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PreprintCC BY 4.0arXiv

Hysteresis-Driven Radiative Mpemba Effect in Phase-Change Nanostructures

  • Florian Herz
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Abstract

The Mpemba effect states that initially hotter systems cool faster than colder ones. While known in convective, conductive, and quantum systems, its radiative analogue is unexplored. Here, this anomaly is realized via phase-change hysteresis of a VO2 nanoparticle near a SiC substrate. After analytically deriving an onset condition, the phase space is mapped. Crucially, latent heat acts as a thermal buffer enabling both ordinary and inverse effects. Near-field coupling governs the relaxation time and enables a passive effect where memory is stored externally via substrate reflection.

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Cite

BibTeXRIS
BibTeX
@misc{herz2026hysteresisdriven,
  title = {{Hysteresis-Driven Radiative Mpemba Effect in Phase-Change Nanostructures}},
  author = {Florian Herz},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2606.22552},
  eprint = {2606.22552},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.22552},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - Hysteresis-Driven Radiative Mpemba Effect in Phase-Change Nanostructures
AU  - Florian Herz
PY  - 2026
DA  - 2026/09/18
PB  - arXiv
DO  - 10.48550/arxiv.2606.22552
UR  - https://arxiv.org/abs/2606.22552
AB  - The Mpemba effect states that initially hotter systems cool faster than colder ones. While known in convective, conductive, and quantum systems, its radiative analogue is unexplored. Here, this anomaly is realized via phase-change hysteresis of a VO_2 nanoparticle near a SiC substrate. After analytically deriving an onset condition, the phase space is mapped. Crucially, latent heat acts as a thermal buffer enabling both ordinary and inverse effects. Near-field coupling governs the relaxation time and enables a passive effect where memory is stored externally via substrate reflection.
ER  -