Approaching a topological phase transition in Majorana nanowires

Ryan V. Mishmash,1,2 David Aasen,1 Andrew P. Higginbotham,3,4 and Jason Alicea1,2 1Department of Physics and Institute for Quantum Information and Matter, California Institute of Technology, Pasadena, California 91125, USA 2Walter Burke Institute for Theoretical Physics, California Institute of Technology, Pasadena, California 91125, USA 3Department of Physics, Harvard University, Cambridge, Massachusetts, 02138, USA 4Center for Quantum Devices, Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark (Received 3 February 2016; revised manuscript received 6 May 2016; published 8 June 2016)