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Showing 1 to 9 of 9 for “"Topological quantum computing"”.
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Topological Quantum Computing with Majorana Zero Mode Qubits: Theory and State of the Art
Topological Quantum Computing (TQC) has been proposed as a strong candidate for universal quantum computation, due to its inherent capability for fault-tolerance in the form of error detection and correction, and robustness against decoherence. Specifically, over the last decade significant …
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Examining mean-field approximations and Bogoliubov-de Gennes (BdG) equations for topological quantum computing - some considerations on the conceptual basis of Majorana zero modes in p+ip superconductors
… (MZM) in superconductors and its application for topological quantum computing is based on mean-field approximations and is derived from solutions to BdG equations. In this framework, particle number conservation is broken and non-interacting fermion Hamiltonian is used to describe physics of …
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Skyrmions and non-collinear magnetic domains in Fe₃GeTe₂
… heterostructures have potential for use in topological quantum computing schemes. Of particular interest are heterostructures that utilize Fe3GeTe2, an air sensitive van der Waals (vdW) material known to host nanoscale magnetic whirlpools called skyrmions. The vdW nature of Fe3GeTe2 means we …
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Majorana-based Topological Quantum Algorithms in Magnet-Superconductor Hybrid Structures
Majorana zero modes harbored by topological superconductors may be the key ingredient for the realization of fault-tolerant quantum computing and topologically protected quantum devices. Magnet-superconductor hybrid (MSH) systems have proven to be an experimentally versatile platform for quantum …
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Josephson Effects in the Iron-Based Superconductor FeTe$_{1-x}$Se$_{x}$
… in a single system, for the realization of topological quantum computing. Besides this, FeTe$_{1-x}$Se$_x$ hosts rich physical phenomena such as S$\pm$ superconductivity, Majorana bound states, and higher-order topological superconductivity, among others. Despite the interest in …
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Majorana qubits in non-Abelian topological superconductors
… namely Majorana fermions, which obey non-Abelian quantum statistics. They are exploited as hardware platforms for fault-tolerant topological quantum computing. In this thesis, we primarily study the non-topological decoherence ef- fects existing in realistic systems and how they affect the …
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Self-Consistent Study of Topological Superconductivity in Two-Dimensional Quasicrystals
… and experimental activities in the field of topological superconductors. Topological superconductivity (TSC) results in a novel superconducting state characterized by a nonzero topological invariant in the bulk. There is a relation between the bulk and edges or surfaces, which is called the …
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Engineering superconductivity in ballistic semiconductor nanowires
… are promising materials for studying novel quantum devices. Following proposals to use 1D nanostructure to realize Majorana zero modes, quasiparticles that are relevant for topological quantum computing, many groups have attempted to engineer these modes in hybrid …
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Design Methods for Reliable Quantum Circuits
Quantum computing is an emerging technology that has the potential to change the perspectives and applications of computing in general. A wide range of applications are enabled: from faster algorithmic solutions of classically still difficult problems to theoretically more secure communication …