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Electron-phonon 'surfing' could help stabilize quantum hardware, nanowire tests suggest

Phys.org Quantum Section
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⚡ Quantum Brief
New research reveals electron-phonon interactions in nanowires could enhance quantum hardware stability by reducing disruptive flicker noise, a persistent challenge in quantum computing systems. Scientists observed electrons "surfing" on phonons—vibrational energy waves—within nanowire structures, minimizing scattering that typically degrades quantum coherence and signal integrity. The discovery, published in February 2026, suggests this mechanism could mitigate low-frequency electronic noise, a major obstacle in scaling quantum processors and improving qubit performance. Tests showed the effect occurs at cryogenic temperatures, aligning with operational conditions for superconducting quantum devices, potentially offering a practical stabilization method. If harnessed, this phenomenon could lead to more reliable quantum circuits, addressing a key bottleneck in developing fault-tolerant quantum computers for real-world applications.
Electron-phonon 'surfing' could help stabilize quantum hardware, nanowire tests suggest

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That low-frequency fuzz that can bedevil cellphone calls has to do with how electrons move through and interact in materials at the smallest scale. The electronic flicker noise is often caused by interruptions in the flow of electrons by various scattering processes in the metals that conduct them.

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Source: Phys.org Quantum Section