Enhanced charge detection: Amplification factor, phase reversal and measurement time dependence

Journal Article · Wed Dec 04 00:00:00 EST 2013 · AIP Conference Proceedings

DOI:https://doi.org/10.1063/1.4848529· OSTI ID:22261935

Thorgrimson, J.; Sachrajda, A. S. ^[1]; Studenikin, S. A.; Bogan, A. ^[2]; Aers, G. C.; Kam, A.; Zawadzki, P.; Wasilewski, Z. R. ^[3]

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1. National Research Council Canada, Ottawa, ON Canada K1A 0R6 and Department of Physics, McGill University, 3600 rue University, Montreal, QC (Canada)
2. National Research Council Canada, Ottawa, ON Canada K1A 0R6 and Department of Physics and Astronomy, University of Waterloo, 200 University Avenue West, Waterloo, ON (Canada)
3. National Research Council Canada, Ottawa, ON (Canada)

Studenikin et al. recently demonstrated a significant enhancement of the fringe contrast of coherent Landau-Zener-Stückelberg (LZS) oscillations between singlet S and triplet T+ two-spin states using a modified charge detection technique called enhanced charge detection (ECD). In this paper we explain the amplitude phase reversal and confirm the magnitude of the effect is consistent with our calibrations. We also show that the enhancement cannot be explained by a T{sub 1} effect.

• OSTI ID: 22261935
• Journal Information: AIP Conference Proceedings, Vol. 1566, Issue 1; Conference: ICPS 2012: 31. international conference on the physics of semiconductors, Zurich (Switzerland), 29 Jul - 3 Aug 2012; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); ISSN 0094-243X
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
AMPLITUDES
DETECTION
OSCILLATIONS
SPIN
TIME DEPENDENCE