Dynamical Electron Mass in a Strong Magnetic Field
arXiv:0709.4427 · doi:10.1103/PhysRevD.77.025031
Abstract
Motivated by recent interest in understanding properties of strongly magnetized matter, we study the dynamical electron mass generated through approximate chiral symmetry breaking in QED in a strong magnetic field. We reliably calculate the dynamical electron mass by numerically solving the nonperturbative Schwinger-Dyson equations in a consistent truncation within the lowest Landau level approximation. It is shown that the generation of dynamical electron mass in a strong magnetic field is significantly enhanced by the perturbative electron mass that explicitly breaks chiral symmetry in the absence of a magnetic field.
5 pages, 1 figure, published version
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- Impact of a uniform magnetic field and nonzero temperature on explicit chiral symmetry breaking in QED: Arbitrary hierarchy of energy scales
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- The Study of Relatively Low Density Stellar Matter in Presence of Strong Quantizing Magnetic Field
- Is there a maximum magnetic field in QED?