Probing the innermost regions of AGN jets and their magnetic fields with RadioAstron: IV. The quasar 3C 345 at 18 cm: Magnetic field structure and brightness temperature

F. M. Potzl^*, A. P. Lobanov, E. Ros, J. L. Gomez, G. Bruni, U. Bach, A. Fuentes, L. I. Gurvits, D. L. Jauncey, Y. Y. Kovalev, E. V. Kravchenko, M. M. Lisakov, T. Savolainen, K. V. Sokolovsky, J. A. Zensus