2009/07/31 by Suk Bum Chung, Shou-Cheng Zhang · 176 citations
Physics and Astronomy · #Advanced Condensed Matter Physics #Condensed matter physics #Fermion #Geometry #Ising model #MAJORANA #Magnetic field #Majorana fermion #Physics #Quantum #Quantum computer #Quantum mechanics #Quantum, superfluid, helium dynamics #Relaxation (psychology) #Surface (topology) #Topological Materials and Phenomena #Zeeman effect #cond-mat.other #cond-mat.supr-con
paper · pdf · doi:10.1103/physrevlett.103.235301
published in Physical Review Letters 103(23), 235301 (American Physical Society) · 6 pages, 2 figures; reformatted with reference added
arxiv created 2009/10/20 · openalex publication_date 2009/12/03 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/01
The Majorana fermion, which can be useful for topological quantum computation, has eluded detection. (3)He-B, recently shown to be a time-reversal invariant topological superfluid, has a gapless Majorana fermion surface state. We show here that an electron spin relaxation experiment can detect this surface state--its Majorana nature through the Zeeman field direction dependence of the relaxation time 1/T(1) proportional, proportional to sin(2)theta, where theta is the angle between the field and the surface normal. We propose an experimental setup where an electron inside a nanobubble is injected below the (3)He liquid surface.