Researchers at the University of California San Diego found that oscillators operating at similar frequencies lock onto each other in succession, creating a staircase effect in the gut. This new mathematical solution answers two longstanding biological questions, shedding light on how food moves through the digestive tract and is churned.
SourceUniversity of California - San Diego·JournalPhysical Review Letters·TypeExperimental study·DateOct 30, 2025
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A research team has experimentally demonstrated a nonlinear wave phenomenon that changes its frequency depending on the direction of incoming waves. The system exhibits different responses to waves entering from one side versus the other, with potential applications in medical ultrasound imaging and noise control.
SourcePohang University of Science & Technology (POSTECH)·JournalPhysical Review Letters·DateJul 24, 2025
Researchers developed an equation describing pressure wave propagation in bubbly flows, confirming that changes in tube cross-sectional area contribute to pressure wave attenuation. The rate of change in tube cross-sectional area is a key parameter governing pressure wave attenuation.
SourceUniversity of Tsukuba·JournalInternational Journal of Multiphase Flow·DateApr 9, 2025
Researchers have experimentally confirmed complex synchronisation patterns in oscillatory systems, including leaf-like structures and gaps representing unsynchronised states. This breakthrough builds on previous studies using breathing-soliton lasers to explore nonlinear dynamics.
SourceAston University·JournalScience Advances·TypeExperimental study·DateMar 21, 2025
Researchers at Lancaster University have developed a new method to detect Alzheimer's disease by analyzing changes in brain oxygenation dynamics and neuronal function. The study found that individuals with Alzheimer's disease exhibit altered respiratory frequency, which may be an early indicator of the condition.
SourceLancaster University·JournalBrain Communications·TypeExperimental study·DateFeb 2, 2025
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Scientists have successfully created conditions for mechanical qubits by engineering anharmonicity close to the ground state. By cooling a nanotube device to near absolute zero, researchers demonstrated a new mechanism that boosts nonlinear effects in the system, paving the way for quantum computing.
SourceICFO-The Institute of Photonic Sciences·JournalNature Physics·DateJun 8, 2023
Researchers at Max Born Institute find that ultrafast mid-infrared excitation of electrons in bismuth reduces crystal symmetry, opening new quantum pathways for coherent phonon excitation. This leads to bidirectional atomic motions and oscillations with a frequency different from low-excitation levels.
SourceMax Born Institute for Nonlinear Optics and Short Pulse Spectroscopy (MBI)·JournalPhysical Review B·TypeExperimental study·DateMay 30, 2023
Engineers at Tokyo Institute of Technology have developed a technique to support the classification performance of neural networks operating on sensor time series by feeding recorded signals into elementary non-linear dynamical systems. This approach increases the classification performance by augmenting the data through additional tim...
SourceTokyo Institute of Technology·JournalChaos Solitons & Fractals·TypeExperimental study·DateJan 25, 2023
Scientists successfully created a light source that produced two entangled light beams using rubidium atoms. The entanglement was achieved by adding new detection steps to measure the quantum correlations in the amplitudes and phases of the fields generated, enabling applications in quantum computing, encryption, and metrology.
SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalPhysical Review Letters·DateJan 3, 2023
The study demonstrates that chaos synchronization can occur even under constraints of narrow frequency intervals, giving rise to phenomena that could be leveraged for useful operations in ensembles of distant nodes. This breakthrough has potential applications in distributed sensing, such as gathering readings from distant sensors.
SourceTokyo Institute of Technology·JournalChaos Solitons & Fractals·TypeExperimental study·DateNov 25, 2022
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