Here's what you need to know to build a superconducting quantum computer.
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Principles of operation, design, control and measurement:
http://web.physics.ucsb.edu/~martinisgroup/theses/Sank2014.pdf
http://web.physics.ucsb.edu/~martinisgroup/theses/Kelly2015.pdf
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Cryogenic Hardware:
http://lmu.web.psi.ch/docu/manuals/bulk_manuals/BlueFors/Manual_H400_v1.3.2.pdf
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Thin Film Fabrication:
https://www.amazon.com/Handbook-Thin-Deposition-Krishna-Seshan/dp/1437778739
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Microwave electronics:
https://www.wiley.com/en-us/Microwave+Engineering%2C+4th+Edition-p-9780470631553
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OP must now deliver.