Inhomogeneous superconductors can host electronic excitations, known as Andreev bound
states (ABSs), below the superconducting energy gap. With the advent of topological …

The 1937 theoretical discovery of Majorana fermions—whose defining property is that they
are their own anti-particles—has since impacted diverse problems ranging from neutrino …

Semiconductor InSb nanowires are expected to provide an excellent material platform for
the study of Majorana fermions in solid state systems. Here, we report on the realization of a …

Controlling the properties of semiconductor/metal interfaces is a powerful method for
designing functionality and improving the performance of electrical devices. Recently …

Artificial atoms realized by superconducting circuits offer unique opportunities to store and
process quantum information with high fidelity. Among them, implementations of circuits that …

Focusing specifically on the recently retracted work by Zhang et al.[H. Zhang et al., Nature
(London) 556, 74 (2018) NATUAS 0028-0836 10.1038/nature26142; Retraction, Nature …

Topological superconductors that support Majorana fermions have been predicted when
one-dimensional semiconducting wires are coupled to a superconductor,,. Such excitations …

This short review paper provides a pedagogical introduction to the rapidly growing research
field of Majorana fermions in topological superconductors. We first discuss in some detail the …

Many present and future applications of superconductivity would benefit from electrostatic
control of carrier density and tunnelling rates, the hallmark of semiconductor devices. One …

The Josephson diode (JD) is a nonreciprocal circuit element that supports a larger critical
current in one direction compared to the other. This effect has gained growing interest …