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@inproceedings{sahai:ipac2021-mopab168, author = {A.A. Sahai and M. Golkowski and V. Harid and C. Joshi and T.C. Katsouleas and A. Latina and J. Resta-López and P. Taborek and A.G.R. Thomas and F. Zimmermann}, % author = {A.A. Sahai and M. Golkowski and V. Harid and C. Joshi and T.C. Katsouleas and A. Latina and others}, % author = {A.A. Sahai and others}, title = {{Nanoplasmonic Accelerators Towards Tens of TeraVolts per Meter Gradients Using Nanomaterials}}, booktitle = {Proc. IPAC'21}, pages = {574--577}, eid = {MOPAB168}, language = {english}, keywords = {electron, plasma, wakefield, experiment, focusing}, venue = {Campinas, SP, Brazil}, series = {International Particle Accelerator Conference}, number = {12}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {08}, year = {2021}, issn = {2673-5490}, isbn = {978-3-95450-214-1}, doi = {10.18429/JACoW-IPAC2021-MOPAB168}, url = {https://jacow.org/ipac2021/papers/mopab168.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB168}, abstract = {{Ultra-high gradients which are critical for future advances in high-energy physics, have so far relied on plasma and dielectric accelerating structures. While bulk crystals were predicted to offer unparalleled TV/m gradients that are at least two orders of magnitude higher than gaseous plasmas, crystal-based acceleration has not been realized in practice. We have developed the concept of nanoplasmonic crunch-in surface modes which utilizes the tunability of collective oscillations in nanomaterials to open up unprecedented tens of TV/m gradients. Particle beams interacting with nanomaterials that have vacuum-like core regions, experience minimal disruptive effects such as filamentation and collisions, while the beam-driven crunch-in modes sustain tens of TV/m gradients. Moreover, as the effective apertures for transverse and longitudinal crunch-in wakes are different, the limitation of traditional scaling of structure wakefields to smaller dimensions is significantly relaxed. The SLAC FACET-II experiment of the nano2WA collaboration will utilize ultra-short, high-current electron beams to excite nonlinear plasmonic modes and demonstrate this possibility.}}, }