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Version 3.0 — Updated Release
This update refines the LSETM theoretical framework by incorporating a rigorous thermodynamic closure that aligns matter creation with the arrow of time and introduces an "Early-Time Safety" mechanism (exponential suppression) to preserve primordial nucleosynthesis and the CMB. Critical observational evidence for the "Cold Injection" mechanism is presented through the detection of pristine gas (He II) in the halo of GN-z11, while the detailed Chameleon-type screening explains how the model evades Solar System atomic clock constraints. Furthermore, the model expands its phenomenological scope by integrating recent DESI Year 3 results on dynamic dark energy and adding new galactic analogues, such as the massive spiral Alaknanda and the warm MACS0416_Y1, to the empirical validation.
This document introduces the Local Scalar Emergent Time Model (LSETM), a covariant framework in which scalar-induced matter creation modifies the local proper-time flow according to energy density. The model accounts for several JWST-driven cosmological tensions—such as early massive galaxies, the *Little Red Dots* population, and the high-redshift iron anomaly—through local time dilation and nonlinear mass growth. LSETM remains consistent with local tests (ROCIT) and with Pantheon+ constraints, and yields falsifiable predictions including the “Triple Correlation” and a distinctive redshift-drift signal. A complementary phenomenological toy model supports the need for effective creation rates of ∼10–14 Gyr⁻¹ in galaxies at (z = 9–16.5).
Note: This manuscript represents preliminary work. A complete and extended version of the LSETM framework, including detailed microphysical constraints and full parameter fits, is currently under development.
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Title Local Scalar Emergent Time Model (LSETM): A Covariant Framework for Local Matter Creation and Emergent Time V3.0
Version 3.0 — Updated Release
This update refines the LSETM theoretical framework by incorporating a rigorous thermodynamic closure that aligns matter creation with the arrow of time and introduces an "Early-Time Safety" mechanism (exponential suppression) to preserve primordial nucleosynthesis and the CMB. Critical observational evidence for the "Cold Injection" mechanism is presented through the detection of pristine gas (He II) in the halo of GN-z11, while the detailed Chameleon-type screening explains how the model evades Solar System atomic clock constraints. Furthermore, the model expands its phenomenological scope by integrating recent DESI Year 3 results on dynamic dark energy and adding new galactic analogues, such as the massive spiral Alaknanda and the warm MACS0416_Y1, to the empirical validation.
This document introduces the Local Scalar Emergent Time Model (LSETM), a covariant framework in which scalar-induced matter creation modifies the local proper-time flow according to energy density. The model accounts for several JWST-driven cosmological tensions—such as early massive galaxies, the *Little Red Dots* population, and the high-redshift iron anomaly—through local time dilation and nonlinear mass growth. LSETM remains consistent with local tests (ROCIT) and with Pantheon+ constraints, and yields falsifiable predictions including the “Triple Correlation” and a distinctive redshift-drift signal. A complementary phenomenological toy model supports the need for effective creation rates of ∼10–14 Gyr⁻¹ in galaxies at (z = 9–16.5).
Note: This manuscript represents preliminary work. A complete and extended version of the LSETM framework, including detailed microphysical constraints and full parameter fits, is currently under development.
Work type Research papers, Thesis, Lecture notes
Tags high-redshift physics., time dilation, jwst anomalies, emergent time, early massive galaxies, iron paradox, matter creation, scalar-tensor theory, lsetm, modified gravity, cosmology, dark energy alternative, redshift drift
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Identifier 2512103984708
Entry date Dec 10, 2025, 12:51 AM UTC
License Creative Commons Attribution-NoDerivatives 4.0
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Author. Holder Facundo Nicolás Loyarte Falabella. Date Dec 10, 2025.
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