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arXiv · 2507.01929

Cosmological Frequency Combs

Oem Trivedi·Madhurendra Mishra·Adarsh Ganesan
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Abstract

We identify a new class of time periodic attractor solutions in scalar field cosmology, which we term Cosmological Frequency Combs (CFC). These solutions arise in exponential quintessence models with a phantom matter background and exhibit coherent phase-locked oscillations in the scalar field's normalized variables. We demonstrate that such dynamics induce modulations in observables like the Hubble parameter and growth rate, offering a dynamical mechanism to even address the H0 tension exactly. Our results uncover a previously unexplored phase of cosmic acceleration, linking the concept of frequency combs to large scale cosmological evolution.

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Oem Trivedi, Madhurendra Mishra, Adarsh Ganesan. 2025-07-02. Cosmological Frequency Combs. https://doi.org/10.1209/0295-5075%2Fae55c4

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