arXiv · 1710.02479
Quantization of Space-like States in Lorentz-Violating Theories
Abstract
Lorentz violation frequently induces modified dispersion relations that can yield space-like states that impede the standard quantization procedures. In certain cases, an extended hamiltonian formalism can be used to define observer-covariant normalization factors for field expansions and phase space integrals. These factors extend the theory to include non-concordant frames in which there are negative-energy states. This formalism provides a rigorous way to quantize certain theories containing space-like states and allows for the consistent computation of Cherenkov radiation rates in arbitrary frames and avoids singular expressions.
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Don Colladay. 2017-10-06. Quantization of Space-like States in Lorentz-Violating Theories. https://doi.org/10.1088/1742-6596/952/1/012011
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