Fault-tolerant quantum computing based on quantum dot system View Homepage


Ontology type: schema:MonetaryGrant     


Grant Info

YEARS

2011-2013

FUNDING AMOUNT

180000 CNY

ABSTRACT

Classical computer quantum computer has unmatched computing. Solid state system based on the spin is most likely to achieve physical systems of quantum computers. The project relies on the quantum theory of quantum dot system was to be engaged in the following research: (1) quantify the impact of noise on the operation mechanism of quantum decoherence physics point of the system, optimal control affect the decoherence parameters of unfavorable factors favorable conditions for quantum computing, further studies in different mechanisms of decoherence, entanglement dynamics of quantum dot system; (2) using spin - boson model and the master equation solving steady-state method, by controlling the different environmental parameters find spin qubit decoherence-free subspace generalized in this particular model, the subspace not sensitive to any noise, than the traditional use of paired coding structure decoherence-free subspace can better achieve fault-tolerant quantum computing; (3) the quantum dot electron population numbers and build new combination of electron spin qubits, and the use of non-destructive measurement of qubit realized and applied to quantum computation, which is not only beneficial for scalability quantum computing, but also help conserve resources. More... »

URL

http://npd.nsfc.gov.cn/projectDetail.action?pid=11005029

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  • 2013-02. Quantum State Transfer with Tunable Couplings for Superconducting Qubits in INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
  • 2012-08. Operator Entanglement of Two-Qubit Joint Unitary Operations Revisited: Schmidt Number Approach in BRAZILIAN JOURNAL OF PHYSICS
  • 2012-07. Quantum Discord of Two-Qubit in Dephasing Model in INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
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