1 citations · 1 across the 7 of their papers we have counts for
8 papers
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…
Designing lattice spin models and magnon gaps with supercurrents
Johanne Bratland Tjernshaugen, Martin Tang Bruland, Jacob Linder
Electric control over magnetic interactions at the level of individual spins is relevant for a variety of quantum applications, such as qubits, memory and sensor functionality. We…
Large Tunable Thermoelectric Effects in Superconducting Spin Valves with Commercially Available Materials
Pablo Tuero, Johanne Bratland Tjernshaugen, Carlos Sanchez +4
Recent studies have revealed magnetically controllable thermoelectric effects in superconductor/ferromagnet (S/F) structures. A tunable cryogenic thermoelectric generator needs not…
Voltage-tunable spin supercurrent nonreciprocity reaching 100% efficiency
Chi Sun, Johanne Bratland Tjernshaugen, Jacob Linder
The superconducting version of a diode effect has been the subject of extensive research in the past few years. So far, the focus has almost exclusively been on charge transport, b…
Crossed Andreev reflection revealed by self-consistent Keldysh-Usadel formalism
Johanne Bratland Tjernshaugen, Morten Amundsen, Jacob Linder
Crossed Andreev reflection (CAR) is a process that creates entanglement between spatially separated electrons and holes. Such entangled pairs have potential applications in quantum…
Superconducting phase diagram and spin diode effect via spin accumulation
Johanne Bratland Tjernshaugen, Morten Amundsen, Jacob Linder
Spin-split superconductors offer new functionality compared to conventional superconductors such as diode-effects and efficient thermoelectricity. The superconducting state can nev…