Thermodynamic effects of singlequbit operations in siliconbased quantum computing
Abstract
Siliconbased quantum logic is a promising technology to implement universal quantum computing. It is widely believed that a millikelvin cryogenic environment will be necessary to accommodate siliconbased qubits. This prompts a question of the ultimate scalability of the technology due to finite cooling capacity of refrigeration systems. In this work, we answer this question by studying energy dissipation due to interactions between nuclear spin impurities and qubit control pulses. Furthermore, we demonstrate that this interaction constrains the sustainable number of singlequbit operations per second for a given cooling capacity.
 Authors:

 Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
 Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); The Univ. of Tennessee, Knoxville, TN (United States)
 Publication Date:
 Research Org.:
 Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
 Sponsoring Org.:
 USDOE
 OSTI Identifier:
 1439956
 Alternate Identifier(s):
 OSTI ID: 1544438
 Grant/Contract Number:
 AC0500OR22725
 Resource Type:
 Accepted Manuscript
 Journal Name:
 Physics Letters. A
 Additional Journal Information:
 Journal Volume: 382; Journal Issue: 32; Journal ID: ISSN 03759601
 Publisher:
 Elsevier
 Country of Publication:
 United States
 Language:
 English
 Subject:
 97 MATHEMATICS AND COMPUTING; Silicon qubit; Thermodynamic limit; Quantum computing
Citation Formats
Lougovski, Pavel, and Peters, Nicholas A. Thermodynamic effects of singlequbit operations in siliconbased quantum computing. United States: N. p., 2018.
Web. https://doi.org/10.1016/j.physleta.2018.05.027.
Lougovski, Pavel, & Peters, Nicholas A. Thermodynamic effects of singlequbit operations in siliconbased quantum computing. United States. https://doi.org/10.1016/j.physleta.2018.05.027
Lougovski, Pavel, and Peters, Nicholas A. Mon .
"Thermodynamic effects of singlequbit operations in siliconbased quantum computing". United States. https://doi.org/10.1016/j.physleta.2018.05.027. https://www.osti.gov/servlets/purl/1439956.
@article{osti_1439956,
title = {Thermodynamic effects of singlequbit operations in siliconbased quantum computing},
author = {Lougovski, Pavel and Peters, Nicholas A.},
abstractNote = {Siliconbased quantum logic is a promising technology to implement universal quantum computing. It is widely believed that a millikelvin cryogenic environment will be necessary to accommodate siliconbased qubits. This prompts a question of the ultimate scalability of the technology due to finite cooling capacity of refrigeration systems. In this work, we answer this question by studying energy dissipation due to interactions between nuclear spin impurities and qubit control pulses. Furthermore, we demonstrate that this interaction constrains the sustainable number of singlequbit operations per second for a given cooling capacity.},
doi = {10.1016/j.physleta.2018.05.027},
journal = {Physics Letters. A},
number = 32,
volume = 382,
place = {United States},
year = {2018},
month = {5}
}
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Figures / Tables:
FIG. 1: Average Zeeman energy change of the ^{29}Si nuclear spin (normalized to kT) as a function of the singlequbit rotation angle around X axis.
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Works referencing / citing this record:
Quantum process identification: a method for characterizing nonmarkovian quantum dynamics
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 Bennink, Ryan S.; Lougovski, Pavel
 New Journal of Physics, Vol. 21, Issue 8
Figures/Tables have been extracted from DOEfunded journal article accepted manuscripts.