Explicit radial dependence in the scalar potential stabilizes topological solitons in higher-dimensional rotationally symmetric backgrounds, enabling exact solutions via shared target-space orbits and a geometry-encoding map to one-dimensional BPS theory.
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Derives an effective relativistic QFT on a dispersive cosmological spacetime from a BEC with time-dependent scattering length, showing trans-Planckian damping that violates scale invariance in analog expanding universes but converges to a new UV plateau.
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Topological solitons of two-field scalar theories in rotationally symmetric backgrounds
Explicit radial dependence in the scalar potential stabilizes topological solitons in higher-dimensional rotationally symmetric backgrounds, enabling exact solutions via shared target-space orbits and a geometry-encoding map to one-dimensional BPS theory.
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Superluminal modes in a quantum field simulator for cosmology from analog trans-Planckian physics
Derives an effective relativistic QFT on a dispersive cosmological spacetime from a BEC with time-dependent scattering length, showing trans-Planckian damping that violates scale invariance in analog expanding universes but converges to a new UV plateau.