For the 2D massive Dirac equation in a constant magnetic field, the paper establishes microlocalized L1-to-Linfty decay of the form 2^{2j}(1+2^j t)^{-1/2} and local-in-time Strichartz estimates.
Decay estimates for one Aharonov-Bohm solenoid in a uniform magnetic field I: Schr\"odinger equation
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abstract
This is the first of a series of papers in which we investigate the decay estimates for dispersive equations with Aharonov-Bohm solenoids in a uniform magnetic field. In this first starting paper, we prove the local-in-time dispersive estimates and Strichartz estimates for Schr\"odinger equation with one Aharonov-Bohm solenoid in a uniform magnetic field. The key ingredient is the construction of Schr\"odinger propagator, we provide two methods to construct the propagator. The first one is combined the strategies of \cite{FFFP1} and \cite{GYZZ22, FZZ22}, and the second one is based on the Schulman-Sunada formula in sprit of \cite{stov, stov1} in which the heat kernel has been studied. In future papers, we will continue investigating this quantum model for wave with one or multiple Aharonov-Bohm solenoids in a uniform magnetic field.
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Decay estimates for massive Dirac equation in a constant magnetic field
For the 2D massive Dirac equation in a constant magnetic field, the paper establishes microlocalized L1-to-Linfty decay of the form 2^{2j}(1+2^j t)^{-1/2} and local-in-time Strichartz estimates.