Emergent Scalar Gravity and Particle Stability in a (3+1)-Dimensional Nonlinear Spinor Model

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Auteur principal: Sergey, A. Danilov
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Publié: Zenodo 2025
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author Sergey, A. Danilov
author_facet Sergey, A. Danilov
contents <p>Abstract<br>We investigate a (3+1)-dimensional field-theoretic model integrating self-confined spinor<br>matter and scalar gravitation. The system is defined by a nonlinear Dirac field coupled to<br>a dynamical scalar field via a Yukawa-type interaction, governed by the Soler Lagrangian.<br>Using spectral numerical methods, we demonstrate that the saturating nonlinearity serves<br>as a regularizing mechanism, stabilizing localized spinor solutions (breathers) against dis-<br>persive decay, thereby overcoming Derrick’s theorem in 3D. We examine the macroscopic<br>consequences of this coupling, showing that the scalar field mediates an effective attractive<br>interaction satisfying the relativistic wave equation. Numerical stress-tests confirm that<br>the model reproduces: (i) stable orbital dynamics; (ii) Lorentz contraction of potentials;<br>(iii) quantum tunneling; and (iv) galactic rotation curves consistent with a scalar-field dark<br>matter halo. Furthermore, we explicitly verify the fermionic nature of the excitations by<br>simulating the Stern-Gerlach effect via minimal coupling to an external electromagnetic<br>field</p>
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publishDate 2025
publisher Zenodo
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spellingShingle Emergent Scalar Gravity and Particle Stability in a (3+1)-Dimensional Nonlinear Spinor Model
Sergey, A. Danilov
Emergent Gravity
Lattice Field Theory
Scalar Gravity
Soler Model
Nonlinear Dirac Equation
Breather
Quantum Analogs
FDTD
<p>Abstract<br>We investigate a (3+1)-dimensional field-theoretic model integrating self-confined spinor<br>matter and scalar gravitation. The system is defined by a nonlinear Dirac field coupled to<br>a dynamical scalar field via a Yukawa-type interaction, governed by the Soler Lagrangian.<br>Using spectral numerical methods, we demonstrate that the saturating nonlinearity serves<br>as a regularizing mechanism, stabilizing localized spinor solutions (breathers) against dis-<br>persive decay, thereby overcoming Derrick’s theorem in 3D. We examine the macroscopic<br>consequences of this coupling, showing that the scalar field mediates an effective attractive<br>interaction satisfying the relativistic wave equation. Numerical stress-tests confirm that<br>the model reproduces: (i) stable orbital dynamics; (ii) Lorentz contraction of potentials;<br>(iii) quantum tunneling; and (iv) galactic rotation curves consistent with a scalar-field dark<br>matter halo. Furthermore, we explicitly verify the fermionic nature of the excitations by<br>simulating the Stern-Gerlach effect via minimal coupling to an external electromagnetic<br>field</p>
title Emergent Scalar Gravity and Particle Stability in a (3+1)-Dimensional Nonlinear Spinor Model
topic Emergent Gravity
Lattice Field Theory
Scalar Gravity
Soler Model
Nonlinear Dirac Equation
Breather
Quantum Analogs
FDTD
url https://doi.org/10.5281/zenodo.17694515