Cherenkov-Vavilov Formulation of X Waves Export

@article{citeulike:4733987, abstract = {The field from a supersonic (or equivalently superluminal) point source in uniform motion [i.e., the Cherenkov-Vavilov (CV) effect] is shown to be equivalent to the diffractionless X-wave field. It is demonstrated that the power required to support an X wave is equivalent to the power dissipated by a CV source. In the context of the CV solution, it is clear that any supersonic or superluminal properties exhibited by X waves are purely phase effects. As a consequence, X waves cannot propagate a signal faster than the speed of waves, and thus necessarily obey the law on the finiteness of information transfer.}, author = {{walker}, S. C. and {kuperman}, W. A.}, citeulike-article-id = {4733987}, citeulike-linkout-0 = {http://dx.doi.org/10.1103/PhysRevLett.99.244802}, citeulike-linkout-1 = {http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2007PhRvL..99x4802W}, doi = {10.1103/PhysRevLett.99.244802}, journal = {Physical Review Letters}, keywords = {directed-energy, relativity, superluminal, superluminality, supersonic, x-waves}, month = {December}, number = {24}, posted-at = {2009-06-03 15:58:06}, priority = {2}, title = {{Cherenkov-Vavilov Formulation of X Waves}}, url = {http://dx.doi.org/10.1103/PhysRevLett.99.244802}, volume = {99}, year = {2007} }

TY - JOUR ID - citeulike:4733987 L3 - citeulike-article-id:4733987 N2 - The field from a supersonic (or equivalently superluminal) point source in uniform motion [i.e., the Cherenkov-Vavilov (CV) effect] is shown to be equivalent to the diffractionless X-wave field. It is demonstrated that the power required to support an X wave is equivalent to the power dissipated by a CV source. In the context of the CV solution, it is clear that any supersonic or superluminal properties exhibited by X waves are purely phase effects. As a consequence, X waves cannot propagate a signal faster than the speed of waves, and thus necessarily obey the law on the finiteness of information transfer. IS - 24 JF - Physical Review Letters TI - {Cherenkov-Vavilov Formulation of X Waves} VL - 99 KW - directed-energy KW - relativity KW - superluminal KW - superluminality KW - supersonic KW - x-waves AU - {walker}, SC AU - {kuperman}, WA PY - 2007/December// UR - http://dx.doi.org/10.1103/PhysRevLett.99.244802 ER -