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PHYSICS: Data From A.R. Mkrtchyan Et Al Provide New Insights Into Ph

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  • PHYSICS: Data From A.R. Mkrtchyan Et Al Provide New Insights Into Ph

    PHYSICS; DATA FROM A.R. MKRTCHYAN ET AL PROVIDE NEW INSIGHTS INTO PHYSICS

    News of Science
    December 19, 2010

    "Transition radiation from relativistic electrons is investigated
    in an ultrasonic superlattice excited in a finite thickness plate,"
    scientists in Yerevan, Armenia report.

    "In the quasi-classical approximation, formulae are derived for
    the vector potential of the electromagnetic field and for the
    spectral-angular distribution of the radiation intensity. The acoustic
    waves generate new resonance peaks in the spectral and angular
    distribution of the radiation intensity," wrote A.R. Lazarian and
    colleagues.

    The researchers concluded: "The heights of the peaks can be tuned by
    choosing the parameters of the acoustic wave."

    Lazarian and colleagues published their study in Modern Physics
    Letters B (Optical Transition Radiation In Presence Of Acoustic Waves.

    Modern Physics Letters B, 2010;24(27):2693-2703).

    For additional information, contact A.R. Lazarian, Institute Applied
    Problems Physics, 25 Nersessian St., Yerevan 0014, Armenia.

    The publisher's contact information for the journal Modern Physics
    Letters B is: World Scientific Publ Co. Pte Ltd., 5 Toh Tuck Link,
    Singapore 596224, Singapore.




    From: A. Papazian
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