Tunneling Phenomena in Interface Superconductors
Abstract
Tunneling phenomena at superconducting interfaces could transform key Air Force technologies. First, a Josephson junction (JJ) involving a topological superconductor could host a Majorana bound state (MBS), which possesses the non-abelian statistics needed for topological quantum computation. Second, perfect Andreev reflection arising from Klein tunneling between a superconductor and Dirac material could facilitate Andreev qubits for quantum information processing, high-sensitivity detectors, or perfect spin filters. However, preliminary empirical reports of these tunneling phenomena are on shaky footing, due to uncontrolled interface band-bending that sinks the crucial topological states into the bulk, and unknown defects that compromise the interface transparency. Our work will advance key Air Force technologies towards topological quantum computation, quantum information processing, high-sensitivity detectors, and perfect spin filters.
Document Details
- Document Type
- DoD Grant Award
- Publication Date
- Mar 07, 2023
- Source ID
- FA95502110429
Entities
People
- Jennifer E. Hoffman
Organizations
- Air Force Office of Scientific Research
- President and Fellows of Harvard College
- United States Air Force