A SQUID-Based Picovoltmeter for Quantum Resistors
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DOI: 10.1007/s10909-020-02388-4
Abstract: We present a sensitive voltage amplifier suited for measurements of source impedances in the k$$\Omega$$ range at dilution refrigerator temperatures. The circuit is based on a commercial dc SQUID, an impedance matching transformer, and it… read more here.
Keywords: quantum resistors; picovoltmeter quantum; based picovoltmeter; squid based ... See more keywords