Abstract
The temperature-dependent Hartree-Fock approach is extended to the relativistic quantum-field-theory framework; exchange of \ensuremath{\sigma}, \ensuremath{\omega}, \ensuremath{\rho}, and \ensuremath{\pi} mesons and photons are included. Application is made to two spherical nuclei, $^{16}\mathrm{O}$ and $^{40}\mathrm{Ca}$. Temperature dependences of excitation energies, single-particle spectra, charge densities, and entropies are evaluated and compared to corresponding nonrelativistic calculations. We find a considerably larger thermal response for these nuclei when compared to the nonrelativistic results.
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