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Information Propagation in Multilayer Systems with Higher-Order Interactions across Timescales
Giorgio Nicoletti and Daniel Maria Busiello
Phys. Rev. X 14, 021007 (2024) – Published 8 April 2024

A novel theoretical framework unravels how processes in complex systems that occur at different timescales are coupled together at the functional level by sharing information.

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Revealing Higher-Order Interactions in High-Dimensional Complex Systems: A Data-Driven Approach
M. Reza Rahimi Tabar, Farnik Nikakhtar, Laya Parkavousi, Amin Akhshi, Ulrike Feudel, and Klaus Lehnertz
Phys. Rev. X 14, 011050 (2024) – Published 18 March 2024

An innovative approach for analyzing complex systems sets the stage for a detailed understanding of the directions and strengths of pairwise and higher-order interactions in many fields ranging from neuroscience to finance to ecology.

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Featured in Physics 1 citation
Spatiotemporal Torquing of Light
S. W. Hancock, S. Zahedpour, A. Goffin, and H. M. Milchberg
Phys. Rev. X 14, 011031 (2024) – Published 28 February 2024
Physics logo Synopsis: Applying a Twist to Light

Researchers have determined the amount of transverse orbital angular momentum that a type of optical vortex carries per photon, an important step for future applications.

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Exact Analysis of the Subthreshold Variability for Conductance-Based Neuronal Models with Synchronous Synaptic Inputs
Logan A. Becker, Baowang Li, Nicholas J. Priebe, Eyal Seidemann, and Thibaud Taillefumier
Phys. Rev. X 14, 011021 (2024) – Published 16 February 2024

Achieving realistic subthreshold variability in a biophysical neuronal model requires low-level synchrony in its synaptic input drive, a finding that challenges current theories to explain spiking activity in cortical neurons.

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Featured in Physics 2 citations
Epidemic Spreading in Group-Structured Populations
Siddharth Patwardhan, Varun K. Rao, Santo Fortunato, and Filippo Radicchi
Phys. Rev. X 13, 041054 (2023) – Published 20 December 2023
Physics logo Synopsis: Epidemic Spreading in Multilayer Networks

Disease contagion is suppressed when different social groups have a large overlap in membership.

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Multiscale Data-Driven Energy Estimation and Generation
Tanguy Marchand, Misaki Ozawa, Giulio Biroli, and Stéphane Mallat
Phys. Rev. X 13, 041038 (2023) – Published 30 November 2023

A new multiscale approach allows for estimating high-dimensional probability distributions and fast sampling of many-body systems in various domains, from statistical physics to cosmology.

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1 citation
Learning Interacting Theories from Data
Claudia Merger, Alexandre René, Kirsten Fischer, Peter Bouss, Sandra Nestler, David Dahmen, Carsten Honerkamp, and Moritz Helias
Phys. Rev. X 13, 041033 (2023) – Published 20 November 2023

Models of systems in physics usually start with elementary processes. New work with a neural network shows how models can also be built by observing the system as a whole and deducing the underlying interactions.

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Featured in Physics 1 citation
Optimality Pressures toward Lateralization of Complex Brain Functions
Luís F. Seoane
Phys. Rev. X 13, 031028 (2023) – Published 13 September 2023
Physics logo Synopsis: Brain Asymmetry Driven by Task Complexity

A mathematical model shows how increased intricacy of cognitive tasks can break the mirror symmetry of the brain’s neural network.

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3 citations
Self-Learning Machines Based on Hamiltonian Echo Backpropagation
Víctor López-Pastor and Florian Marquardt
Phys. Rev. X 13, 031020 (2023) – Published 18 August 2023

A wide class of physical systems could be turned into learning machines, thanks to a new general approach to training them based entirely on physical dynamics combined with a time-reversal operation.

