TY - RPRT TI - Are Nontopological Strings Produced at the Electroweak Phase Transition? AU - M Nagasawa AU - J Yokoyama PY - 1996 DO - 10.1103/physrevlett.77.2166 UR - https://pubmed.ncbi.nlm.nih.gov/10061875/ ID - 10061875 ER -