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This research explores the connection between gravitational memory and time's arrow through microscopic degrees of freedom.

June 27, 2026Open Access

History-Dependent Gravity III: Spectral Origin of Time Memory and Cosmological Signatures

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We demonstrate gravitational memory and cosmological signatures emerge from a spectral density in gravity, suggesting new predictions.

This research explores the connection between gravitational memory and time's arrow through microscopic degrees of freedom.
Investigated the gravitational memory kernel and its relationship to spectral density of microscopic degrees of freedom.
Examined renormalization group flow as it pertains to spectral functions.
Unified horizon thermodynamics with cosmological signatures using a single spectral function.
Established that gravitational memory is linked to the spectral density of microscopic degrees of freedom.
Showed that the renormalization group flow provides a dynamical basis for the arrow of time.
Identified modifications to the matter power spectrum that can be tested in upcoming Euclid and DESI surveys.

Alik Gimranov (2026) studied this question.

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