New directions in the pursuit of Majorana fermions in solid state systems

J Alicea - Reports on progress in physics, 2012 - iopscience.iop.org
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 …

Majorana zero modes in superconductor–semiconductor heterostructures

RM Lutchyn, EPAM Bakkers, LP Kouwenhoven… - Nature Reviews …, 2018 - nature.com
Realizing topological superconductivity and Majorana zero modes in the laboratory is a
major goal in condensed-matter physics. In this Review, we survey the current status of this …

Search for Majorana fermions in superconductors

CWJ Beenakker - Annu. Rev. Condens. Matter Phys., 2013 - annualreviews.org
Majorana fermions (particles that are their own antiparticle) may or may not exist in nature as
elementary building blocks, but in condensed matter they can be constructed out of electron …

InAs-Al hybrid devices passing the topological gap protocol

M Aghaee, A Akkala, Z Alam, R Ali, A Alcaraz Ramirez… - Physical Review B, 2023 - APS
We present measurements and simulations of semiconductor-superconductor
heterostructure devices that are consistent with the observation of topological …

Anderson transitions

F Evers, AD Mirlin - Reviews of Modern Physics, 2008 - APS
The physics of Anderson transitions between localized and metallic phases in disordered
systems is reviewed. The term “Anderson transition” is understood in a broad sense …

Topological superconductivity in hybrid devices

SM Frolov, MJ Manfra, JD Sau - Nature Physics, 2020 - nature.com
Topological superconductivity can emerge from the combination of conventional
superconductivity in a metal and strong spin–orbit coupling in a semiconductor when they …

Dynamical obstruction to localization in a disordered spin chain

D Sels, A Polkovnikov - Physical Review E, 2021 - APS
We analyze a one-dimensional XXZ spin chain in a disordered magnetic field. As the main
probes of the system's behavior, we use the sensitivity of eigenstates to adiabatic …

Non-Majorana states yield nearly quantized conductance in proximatized nanowires

P Yu, J Chen, M Gomanko, G Badawy, E Bakkers… - Nature Physics, 2021 - nature.com
Semiconductor nanowires with proximity-induced superconductivity are leading contenders
for manifesting Majorana fermions in condensed matter,,,–. However, unambiguous …

Physical mechanisms for zero-bias conductance peaks in Majorana nanowires

H Pan, S Das Sarma - Physical Review Research, 2020 - APS
Motivated by the need to understand and simulate the ubiquitous experimentally observed
zero-bias conductance peaks in superconductor-semiconductor hybrid structures, we …

Anomalous diffusion and griffiths effects near the many-body localization transition

K Agarwal, S Gopalakrishnan, M Knap, M Müller… - Physical review …, 2015 - APS
We explore the high-temperature dynamics of the disordered, one-dimensional XXZ model
near the many-body localization (MBL) transition, focusing on the delocalized (ie,“metallic”) …