P. Di Porto
Sapienza University of Rome
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Publication
Featured researches published by P. Di Porto.
Physical Review Letters | 2016
F. Di Mei; P. Caramazza; D. Pierangeli; G. Di Domenico; H. Ilan; Aharon J. Agranat; P. Di Porto; E. DelRe
We propose and provide experimental evidence of a mechanism able to support negative intrinsic effective mass. The idea is to use a shape-sensitive nonlinearity to change the sign of the mass in the leading linear propagation equation. Intrinsic negative-mass dynamics is reported for light beams in a ferroelectric crystal substrate, where the diffusive photorefractive nonlinearity leads to a negative-mass Schrödinger equation. The signature of inverted dynamics is the observation of beams repelled from strongly guiding integrated waveguides irrespective of wavelength and intensity and suggests shape-sensitive nonlinearity as a basic mechanism leading to intrinsic negative mass.
Physical Review Letters | 1999
B. Crosignani; Antonio Degasperis; E. DelRe; P. Di Porto; Aharon J. Agranat
EPL | 2001
B. Crosignani; P. Di Porto
Physical Review E | 2011
E. DelRe; Bruno Crosignani; P. Di Porto; S. Di Sabatino
EPL | 1996
Bruno Crosignani; P. Di Porto
Journal of Statistical Physics | 2013
P. Di Porto; S. Di Sabatino; Bruno Crosignani; Eugenio DelRe
Physical Review Letters | 1971
B. Crosignani; Salvatore Solimeno; P. Di Porto
Nature Photonics | 2018
F. Di Mei; L. Falsi; M. Flammini; D. Pierangeli; P. Di Porto; Aharon J. Agranat; Eugenio DelRe
Physical Review E | 2014
P. Di Porto; Bruno Crosignani; E. DelRe
Journal of Statistical Physics | 2014
Eugenio DelRe; S. Di Sabatino; P. Di Porto; Bruno Crosignani
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