Quantum-based mechanical force realization in piconewton range

Jae Hyuk Choi; Min Seok Kim; Yon Kyu Park; Mahn Soo Choi

doi:10.1063/1.2591398

Quantum-based mechanical force realization in piconewton range

Jae Hyuk Choi, Min Seok Kim, Yon Kyu Park, Mahn Soo Choi

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

Abstract

Mechanical force realization based on flux quantization in the piconewton range is proposed. By controlling the number of flux quantum in a superconducting annulus, a force can be created as integer multiples of a constant step. For a 50 nm thick Nb annulus with inner and outer radii of 5 and 10 μm, respectively, and field gradient of 10 Tm, the force step is estimated to be 184 fN. The stability against thermal fluctuations is also addressed.

Original language	English
Article number	073117
Journal	Applied Physics Letters
Volume	90
Issue number	7
DOIs	https://doi.org/10.1063/1.2591398
Publication status	Published - 2007

Bibliographical note

Funding Information:
One of the authors (M.-S.C.) was supported by SRC/ERC (R11-2000-071) and KRF Grants (KRF-2005-070-C00055 and KRF-2006-312-C00543).

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2591398

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abstract = "Mechanical force realization based on flux quantization in the piconewton range is proposed. By controlling the number of flux quantum in a superconducting annulus, a force can be created as integer multiples of a constant step. For a 50 nm thick Nb annulus with inner and outer radii of 5 and 10 μm, respectively, and field gradient of 10 Tm, the force step is estimated to be 184 fN. The stability against thermal fluctuations is also addressed.",

author = "Choi, {Jae Hyuk} and Kim, {Min Seok} and Park, {Yon Kyu} and Choi, {Mahn Soo}",

note = "Funding Information: One of the authors (M.-S.C.) was supported by SRC/ERC (R11-2000-071) and KRF Grants (KRF-2005-070-C00055 and KRF-2006-312-C00543).",

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AU - Park, Yon Kyu

AU - Choi, Mahn Soo

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N2 - Mechanical force realization based on flux quantization in the piconewton range is proposed. By controlling the number of flux quantum in a superconducting annulus, a force can be created as integer multiples of a constant step. For a 50 nm thick Nb annulus with inner and outer radii of 5 and 10 μm, respectively, and field gradient of 10 Tm, the force step is estimated to be 184 fN. The stability against thermal fluctuations is also addressed.

AB - Mechanical force realization based on flux quantization in the piconewton range is proposed. By controlling the number of flux quantum in a superconducting annulus, a force can be created as integer multiples of a constant step. For a 50 nm thick Nb annulus with inner and outer radii of 5 and 10 μm, respectively, and field gradient of 10 Tm, the force step is estimated to be 184 fN. The stability against thermal fluctuations is also addressed.

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Quantum-based mechanical force realization in piconewton range

Abstract

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ASJC Scopus subject areas

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