2 papers
gr-qc2004
A note on the non-existence of -model solitons in the 2+1 dimensional AdS gravity
Piotr Bizoń, Arthur Wasserman
We show that the gravitating static soliton in the 2+1 dimensional O(3) model does not exist in the presence of a negative cosmological constant.
gr-qc2003
Periodic self-similar wave maps coupled to gravity
P. Bizoń, S. Szybka, A. Wassserman
We continue our studies of spherically symmetric self-similar solutions in the SU(2) sigma model coupled to gravity. Using mixed numerical and analytical methods we show existence…