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- Title
Development of a Spatially Resolved $$^3$$ He Quasi-Particle Detector.
- Authors
Barquist, C.; Zheng, P.; Jiang, W.; Lee, Y.; Yoon, Y.; Schumann, T.; Nogan, J.; Lilly, M.
- Abstract
Andreev surface bound sates are known to exist on the boundaries of superfluid $$^3$$ He-B. However, the detailed nature of their interaction with bulk quasi-particles is not well known. In a manner similar to angle-resolved photo-emission spectroscopy, surface states can be probed by measuring the change in momentum of bulk quasi-particles scattered from the surface. In order to make such a measurement, we have designed a spatially resolved quasi-particle detector. The detector consists of an array of micro-machined resonators, which are sensitive to quasi-particle flux. The detector is based on previously developed micro-machined resonators, which have been successfully used to study superfluid $$^3$$ He-B and $$^4$$ He. Presented here is the design of the detector and the fabrication procedure.
- Subjects
QUASIPARTICLES; PARTICLE detectors; HELIUM at low temperatures; BOUND states; SUPERFLUIDITY
- Publication
Journal of Low Temperature Physics, 2016, Vol 183, Issue 3/4, p307
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-015-1371-1