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18 papers · 2 filters
What's knot to like? Observation of a linked loop quantum state
Ilya Belopolski, Guoqing Chang, Tyler A. Cochran +22
Quantum phases can be classified by topological invariants, which take on discrete values capturing global information about the quantum state. Over the past decades, these invaria…
Robust topological superconductivity in weakly coupled nanowire-superconductor hybrid structures
Oladunjoye A. Awoga, Jorge Cayao, Annica M. Black-Schaffer
We investigate the role of the coupling between a spin-orbit coupled semiconductor nanowire and a conventional -wave superconductor on the emergence of the topological supercond…
Fusion rules in a Majorana single-charge transistor
R. Seoane Souto, M. Leijnse
A demonstration of the theoretically predicted non-abelian properties of Majorana bound states (MBSs) would constitute a definite proof of a topological superconducting phase. Alon…
Intermediate states in Andreev bound state fusion
C. Jünger, S. Lehmann, K. A. Dick +3
Hybridization is a very fundamental quantum mechanical phenomenon, with the text book example of binding two hydrogen atoms in a hydrogen molecule. In semiconductor physics, a quan…
Quasiparticle trapping at vortices producing Josephson supercurrent enhancement
Yosuke Sato, Kento Ueda, Yuusuke Takeshige +6
The Josephson junction of a strong spin-orbit material under a magnetic field is a promising Majorana fermion candidate. Supercurrent enhancement by a magnetic field has been obser…
Experimental verification of the work fluctuation-dissipation relation for information-to-work conversion
David Barker, Matteo Scandi, Sebastian Lehmann +4
We study experimentally work fluctuations in a Szilard engine that extracts work from information encoded as the occupancy of an electron level in a semiconductor quantum dot. We s…