Optically-Induced Faraday-Goldstone Waves
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866909896635580416 |
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| author | Kaplan, Daniel Volkov, Pavel A. Cavalleri, Andrea Chandra, Premala |
| author_facet | Kaplan, Daniel Volkov, Pavel A. Cavalleri, Andrea Chandra, Premala |
| contents | Faraday waves, typically observed in driven fluids, result from the confluence of nonlinearity and parametric amplification. Here we show that optical pulses can generate analogous phenomena that persist much longer than the pump time-scales in ordered quantum solids. We present a theory of ultrafast light-matter interactions within a symmetry-broken state; dynamical nonlinear coupling between the Higgs (amplitude) and the Goldstone (phase) modes drives an emergent phason texture that oscillates in space and in time: Faraday-Goldstone waves. Calculated signatures of this spatiotemporal order compare well with measurements on K$_{0.3}$MnO$_{3}$; Higgs-Goldstone beating, associated with coherent energy exchange between these two modes, is also predicted. We show this light-generated crystalline state is robust to thermal noise, even when the original Goldstone mode is not. Our results offer a new pathway for the design of periodic structures in quantum materials with ultrafast light pulses. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2511_07320 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Optically-Induced Faraday-Goldstone Waves Kaplan, Daniel Volkov, Pavel A. Cavalleri, Andrea Chandra, Premala Mesoscale and Nanoscale Physics Strongly Correlated Electrons Pattern Formation and Solitons Faraday waves, typically observed in driven fluids, result from the confluence of nonlinearity and parametric amplification. Here we show that optical pulses can generate analogous phenomena that persist much longer than the pump time-scales in ordered quantum solids. We present a theory of ultrafast light-matter interactions within a symmetry-broken state; dynamical nonlinear coupling between the Higgs (amplitude) and the Goldstone (phase) modes drives an emergent phason texture that oscillates in space and in time: Faraday-Goldstone waves. Calculated signatures of this spatiotemporal order compare well with measurements on K$_{0.3}$MnO$_{3}$; Higgs-Goldstone beating, associated with coherent energy exchange between these two modes, is also predicted. We show this light-generated crystalline state is robust to thermal noise, even when the original Goldstone mode is not. Our results offer a new pathway for the design of periodic structures in quantum materials with ultrafast light pulses. |
| title | Optically-Induced Faraday-Goldstone Waves |
| topic | Mesoscale and Nanoscale Physics Strongly Correlated Electrons Pattern Formation and Solitons |
| url | https://arxiv.org/abs/2511.07320 |