Generalized Uncertainty Relations and Quantum Speed Limits
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arXiv
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866913066715709440 |
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| author | AlMasri, M. W. |
| author_facet | AlMasri, M. W. |
| contents | We propose a mathematically rigorous unified framework for hybrid quantum mechanics that systematically combines algebraic deformation and spatial non-locality within a single operator formalism. By constructing a self-adjoint hybrid kinetic operator through spectral calculus, we derive exact generalized uncertainty relations that interpolate between $q$-deformed and fractional quantum mechanical bounds. Furthermore, we establish a rigorous quantum speed limit theorem for the hybrid Hamiltonian, revealing how deformation parameters, fractional orders, and external potentials tune the fundamental evolution rate of quantum states. We prove that algebraic deformation accelerates coherent dynamics through discrete momentum quantization, while fractional non-locality induces spectral broadening that suppresses evolution speed. The framework recovers standard quantum mechanics, $q$-quantum mechanics, and fractional quantum mechanics as limiting cases, and provides explicit phenomenological signatures for experimental discrimination in trapped-ion, superconducting, and cold-atom platforms. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_24791 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Generalized Uncertainty Relations and Quantum Speed Limits AlMasri, M. W. Quantum Physics We propose a mathematically rigorous unified framework for hybrid quantum mechanics that systematically combines algebraic deformation and spatial non-locality within a single operator formalism. By constructing a self-adjoint hybrid kinetic operator through spectral calculus, we derive exact generalized uncertainty relations that interpolate between $q$-deformed and fractional quantum mechanical bounds. Furthermore, we establish a rigorous quantum speed limit theorem for the hybrid Hamiltonian, revealing how deformation parameters, fractional orders, and external potentials tune the fundamental evolution rate of quantum states. We prove that algebraic deformation accelerates coherent dynamics through discrete momentum quantization, while fractional non-locality induces spectral broadening that suppresses evolution speed. The framework recovers standard quantum mechanics, $q$-quantum mechanics, and fractional quantum mechanics as limiting cases, and provides explicit phenomenological signatures for experimental discrimination in trapped-ion, superconducting, and cold-atom platforms. |
| title | Generalized Uncertainty Relations and Quantum Speed Limits |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2604.24791 |