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Featured in Physics 4 citations
State of Cell Unjamming Correlates with Distant Metastasis in Cancer Patients
Pablo Gottheil, Jürgen Lippoldt, Steffen Grosser, Frédéric Renner, Mohamad Saibah, Dimitrij Tschodu, Anne-Kathrin Poßögel, Anne-Sophie Wegscheider, Bernhard Ulm, Kay Friedrichs, Christoph Lindner, Christoph Engel, Markus Löffler, Benjamin Wolf, Michael Höckel, Bahriye Aktas, Hans Kubitschke, Axel Niendorf, and Josef A. Käs
Phys. Rev. X 13, 031003 (2023) – Published 10 July 2023
Physics logo Viewpoint: Physics of Cancer Takes Shape

A concept in condensed-matter physics called jamming provides a possible prognostic tool for cancer.

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1 citation
Emergence of Geometric Turing Patterns in Complex Networks
Jasper van der Kolk, Guillermo García-Pérez, Nikos E. Kouvaris, M. Ángeles Serrano, and Marián Boguñá
Phys. Rev. X 13, 021038 (2023) – Published 22 June 2023

By describing network topology using an underlying geometric space, spatial Turing patterns can be found in the geometric embeddings of real networks.

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2 citations
A Nonlinear Fluctuation-Dissipation Test for Markovian Systems
Kirsten Engbring, Dima Boriskovsky, Yael Roichman, and Benjamin Lindner
Phys. Rev. X 13, 021034 (2023) – Published 12 June 2023

A new test for determining whether time-series data is Markovian overcomes limitations of existing techniques and lays a foundation for the simple classification of diverse nonequilibrium systems.

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Featured in Physics 3 citations
Molecular Tug of War Reveals Adaptive Potential of an Immune Cell Repertoire
Hongda Jiang and Shenshen Wang
Phys. Rev. X 13, 021022 (2023) – Published 10 May 2023
Physics logo Viewpoint: The Mechanical Struggle behind Adaptive Immunity

A study of the mechanical forces in certain immune cells may give new insights into how organisms deal with ever-evolving pathogens.

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Limits and Performances of Algorithms Based on Simulated Annealing in Solving Sparse Hard Inference Problems
Maria Chiara Angelini and Federico Ricci-Tersenghi
Phys. Rev. X 13, 021011 (2023) – Published 20 April 2023

A new theory, supported by large-scale numerical simulations, explores the conditions under which two Monte Carlo–based optimization algorithms can extract a signal from noisy data.

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Featured in Physics 2 citations
Appropriate Mechanical Confinement Inhibits Multipolar Cell Division via Pole-Cortex Interaction
Longcan Cheng, Jingchen Li, Houbo Sun, and Hongyuan Jiang
Phys. Rev. X 13, 011036 (2023) – Published 10 March 2023
Physics logo Focus: Four Walls Good, Two Walls Bad for Confined Cells

Segregation of chromosomes in dividing cells can be disrupted if the cells are constrained by their surroundings.

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28 citations
Thermodynamic Unification of Optimal Transport: Thermodynamic Uncertainty Relation, Minimum Dissipation, and Thermodynamic Speed Limits
Tan Van Vu and Keiji Saito
Phys. Rev. X 13, 011013 (2023) – Published 3 February 2023

A new, unified thermodynamic theory reveals an intimate relationship between optimal transport distances and stochastic and quantum thermodynamics in discrete-state systems.

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4 citations
Laser-Driven Neutron Generation Realizing Single-Shot Resonance Spectroscopy
A. Yogo, Z. Lan, Y. Arikawa, Y. Abe, S. R. Mirfayzi, T. Wei, T. Mori, D. Golovin, T. Hayakawa, N. Iwata, S. Fujioka, M. Nakai, Y. Sentoku, K. Mima, M. Murakami, M. Koizumi, F. Ito, J. Lee, T. Takahashi, K. Hironaka, S. Kar, H. Nishimura, and R. Kodama
Phys. Rev. X 13, 011011 (2023) – Published 31 January 2023

Experiments identify the mechanism that accelerates ions in a laser-driven neutron source (LDNS) as well as a scaling law for the neutron yield, key insights that move LDNS closer to practical neutron generation.

