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TY - UNPB AU - Nagaitsev, S. ED - Eshraqi, Mohammad ED - Trahern, Garry ED - Schaa, Volker RW TI - Nonlinear Focusing in IOTA for Space-Charge Compensation and Landau Damping J2 - Proc. of HB2016, Malmö, Sweden, July 3-8, 2016 C1 - Malmö, Sweden T2 - ICFA Advanced Beam Dynamics Workshop on High-Intensity and High-Brightness Hadron Beams T3 - 57 LA - english AB - In 1967 Edwin McMillan proposed the first stable nonlinear accelerator focusing system (Report UCRL-17795). Since then, there have been several additional theoretical proposals on how to implement a practical nonlinear accelerator focusing system, but none were ever tested experimentally. This presentation will describe several practical proposals to implement nonlinear focusing elements in the Fermilab IOTA ring. These nonlinear elements would employ magnetic fields and electron lenses to create a large betatron tune spread and may help increase beam intensities in present and future accelerators, by providing space-charge compensation and increasing Landau damping. PB - JACoW CP - Geneva, Switzerland ER -