Quantum simulation and sensing in Penning ion traps

Trapped ions are one of the leading quantum information processing platforms, due to the very high-fidelity control of both their internal states and their collective motion, which is used to generate interactions between ions. However, while there has been significant progress increasing the number of ions in the commonly used radio frequency (RF) Paul traps, scaling these systems to more than tens of ion qubits remains challenging. Penning ion traps, which use a strong magnetic field to confine the ions, enable straightforward trapping of much larger numbers of ions, which have been used in state-of-the-art quantum sensing and simulation demonstrations. I will discuss why Penning traps are well-suited for these applications and the tools we utilize to achieve the necessary quantum control. I will also discuss how these tools are used to implement quantum sensing and simulation experiments and how we can expand our capabilities in the future.