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Topological Quantum Computation Zhenghan Wang
Topological quantum computation stands uniquely at the interface of quantum topology, quantum physics, and quantum computing,. [ReadMore..]
Understanding Potential Topological Quantum Bits -- ScienceDaily
Scientists have been looking for half an electron as a basis for a quantum computer. They investigated a promising experimental setup just to find that the signals they measured were not telling the truth. Jul 1, 2021 ... Scientists have been looking for half an electron as a basis for a quantum computer. They investigated a promising experimental setup just ... [ReadMore..]
A Short Introduction To Topological Quantum Computation
This review presents an entry-level introduction to topological quantum computation -- quantum computing with anyons. We introduce anyons at the system-independent level of anyon models and discuss the key concepts of protected fusion spaces and statistical quantum evolutions for encoding and processing quantum information. Both the encoding and the processing are inherently resilient against errors due to their topological nature, thus promising to overcome one of the main obstacles for the realisation of quantum computers. We outline the general steps of topological quantum computation, as well as discuss various challenges faced by it. We also review the literature on condensed matter systems where anyons can emerge. Finally, the appearance of anyons and employing them for quantum computation is demonstrated in the context of a simple microscopic model -- the topological superconducting nanowire -- that describes the low-energy physics of several experimentally relevant settings. This model supports locali This review presents an entry-level introduction to topological quantum computation -- quantum computing with anyons. We introduce anyons at the system- ... [ReadMore..]
Non-Abelian Anyons And Topological Quantum Computation
Topological quantum computation has emerged as one of the most exciting approaches to constructing a fault-tolerant quantum computer. The proposal relies on the existence of topological states of matter whose quasiparticle excitations are neither bosons nor fermions, but are particles known as non-Abelian anyons, meaning that they obey non-Abelian braiding statistics. Quantum information is stored in states with multiple quasiparticles, which have a topological degeneracy. The unitary gate operations that are necessary for quantum computation are carried out by braiding quasiparticles and then measuring the multiquasiparticle states. The fault tolerance of a topological quantum computer arises from the nonlocal encoding of the quasiparticle states, which makes them immune to errors caused by local perturbations. To date, the only such topological states thought to have been found in nature are fractional quantum Hall states, most prominently the $\ensuremath{\nu}=5∕2$ state, although several other prospecti Sep 12, 2008 ... Abstract. Topological quantum computation has emerged as one of the most exciting approaches to constructing a fault-tolerant quantum computer. [ReadMore..]
Majorana Qubits For Topological Quantum Computing: Physics Today ...
Researchers are trying to store robust quantum information in Majorana particles and are generating quantum gates by exploiting the bizarre non-abelian statistics of Majorana zero modes bound to to... And on the way to topological quantum computing, researchers can explore more exotic physics, including the topological Kondo effect. That phenomenon exploits ... [ReadMore..]
Developing A Topological Qubit - Microsoft Azure Quantum Blog
Learn what's involved in the journey to create a topological qubit, including different stages of development, first-of-their-kind fabrication approaches, and an overview of the many fields of knowledge that come together to make this vision a reality. Sep 6, 2018 ... Topological qubits are protected from noise due to their values existing at two distinct points, making our quantum computer more robust against ... [ReadMore..]
A Short Introduction To Topological Quantum Computation Abstract ...
Sep 9, 2017 ... Abstract. This review presents an entry-level introduction to topological quantum computation – quantum computing with anyons. [ReadMore..]
Inside Microsoft's Quest For A Topological Quantum Computer | Nature
Oct 21, 2016 ... But the firm hopes to exploit their topological properties, which make quantum states extremely robust to outside interference, to build what ... [ReadMore..]
In A Historic Milestone, Azure Quantum Demonstrates Formerly ...
Azure Quantum has made a scientific breakthrough to demonstrate the formerly elusive building blocks for a topological qubit. Mar 14, 2022 ... To create topological protection, quantum information can be encoded in a pair of Majorana zero modes that are physically separated. This makes ... [ReadMore..]
The pages related to topological quantum computing are also listed below:
Scalable Designs For Quasiparticle-poisoning-protected Topological ...
A team of experimentalists and theorists proposes a scalable protocol for quantum computation based on topological superconductors. Jun 21, 2017 ... A team of experimentalists and theorists proposes a scalable protocol for quantum computation based on topological superconductors. [ReadMore..]
Topological Quantum Computation Based On Chiral Majorana ...
We propose a platform of quantum computation using the chiral Majorana fermions on the edges of topological materials. The quantum gates are naturally accomplished by the propagation of chiral Majorana fermions. If realized, its computation ...The chiral Majorana fermion is a massless self-conjugate fermion which can arise as the edge state of certain 2D topological matters. It has been theoretically predicted and experimentally observed in a hybrid device of a quantum anomalous Hall insulator ... The chiral Majorana fermion is a massless self-conjugate fermion which can arise as the edge state of certain 2D topological matters. It has been theoretically ... [ReadMore..]
