Journal
PHYSICAL REVIEW B
Volume 83, Issue 14, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.83.144502
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Funding
- MEXT
- KAKENHI [21840004]
- Grants-in-Aid for Scientific Research [21840004] Funding Source: KAKEN
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We found Majorana-Weyl fermions in a chiral superconductor Sr2RuO4. The current-voltage curves reveal anomalous behavior: The induced voltage is an even function of the bias current. The zero-bias conductance peak was observed through the tunnel junction at the edge. The magnetic-field dependence suggests the excitation of the Majorana-Weyl fermions along the closed chiral edge current of the single domain under a bias current. We also discuss the relationship between a change in the chirality and the spontaneous magnetization of the single domain Sr2RuO4.
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