期刊
SCIENCE
卷 357, 期 6348, 页码 294-299出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.aag2792
关键词
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资金
- Spins and Heat in Nanoscale Electronic Systems (SHINES) Center, an Energy Frontier Research Center (EFRC) - U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences [S000686]
- Army Research Office (ARO) program [W911NF-15-1-0561:P00001]
- NSF Faculty Early Career Development (CAREER) Award [DMR-1350122]
- Function Accelerated nanoMaterial Engineering (FAME) Center, one of six centers of STARnet, a Semiconductor Research Corporation (SRC) program - Microelectronics Advanced Research Corporation (MARCO)
- Defense Advanced Research Projects Agency (DARPA)
- NSF [ECCS-1232275, DMR-1543582, DMR-1610060, DMR-1305677]
- U.S. DOE, Office of Basic Energy Sciences, Division of Materials Sciences and Engineering [DE-AC02-76SF00515]
- National Science Foundation [DMR-1157490]
- State of Florida
- National Thousand-Young-Talents Program
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1610060, 1350122] Funding Source: National Science Foundation
Majorana fermion is a hypothetical particle that is its own antiparticle. We report transport measurements that suggest the existence of one-dimensional chiral Majorana fermion modes in the hybrid system of a quantum anomalous Hall insulator thin film coupled with a superconductor. As the external magnetic field is swept, half-integer quantized conductance plateaus are observed at the locations of magnetization reversals, giving a distinct signature of the Majorana fermion modes. This transport signature is reproducible over many magnetic field sweeps and appears at different temperatures. This finding may open up an avenue to control Majorana fermions for implementing robust topological quantum computing.
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