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Cosmological frequency combs

delete2026-05-01
delete0
PRE
AI
T
Trivedi, Oem
M
Mishra, Madhurendra
G
Ganesan, Adarsh *
DOI：10.1209/0295-5075/ae55c4delete
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Abstract

Abstract

En 中文
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 H-0 tension exactly. Our results uncover a previously unexplored phase of cosmic acceleration, linking the concept of frequency combs to large-scale cosmological evolution. open access Copyright (c) 2026 The author(s)
Keywords:
LAMBDA

Journal

E
EPL
IF:
1.8
Papers:
184
Citations:
1.9W

Organization

U
university of delhi
Scholars:
1.2W
Papers: 9.6K
Citations: 3
V
vanderbilt university
Scholars:
5.1W
Papers: 4.1W
Citations: 59
B
birla institute of technology and science pilani- dubai
Scholars:
20
Papers: 13
Citations: 0
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