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Rep Prog Phys. 2012 Jan;75(1):016401. doi: 10.1088/0034-4885/75/1/016401. Epub 2011 Dec 9.

Superfluid helium quantum interference devices: physics and applications.

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  • 1Rowland Institute at Harvard, Harvard University, Cambridge, MA 02142, USA.


We present an overview of recent developments related to superfluid helium quantum interference devices (SHeQUIDs). We discuss the physics of two reservoirs of superfluid helium coupled together and describe the quantum oscillations that result from varying the coupling strength. We explain the principles behind SHeQUIDs that can be built based on these oscillations and review some techniques and applications.

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