政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/131977

政大機構典藏-National Chengchi University Institutional Repository(NCCUR):Item 140.119/131977

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政大機構典藏 > 理學院 > 應用物理研究所 > 學位論文 > Item 140.119/131977

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題名:	以量子電腦模擬量子自旋鏈 Simulating quantum spin chains on a quantum computer
作者:	李佳豪 Lee, Jia-Hao
貢獻者:	林瑜琤許琇娟 Lin, Yu-Cheng Hsu, Hsiu-Chuan 李佳豪 Lee, Jia-Hao
關鍵詞:	量子電路量子自旋鏈變分量子特徵值解法量子糾纏量子費雪訊息 IBM-Q Qiskit Quantum circuit Quantum spin chain Variational Quantum Eigensolver (VQE) Quantum entanglement Quantum Fisher information
日期:	2020
上傳時間:	2020-09-02 14:08:38 (UTC+8)
摘要:	我們利用雲端 IBM-Q 量子電腦及其搭配的程式套件 Qiskit 來探討量子自旋鏈的基態性質及淬火動力學。我們先在傳統電腦上運用變分量子特徵值解法求得自旋鏈的近似基態波函數，再以量子電腦或 Qiskit 提供的模擬器測量磁化量、量子費雪訊息等觀察量。我們根據所得的結果討論變分法及目前量子電腦在處理量子多體問題上的侷限。 We study ground-state properties and quench dynamics of the quantum Ising chain using IBM’s cloud-based quantum computer and its programming framework Qiskit. The approximate ground states of the spin chain are obtained by means of the Variational Quantum Eigensolver (VQE), implemented on conventional computers. Measurements of several observables, such as magnetization and quantum Fisher information, for the ground states are then carried out on a quantum computer or on a simulator provided by Qiskit. Based on our results, we discuss some limitations of the VQE and its implementation on a quantum computer for solving the quantum many-body problem.
參考文獻:	[1] R. P. Feynman, Int. J. Theor. Phys 21 (1982). [2] The Q# Programming Language, https://docs.microsoft.com/enus/quantum/. [3] Cirq, https://cirq.readthedocs.io/en/stable. [4] Qiskit, https://qiskit.org/. [5] A. Barenco et al., Physical Review A 52, 3457–3467 (1995). [6] A. Peruzzo et al., Nature communications 5, 4213 (2014). [7] G. Nannicini, Physical Review E 99, 013304 (2019). [8] M. J. Powell, A direct search optimization method that models the objective and constraint functions by linear interpolation, in Advances in Optimization and Numerical Analysis. Mathematics and Its Applications, pages 51–67, 1994. [9] J. C. Spall, Johns Hopkins apl technical digest 19, 482 (1998). [10] G. Vidal, Physical Review Letters 93 (2004). [11] M. Suzuki, Communications in Mathematical Physics 51, 183 (1976). [12] N. Hatano and M. Suzuki, Lecture Notes in Physics , 37-68 (2005). [13] E. Gustafson, Y. Meurice, and J. Unmuth-Yockey, Physical Review D 99 (2019). [14] A. Smith, M. S. Kim, F. Pollmann, and J. Knolle, npj Quantum Information 5 (2019). [15] A. W. Sandvik, Computational studies of quantum spin systems, in AIP Conference Proceedings, volume 1297, pages 135–338, American Institute of Physics, 2010. [16] H. F. Song et al., Physical Review B 85 (2012). [17] P. Hyllus et al., Physical Review A 85 (2012). [18] G. Tóth, Phys. Rev. A 85, 022322 (2012). [19] O. Gühne, G. Tóth, and H. J. Briegel, New Journal of Physics 7, 229–229 (2005). [20] QuTiP: Quantum Toolbox in Python, http://qutip.org/.
描述:	碩士國立政治大學應用物理研究所 107755004
資料來源:	http://thesis.lib.nccu.edu.tw/record/#G0107755004
資料類型:	thesis
DOI:	10.6814/NCCU202001614
顯示於類別:	[應用物理研究所 ] 學位論文

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500401.pdf		9987Kb	Adobe PDF2	744	檢視/開啟

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