for such studies. However, the interaction between NV centers and metals is known to affect their quantum sensing capabilities. In this w…

Rational Compact Modeling of Transient Forced Laminar Convection
M. N. Sabry, A. E. Hussin
https://arxiv.org/abs/2510.03411 https://arxiv.org/pdf/2510.0341…

Rational Compact Modeling of Transient Forced Laminar Convection
Although transient convection is ubiquitous in natural and manmade phenomena, few research works attempted to make a compact model for it, altogether, others attempted a compact model that contradicts problem physics. The correct modelling pattern is deduced here analytically for a simple geometry, but it can readily be used for many common applications such as the transient heating of an evacuated solar tube due to temporary cloud shading or for a more precise model of transient building wall …

A Solution to the Hierarchy Problem with Non-Linear Quantum Mechanics
David E. Kaplan, Surjeet Rajendran
https://arxiv.org/abs/2510.12030 https://arxiv.org…

A Solution to the Hierarchy Problem with Non-Linear Quantum Mechanics
We argue that the hierarchy problem of the standard model of particle physics can be solved by adding a state-dependent term to the Higgs sector. We present an example of a scalar field with a Higgs-like potential with an additional term proportional to the expectation value of the squared Higgs field operator. We show that the mass can be parametrically lighter than the theory's energy-momentum cutoff without fine tuning. We find the Higgs mass can be technically natural, even with a Planck-sc…

Reducing Simulation Dependence in Neutrino Telescopes with Masked Point Transformers
Felix J. Yu, Nicholas Kamp, Carlos A. Arg\"uelles
https://arxiv.org/abs/2510.01733 http…

Reducing Simulation Dependence in Neutrino Telescopes with Masked Point Transformers
Machine learning techniques in neutrino physics have traditionally relied on simulated data, which provides access to ground-truth labels. However, the accuracy of these simulations and the discrepancies between simulated and real data remain significant concerns, particularly for large-scale neutrino telescopes that operate in complex natural media. In recent years, self-supervised learning has emerged as a powerful paradigm for reducing dependence on labeled datasets. Here, we present the fir…

Quantum Fisher information matrices from R\'enyi relative entropies
Mark M. Wilde
https://arxiv.org/abs/2510.02218 https://arxiv.org/pdf/2510.02218

Quantum Fisher information matrices from Rényi relative entropies
Quantum generalizations of the Fisher information are important in quantum information science, with applications in high energy and condensed matter physics and in quantum estimation theory, machine learning, and optimization. One can derive a quantum generalization of the Fisher information matrix in a natural way as the Hessian matrix arising in a Taylor expansion of a smooth divergence. Such an approach is appealing for quantum information theorists, given the ubiquity of divergences in qua…

Amplification and Detection of Single Itinerant Microwave Photons
Lukas Danner (German Aerospace Center, Institute for Complex Quantum Systems and IQST, University of Ulm, Ulm, Germany), Max Hofheinz (Institut Quantique, Universit\'e de Sherbrooke, Sherbrooke, Qu\'ebec, Canada), Nicolas Bourlet (Institut Quantique, Universit\'e de Sherbrooke, Sherbrooke, Qu\'ebec, Canada), Ciprian Padurariu (Institute for Complex Quantum Systems and IQST, University of Ulm, Ulm, Germany…

Amplification and Detection of Single Itinerant Microwave Photons
Single-photon detectors are an essential part of the toolbox of modern quantum optics for implementing quantum technologies and enabling tests of fundamental physics. The low energy of microwave photons, the natural signal path for superconducting quantum devices, makes their detection much harder than for visible light. Despite impressive progress in recent years and the proposal and realization of a number of different detector architectures, the reliable detection of a single itinerant micro…