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Suppression of ther...
Suppression of thermal fluctuations of nanomechanical resonator (ground state cooling) by thermally activated electronic flow
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- Gorelik, Leonid, 1952 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Santandrea, Fabio, 1981 (författare)
- Göteborgs universitet,University of Gothenburg
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- Shekhter, Robert I., 1947 (författare)
- Göteborgs universitet,University of Gothenburg
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- Jonson, Mats, 1947 (författare)
- Göteborgs universitet,University of Gothenburg
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(creator_code:org_t)
- ISBN 9781457701924
- 2011
- 2011
- Engelska.
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Ingår i: 21st International Conference on Noise and Fluctuations, ICNF 2011; Toronto, ON; 12 June 2011 through 16 June 2011. - 9781457701924 ; , s. 223-226
- Relaterad länk:
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http://dx.doi.org/10...
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https://research.cha...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We consider a doubly clamped suspended metallic carbon nanotube in which extra charge is injected from the tipof a scanning tunneling microscopy (STM). Our analysis shows that the quantum superposition between the different inelastic electronic tunneling paths can be controlled by the bias voltage. In particular, we find that below Coulomb blockade threshold the vibron emission induced by thermally activated electron transportation can be significantly reduced in comparison to the vibron absorption. As a consequence a net suppression of the thermal fluctuations ("cooling") of the vibrational degrees of freedom can be achieved. © 2011 IEEE.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
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