It is shown that for a wide class of nonlinear wave equations there exist no stable time‐independent solutions of finite energy. The possibility is considered whether elementary particles might be osc...
M. Persic, P. Salucci, and F. Stel. (1995)cite arxiv:astro-ph/9506004
Comment: 22 pg. in MN-style LaTex (w. 16 figs. + 3 tables); replaced with the
published version, in an effort to satisfy the continuing considerable
offprint request rate. (A few typos corrected.).