Testable Signatures of Quantum Nonlocality in a Two-Dimensional Chiral p-Wave Superconductor
Sumanta Tewari, Chuanwei Zhang, S. Das Sarma, Chetan Nayak, Dung-Hai Lee
DOI 10.1103/PhysRevLett.100.027001 · Physical Review Letters
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Abstract
A class of topological excitations—the odd-winding number vortices—in a spinless 2D chiral p-wave (px+ipy) superconductor traps Majorana fermion states in the vortex cores. For a dilute gas of such vortices, the lowest energy fermionic eigenstates are intrinsically nonlocal. We predict two testable signatures of this unusual quantum nonlocality in quasiparticle tunneling experiments. We discuss why the associated teleportationlike phenomenon does not imply the violation of causality.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Sr2RuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.5 | Pressure not reported | unknown |
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