Triangular Current Profile for Future High-energy Accelerators

Beam-driven, collinear wakefield acceleration is one of the most promising methods proposed for the next generation of high-energy physics accelerators. This method has some similarities to a transformer where the wakefield plays the role of the voltage. A high-current drive beam experiences a low wakefield when it passes a media (e.g. plasma, dielectric structure, etc), and this is transformed into a high wakefield to accelerate a trailing low-current witness beam.