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Hidden Spin-Supercurrent Counterflow in Conventional Superconductors
Johanne Bratland Tjernshaugen, Jacob Linder
Resistive spin currents conventionally vary in space through spin relaxation or torque, which removes angular momentum from the transported spin. We here demonstrate a qualitativel…
Superconducting Qubits with Altermagnetic Josephson Junctions
Johanne Bratland Tjernshaugen, Morten Amundsen, Jacob Linder
Identifying a materials platform for creating qubits that are both tunable and resilient towards environmental noise is one of the main hurdles that need to be overcome to realize…
Coherent control of spinmons
Johanne Bratland Tjernshaugen, Florinda Viñas Boström, Jeroen Danon +3
In this work, we explore a hybrid qubit device where quantum information is encoded by quantum states of a transmon entangled with the spin of a trapped Andreev quasiparticle. We t…