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arXiv:2605.03366

Scalar bosonic oscillator fields in LV-wormholes

Omar Mustafa, Abdullah Guvendi

gr-qcquant-phSubmitted May 5, 2026• Announced May 6, 2026
v1 · May 5, 2026v2 · May 31, 2026v3 · Aug 13, 2026
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Abstract

We investigate the quantum dynamics of scalar bosonic oscillator fields propagating in a (3+1)-dimensional Lorentz-violating (LV) wormhole spacetime within a modified gravity framework. The underlying geometry, characterized by a smooth minimal-radius throat and a globally regular redshift sector, induces nontrivial curvature effects that significantly modify the spectral properties of the Klein-Gordon (KG) field. The field dynamics are formulated in the presence of a nonminimally coupled vector background of the form $\mathcal{F}_μ=(\mathcal{F}_t(x),0,0,0)$, which, under the physically motivated ansatz $\mathcal{F}_t(x)=Ω\, r(x)$, generates an effective KG-oscillator interaction intrinsically encoded by the wormhole geometry. The resulting effective potential is regular and finite at the throat, eliminating centrifugal singularities and ensuring globally well-defined propagation across the minimal-radius region. The spectral problem reduces to a confluent Heun structure, leading to conditionally exact solutions and a discrete energy spectrum governed by curvature, Lorentz-violation strength, and oscillator frequency. The associated eigenvalue structure exhibits a relativistic particle-antiparticle symmetry with curvature-induced deformation and parameter-dependent confinement. Our results demonstrate that LV wormhole spacetimes act as effective dispersive quantum gravitational media, in which spacetime topology and spontaneous Lorentz symmetry breaking jointly regulate confinement, spectral quantization, and the global evolution of scalar bosonic modes.

Comments
7 pages, 3 figures

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The positivity of the energy in relativistic quantum mechanics implies that wave functions can be continued analytically to the forward tube T in complex spacetime. For Klein-Gordon particles, we interpret T as an extended (8D) classical phase space containing all 6D classical phase spaces as symplectic submanifolds. The evaluation maps ez:f→f(z)e_z: f\to f(z)ez​:f→f(z) of wave functions on T are relativistic coherent states reducing to the Gaussian coherent states in the nonrelativistic limit. It is known that no covariant probability interpretation exists for Klein-Gordon particles in real spacetime because the time component of the conserved "probability current" can attain negative values even for positive-energy solutions. We show that this problem is solved very naturally in complex spacetime, where ∣f(x−iy)∣2|f(x-iy)|^2∣f(x−iy)∣2 is interpreted as a probability density on all 6D phase spaces in T which, when integrated over the "momentum" variables y, gives a conserved spacetime probability current whose time component is a positive regularization of the usual one. Similar results are obtained for Dirac particles, where the evaluation maps eze_zez​ are spinor-valued relativistic coherent states. For free quantized Klein-Gordon and Dirac fields, the above formalism extends to n-particle/antiparticle coherent states whose scalar products are Wightman functions. The 2-point function plays the role of a reproducing kernel for the one-particle and antiparticle subspaces.
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