Tensor Product Approach to Quantum Control

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

In this proof-of-concept paper we show that tensor product approach is efficient for control of large quantum systems, such as Heisenberg spin wires, which are essential for emerging quantum computing technologies. We compute optimal control sequences using GRAPE method, applying the recently developed tAMEn algorithm to calculate evolution of quantum states represented in the tensor train format to reduce storage. Using tensor product algorithms we can overcome the curse of dimensionality and compute the optimal control pulse for a 41 spin system on a single workstation with fully controlled accuracy and huge savings of computational time and memory. The use of tensor product algorithms opens new approaches for development of quantum computers with 50–100 qubits.
Original languageEnglish
Title of host publicationIntegral Methods in Science and Engineering
Subtitle of host publicationAnalytic Treatment and Numerical Approximations
EditorsChristian Constanda, Paul Harris
PublisherSpringer International Publishing
Pages367-379
Number of pages13
ISBN (Electronic)978-3-030-16077-7
ISBN (Print)978-3-030-16076-0
DOIs
Publication statusE-pub ahead of print - 19 Jul 2019

Cite this

Quiñones-Valles, D., Dolgov, S., & Savostyanov, D. (2019). Tensor Product Approach to Quantum Control. In C. Constanda, & P. Harris (Eds.), Integral Methods in Science and Engineering: Analytic Treatment and Numerical Approximations (pp. 367-379). [Chapter 29] Springer International Publishing. https://doi.org/10.1007/978-3-030-16077-7_29

Tensor Product Approach to Quantum Control. / Quiñones-Valles, Diego; Dolgov, Sergey; Savostyanov, Dmitry.

Integral Methods in Science and Engineering: Analytic Treatment and Numerical Approximations. ed. / Christian Constanda; Paul Harris. Springer International Publishing, 2019. p. 367-379 Chapter 29.

Research output: Chapter in Book/Report/Conference proceedingChapter

Quiñones-Valles, D, Dolgov, S & Savostyanov, D 2019, Tensor Product Approach to Quantum Control. in C Constanda & P Harris (eds), Integral Methods in Science and Engineering: Analytic Treatment and Numerical Approximations., Chapter 29, Springer International Publishing, pp. 367-379. https://doi.org/10.1007/978-3-030-16077-7_29
Quiñones-Valles D, Dolgov S, Savostyanov D. Tensor Product Approach to Quantum Control. In Constanda C, Harris P, editors, Integral Methods in Science and Engineering: Analytic Treatment and Numerical Approximations. Springer International Publishing. 2019. p. 367-379. Chapter 29 https://doi.org/10.1007/978-3-030-16077-7_29
Quiñones-Valles, Diego ; Dolgov, Sergey ; Savostyanov, Dmitry. / Tensor Product Approach to Quantum Control. Integral Methods in Science and Engineering: Analytic Treatment and Numerical Approximations. editor / Christian Constanda ; Paul Harris. Springer International Publishing, 2019. pp. 367-379
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