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Featured in Physics 4 citations
Forgetting Leads to Chaos in Attractor Networks
Ulises Pereira-Obilinovic, Johnatan Aljadeff, and Nicolas Brunel
Phys. Rev. X 13, 011009 (2023) – Published 27 January 2023
Physics logo Focus: Memories Become Chaotic before They Are Forgotten

A model for information storage in the brain reveals how memories decay with age.

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Featured in Physics 11 citations
Optical Guiding in 50-Meter-Scale Air Waveguides
A. Goffin, I. Larkin, A. Tartaro, A. Schweinsberg, A. Valenzuela, E. W. Rosenthal, and H. M. Milchberg
Phys. Rev. X 13, 011006 (2023) – Published 23 January 2023
Physics logo Viewpoint: Air Waveguide from “Donut” Laser Beams

A waveguide sculpted in air with lasers transmits light over a distance of nearly 50 meters, which is 60 times farther than previous air-waveguide schemes.

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10 citations
Tie-Line Analysis Reveals Interactions Driving Heteromolecular Condensate Formation
Daoyuan Qian, Timothy J. Welsh, Nadia A. Erkamp, Seema Qamar, Jonathon Nixon-Abell, Georg Krainer, Peter St. George-Hyslop, Thomas C. T. Michaels, and Tuomas P. J. Knowles
Phys. Rev. X 12, 041038 (2022) – Published 30 December 2022

A new method for determining the ratios and interaction strengths among compounds that form biomolecular condensates relies on measurements of just one solute in one phase.

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Featured in Physics 10 citations
Transverse Electron-Beam Shaping with Light
Marius Constantin Chirita Mihaila, Philipp Weber, Matthias Schneller, Lucas Grandits, Stefan Nimmrichter, and Thomas Juffmann
Phys. Rev. X 12, 031043 (2022) – Published 26 September 2022
Physics logo Viewpoint: Shining Light on Electron Microscopy

A new method that uses laser light to both generate and shape electron beams could improve the resolution of electron microscopy.

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Featured in Physics 5 citations
Geometry Adaptation of Protrusion and Polarity Dynamics in Confined Cell Migration
David B. Brückner, Matthew Schmitt, Alexandra Fink, Georg Ladurner, Johannes Flommersfeld, Nicolas Arlt, Edouard Hannezo, Joachim O. Rädler, and Chase P. Broedersz
Phys. Rev. X 12, 031041 (2022) – Published 20 September 2022
Physics logo Focus: How Cells Move through Narrow Spaces

Experiments demonstrate that biological cells actively change shape to respond to their surroundings when moving in confined regions.

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Featured in Physics 2 citations
Driven Disordered Systems Approach to Biological Evolution in Changing Environments
Suman G. Das, Joachim Krug, and Muhittin Mungan
Phys. Rev. X 12, 031040 (2022) – Published 20 September 2022
Physics logo Synopsis: Disordered Systems Mimic Genetic Evolution

A bacterial genome’s evolution under changing drug concentrations displays effects of memory formation and mimics how disordered solids respond to external forces.

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Featured in Physics 1 citation
Mechanisms for Spontaneous Symmetry Breaking in Developing Visual Cortex
Francesco Fumarola, Bettina Hein, and Kenneth D. Miller
Phys. Rev. X 12, 031024 (2022) – Published 11 August 2022
Physics logo Synopsis: Solving a Puzzle in Brain Development

Scientists may have answered a longstanding question in biophysics: how the brain learns to recognize features in images before a newborn even opens its eyes.

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Featured in Physics 17 citations
Ergodicity Breaking in Area-Restricted Search of Avian Predators
Ohad Vilk, Yotam Orchan, Motti Charter, Nadav Ganot, Sivan Toledo, Ran Nathan, and Michael Assaf
Phys. Rev. X 12, 031005 (2022) – Published 8 July 2022
Physics logo Focus: Birds of a Feather Hunt Differently

Tracking of bird movements shows that the animals don’t spread outward like molecules in a gas, as ecologists often assume.

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