Similar Publications
Anisotropic Flow in Fixed-Target ^{208}Pb+^{20}Ne Collisions as a Probe of Quark-Gluon Plasma.
Phys Rev Lett
February 2025
Université Paris-Saclay, IRFU, CEA, 91191 Gif-sur-Yvette, France.
The System for Measuring Overlap with Gas (SMOG2) at the LHCb detector enables the study of fixed-target ion-ion collisions at relativistic energies (sqrt[s_{NN}]∼100 GeV in the center of mass). With input from ab initio calculations of the structure of ^{16}O and ^{20}Ne, we compute 3+1D hydrodynamic predictions for the anisotropic flow of Pb+Ne and Pb+O collisions to be tested with upcoming LHCb data. This will allow the detailed study of quark-gluon plasma formation as well as experimental tests of the predicted nuclear shapes.
View Article and Find Full Text PDFFast and reliable probabilistic reflectometry inversion with prior-amortized neural posterior estimation.
Sci Adv
March 2025
Institute of Applied Physics, University of Tübingen, Tübingen, Germany.
Reconstructing the structure of thin films and multilayers from measurements of scattered x-rays or neutrons is key to progress in physics, chemistry, and biology. However, finding all structures compatible with reflectometry data is computationally prohibitive for standard algorithms, which typically results in unreliable analysis with only a single potential solution identified. We address this lack of reliability with a probabilistic deep learning method that identifies all realistic structures in seconds, redefining standards in reflectometry.
View Article and Find Full Text PDFRumor propagation in the framework of evolutionary game analysis.
Chaos
March 2025
The School of Science, Harbin Institute of Technology, Shenzhen Graduate School, Shenzhen, China 518055.
With the ubiquity of social networks, rumors spread easily, leading to increasing attention on their dissemination. In this context, the spread of rumors is influenced not only by the content of the information itself but also by the behavior of various actors over social networks. To model such a process, we propose a novel rumor propagation interaction model.
View Article and Find Full Text PDFVortex reversal is a precursor of confined bacterial turbulence.
Proc Natl Acad Sci U S A
March 2025
Department of Physics, School of Science, The University of Tokyo, Bunkyo-ku, Tokyo 113-0033, Japan.
Active turbulence, or chaotic self-organized collective motion, is often observed in concentrated suspensions of motile bacteria and other systems of self-propelled interacting agents. To date, there is no fundamental understanding of how geometrical confinement orchestrates active turbulence and alters its physical properties. Here, by combining large-scale experiments, computer modeling, and analytical theory, we have identified a generic sequence of transitions occurring in bacterial suspensions confined in cylindrical wells of varying radii.
View Article and Find Full Text PDFIntegrative spatiotemporal modeling of biomolecular processes: Application to the assembly of the nuclear pore complex.
Proc Natl Acad Sci U S A
March 2025
Department of Bioengineering and Therapeutic Sciences, Quantitative Biosciences Institute, University of California, San Francisco, CA 94143.
Dynamic processes involving biomolecules are essential for the function of the cell. Here, we introduce an integrative method for computing models of these processes based on multiple heterogeneous sources of information, including time-resolved experimental data and physical models of dynamic processes. First, for each time point, a set of coarse models of compositional and structural heterogeneity is computed (heterogeneity models).
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