quasiparticles and qubits

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United States of America

PATENT NO 11917929
SERIAL NO

17548890

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Abstract

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Various embodiments described herein provide for a topological quantum computer that uses edge Majorana quasi-particles to form qubits. An inverted Indium Arsenide (InAs) and Gallium Antimonide (GaSb) heterostructure is disclosed that is a quantum spin Hall insulator. A layer of aluminum can be deposited over a nanotube that is placed across the layers of the heterostructure. Once the nanotube is removed, and a gate is formed on the heterostructure and the heterostructure is cooled so that the aluminum becomes superconducting, helical edge states are formed at the junction of the super conducting aluminum, the InAs, and the GaSb which creates a Majorana zero modes (MZMs) at zero magnetic field. The MZMs can be used to construct a topological qubit for fault-resistant topological quantum computation.

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Patent Owner(s)

  • NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pan, Wei San Ramon, US 153 1884

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