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Dynamics of Encoded Spin Qubits in S...

Hung, Jo-Tzu.

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Dynamics of Encoded Spin Qubits in Semiconductor Quantum Dots.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Dynamics of Encoded Spin Qubits in Semiconductor Quantum Dots./
作者:	Hung, Jo-Tzu.
面頁冊數:	128 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.
Contained By:	Dissertation Abstracts International77-02B(E).
標題:	Physics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3725931
ISBN:	9781339103792

Dynamics of Encoded Spin Qubits in Semiconductor Quantum Dots.
Hung, Jo-Tzu.

Dynamics of Encoded Spin Qubits in Semiconductor Quantum Dots. - 128 p.

Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.

Thesis (Ph.D.)--State University of New York at Buffalo, 2015.

This dissertation aims to clarify the dynamics of encoded spin qubits in semiconductor quantum dots. The major part of the dissertation features a study of pure dephasing of multiple-electron spin states in coupled semiconductor quantum dots due to hyperfine interaction. With a perturbation approach, this work can effectively describe the multiple-electron spin states, and calculates the dynamics of qubit free evolution and with the application of dynamical decoupling within reasonable approximation. The derived hyperfine induced dephasing can offer an understanding of the decoherence of a pseudospin qubit, and is also relevant to the fidelity of gate operations.

ISBN: 9781339103792Subjects--Topical Terms:

516296
Physics.

Dynamics of Encoded Spin Qubits in Semiconductor Quantum Dots.
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500 $a Source: Dissertation Abstracts International, Volume: 77-02(E), Section: B.
500 $a Adviser: Xuedong Hu.
502 $a Thesis (Ph.D.)--State University of New York at Buffalo, 2015.
520 $a This dissertation aims to clarify the dynamics of encoded spin qubits in semiconductor quantum dots. The major part of the dissertation features a study of pure dephasing of multiple-electron spin states in coupled semiconductor quantum dots due to hyperfine interaction. With a perturbation approach, this work can effectively describe the multiple-electron spin states, and calculates the dynamics of qubit free evolution and with the application of dynamical decoupling within reasonable approximation. The derived hyperfine induced dephasing can offer an understanding of the decoherence of a pseudospin qubit, and is also relevant to the fidelity of gate operations.
520 $a The remaining part of the dissertation presents the relaxation dynamics of spin-orbit-hybrized states in a nanowire quantum dot due to electrical noises. To deal with strong spin-orbit coupling, the employed treatment starts by solving the Schrodinger equation for a spinor, and the author wishes to develop a convenient and effective tool to describe the spin-orbit-hybrized states.
590 $a School code: 0656.
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