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physics.optics2008★ 2 cited
Negative Group Velocity: Is It a Backward wave or Fast Light?
Eyal Feigenbaum, Noam Kaminski, Meir Orenstein
When a negative slope of the dispersion curve is encountered, the propagating light may be either 'fast light' or 'backward propagating'. We show that causality considerations sele…
physics.optics2007
Surface Plasmon Polariton Self-Focusing by Ponderomotive Forces
Pavel Ginzburg, Alex Hayat, Eyal Feigenbaum +2
Nonlinear properties of Surface Plasmon Polaritons stemming from the inherent electron plasma nonlinearity of the metal layers are investigated. A fluid-mechanics plasma model is u…