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Results 1-10 of 21 (Search time: 0.003 seconds).
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Issue DateTitleAuthor(s)
2005-09Spectral Fluctuations and 1/f Noise in the Order-Chaos Transition RegimeBandyopadhyay, Jayendra N.
2005-04Entanglement production in quantized chaotic systemsBandyopadhyay, Jayendra N.
2005-06Photoluminescence spectroscopy of many-body effects in heavily doped AlxGa1−xAsSarkar, Niladri
2005-05Crystallization studies on AgI–Ag2O–MoO3 superionic system synthesized by melt quenching and mechanical millingDalvi, Anshuman
2005-03Isocurvature fluctuations through axion trapping by cosmic string wakesLayek, Biswanath
2005-04We theoretically investigate the generation of higher harmonics and the construction of a single attosecond pulse (ASP) by means of two oppositely polarized sinc-shaped driver pulses. In comparison to a few-cycle Gaussian pulse of the same energy, here we observe a significant broadening in the bandwidth of the XUV/soft x-ray supercontinuum spectrum in the synthesized pulse. Furthermore, we observe that the harmonic cutoff and its corresponding intensity follow a well-defined scaling with the delay parameter between the two pulses. In principle, this delay can easily be tuned on an optical bench. The typical nature of the synthesized pulse ensures the generation of a single ASP instead of a pulse train. In this case, we obtain a single ASP with a duration of ∼27 attoseconds in the XUV/soft x-ray regime of the electromagnetic spectrum. Depending on the delay parameter we observe an enhancement in some satellite harmonics. The proposed setup promises a highly tunable source of energetic photons, wherein the energy of the photons can easily be controlled from the XUV to the soft x-ray regime by simply changing the delay between two oppositely polarized sinc-pulsesBandyopadhyay, Jayendra N.
2005-03Statistical theory of force-induced unzipping of DNASingh, Navin
2005Suppression superconductivity in Bi-2223 by lightSarkar, Niladri
2005-04Strings with a confining core in a quark-gluon plasmaLayek, Biswanath
2005Thermal Investigation on Mechanically Milled and Melt - Quenched Superionic GlassesDalvi, Anshuman