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Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
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Published on: March 20, 2017

Directionality-Induced Jamming in Multiplex Networks.

Mateo Bouchet1,2, Alejandro Tejedor1,2, Xiangrong Wang3

  • 1University of Zaragoza, Institute for Biocomputation and Physics of Complex Systems (BIFI), 50018 Zaragoza, Spain.

Physical Review Letters
|June 7, 2026
PubMed
Summary
This summary is machine-generated.

Interlayer directionality in multiplex networks drives superdiffusion and a novel jamming phenomenon. Directed links can fragment networks, hindering diffusion and preventing steady states, impacting system design.

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Published on: September 25, 2020

Related Experiment Videos

Last Updated: Jun 8, 2026

Transmission of Multiple Signals through an Optical Fiber Using Wavefront Shaping
09:43

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Published on: March 20, 2017

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

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Published on: September 25, 2020

Area of Science:

  • Complex systems
  • Network science
  • Statistical physics

Background:

  • Multiplex networks consist of multiple layers of interconnected nodes.
  • Diffusion processes are fundamental to understanding information and material flow in networks.
  • Interlayer couplings describe how different network layers interact.

Purpose of the Study:

  • To investigate the impact of directed interlayer couplings on diffusion in multiplex networks.
  • To identify novel phenomena arising from interlayer directionality.
  • To explore the implications for network design and control.

Main Methods:

  • Numerical simulations of diffusion processes.
  • Analytical derivations of diffusion behavior.
  • Analysis of network fragmentation and steady-state convergence.
  • Optimization processes on network topologies.

Main Results:

  • Interlayer directionality alone can induce superdiffusion and the prime regime, even in networks with undirected layers.
  • A new phenomenon, directionality-induced jamming, was discovered, where directed links fragment the network.
  • Jamming prevents diffusion from reaching a steady state.
  • This jamming regime is achievable in both simplified and real-world network models.

Conclusions:

  • Interlayer link directionality is a critical factor in emergent behaviors of multiplex systems.
  • Directionality-induced jamming presents a significant challenge for diffusion processes in networked systems.
  • Findings have potential applications in designing and controlling complex multiplex systems.