We develop a general theory of spatial solitons in a liquid crystalline medium exhibiting a nonlinearity with an arbitrary degree of effective nonlocality. The model accounts the observability of "accessible solitons" and establishes an important link with parametric solitons.
@article{arxiv.physics/0308024,
title = {Route to nonlocality and observation of accessible solitons},
author = {Claudio Conti and Marco Peccianti and Gaetano Assanto},
journal= {arXiv preprint arXiv:physics/0308024},
year = {2009}
}