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  • AIP Publishing  (3)
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  • AIP Publishing  (3)
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  • 1
    Online Resource
    Online Resource
    Real-time counting of single electron tunneling through a T-shaped double quantum dot system
    AIP Publishing ; 2010
    In:  Journal of Applied Physics Vol. 108, No. 8 ( 2010-10-15)
    Details
    In: Journal of Applied Physics, AIP Publishing, Vol. 108, No. 8 ( 2010-10-15)
    Abstract: Real-time detection of single electron tunneling through a T-shaped double quantum dot is simulated, based on a Monte Carlo scheme. The double dot is embedded in a dissipative environment and the presence of electrons on the double dot is detected with a nearby quantum point contact. We demonstrate directly the bunching behavior in electron transport, which leads eventually to a super-Poissonian noise. Particularly, in the context of full counting statistics, we investigate the essential difference between the dephasing mechanisms induced by the quantum point contact detection and the coupling to the external phonon bath. A number of intriguing noise features associated with various transport mechanisms are revealed.
    Type of Medium: Online Resource
    ISSN: 0021-8979 , 1089-7550
    URL: Article
    DOI: 10.1063/1.3501026
    Language: English
    Publisher: AIP Publishing
    Publication Date: 2010
    detail.hit.zdb_id: 220641-9
    detail.hit.zdb_id: 3112-4
    detail.hit.zdb_id: 1476463-5
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    Online Resource
  • 2
    Online Resource
    Online Resource
    Investigation on a new inducer of pulsed eddy current thermography
    AIP Publishing ; 2016
    In:  AIP Advances Vol. 6, No. 9 ( 2016-09-01)
    Details
    In: AIP Advances, AIP Publishing, Vol. 6, No. 9 ( 2016-09-01)
    Abstract: In this paper, a new inducer of pulsed eddy current thermography (PECT) is presented. The use of the inducer can help avoid the problem of blocking the infrared (IR) camera’s view in eddy current thermography technique. The inducer can also provide even heating of the test specimen. This paper is concerned with the temperature distribution law around the crack on a specimen when utilizing the new inducer. Firstly, relative mathematical models are provided. In the following section, eddy current distribution and temperature distribution around the crack are studied using the numerical simulation method. The best separation distance between the inducer and the specimen is also determined. Then, results of temperature distribution around the crack stimulated by the inducer are gained by experiments. Effect of current value on temperature rise is studied as well in the experiments. Based on temperature data, temperature features of the crack are discussed.
    Type of Medium: Online Resource
    ISSN: 2158-3226
    URL: Article
    DOI: 10.1063/1.4963894
    Language: English
    Publisher: AIP Publishing
    Publication Date: 2016
    detail.hit.zdb_id: 2583909-3
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  • 3
    Online Resource
    Online Resource
    Pump-dump control and the related transient absorption spectroscopies
    AIP Publishing ; 1999
    In:  The Journal of Chemical Physics Vol. 110, No. 15 ( 1999-04-15), p. 7192-7201
    Details
    In: The Journal of Chemical Physics, AIP Publishing, Vol. 110, No. 15 ( 1999-04-15), p. 7192-7201
    Abstract: We combine theories of optimal pump-dump control and the related transient probe absorption spectroscopy in order to elucidate the relation between these two optical processes and the possibility of experimental realization. In the weak response regime, we identify the globally optimal pair of pump-dump control fields, and further propose a second-order difference detection scheme to monitor the wave packets dynamics that is jointly controlled by both the pump and dump fields. The globally optimal solution serves also as the initial input for the iterative search for the optimal control fields in the strong response regime. We use a model I2 molecule to demonstrate numerically the pump-dump control and the detection of a highly vibrationally excited wave packet focusing dynamics on the ground X surface in both the weak and strong response regimes. The I2B surface serves as the intermediate to assist the pump-dump control and the optical detection processes. Demonstrated in the strong response regime are the optimal pair of pump-dump molecular-π pulses that invert nearly total population onto the predefined target region within a half period of vibration motion.
    Type of Medium: Online Resource
    ISSN: 0021-9606 , 1089-7690
    URL: Article
    DOI: 10.1063/1.478623
    Language: English
    Publisher: AIP Publishing
    Publication Date: 1999
    detail.hit.zdb_id: 3113-6
    detail.hit.zdb_id: 1473050-9
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