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  • for Optimization of Quantum Cascade Laser Active Region Parameters and Calculation of Output Characteristics in Magnetic Field Comput Phys Commun 185 2014 998 doi 10 1016 j cpc 2013 10 025 J Smiljanic and I E Stankovic Efficient Routing on Small Complex Networks Without Buffers Physica A 392 2013 2294 doi 10 1016 j physa 2013 01 033 arxiv 1208 1401 J Smiljanic M Zezelj and I E Stankovic Study

    Original URL path: http://www.scl.rs/publications/papers.php?who=444 (2016-02-10)
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  • M Zezelj J Smiljanic and A Belic Modelling of Disaster Spreading Dynamics Modeling and Optimization in Science and Technologies 2 2013 31 Belgrade Serbia doi 10 1007 978 3 319

    Original URL path: http://www.scl.rs/publications/proceedings.php?who=444 (2016-02-10)
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  • and Relaxation in Photoexcited Semiconductors Phys Rev B 92 2015 235208 doi 10 1103 PhysRevB 92 235208 arxiv 1510 04858 V Jankovic and N Vukmirovic Nonequilibrium Optical Conductivity in Materials with Localized Electronic States Phys Rev B 90 2014 224201

    Original URL path: http://www.scl.rs/publications/papers.php?who=506 (2016-02-10)
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  • SCL
    by Jelena Smiljanic 12 January 2016 In memoriam Nikola Buric 28 December 2015 SCL Seminar by Milos Radonjic 25 December 2015 SCL Seminar by Milan Radonjic 18 December 2015 SCL Seminar by Nenad Vukmirovic 11 December 2015 SCL Seminar by

    Original URL path: http://www.scl.rs/component/contact/ (2016-02-10)
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  • SCL BEC codes
    wave scattering length Phys Rev A 84 2011 013618 arXiv e print 1106 4686 In a recent experiment a Bose Einstein condensate of 7 Li has been excited by a harmonic modulation of the atomic s wave scattering length via Feshbach resonance Combining an analytical perturbative approach with extensive numerical simulations we analyze the emerging nonlinear dynamics of the system on the mean field Gross Pitaevskii level at zero temperature Resulting excitation spectra are presented and prominent nonlinear features are found mode coupling higher harmonics generation and significant shifts in the frequencies of collective modes We indicate how nonlinear dynamical properties could be made clearly observable in future experiments and compared to our results The following Mathematica codes were written for this paper Frequency shift of the collective oscillation mode for a spherically symmetric BEC Mathematica notebook Frequency shift of the quadrupole mode for an axially symmetric BEC Mathematica notebook and initialization file created by the initialization notebook Frequency shift of the breathing mode for an axially symmetric BEC Mathematica notebook and initialization file created by the initialization notebook News 12 February 2016 SCL Seminar by Jelena Smiljanic 12 January 2016 In memoriam Nikola Buric 28 December 2015 SCL Seminar

    Original URL path: http://www.scl.rs/scl-research/scl-codes?id=706:scl-bec-codes&catid=5 (2016-02-10)
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  • SPEEDUP Mathematica demonstrations
    support of Wolfram Research experts and based on SPEEDUP Mathematica codes we have developed a series of demonstrations illustrating the most important advantages of the effective action approach Short time expansion of quantum amplitudes harmonic anharmonic oscillator double well View on line at Wolfram Demonstrations or Download Mathematica Player Notebook Short time expansion of amplitudes for time dependent potentials forced harmonic oscillator View on line at Wolfram Demonstrations or Download

    Original URL path: http://www.scl.rs/scl-research/scl-codes?id=553:speedup-mathematica-demonstrations&catid=1 (2016-02-10)
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  • SPEEDUP codes for J. Stat. Mech. (2011) P03004 and P03005
    the short time expansion of the propagator for a general quantum system with many degrees of freedom in a time dependent potential to orders that have not yet been accessible before Based on the earlier developed approach the propagator is expressed in terms of a discretized effective potential for which we derive and analytically solve a set of efficient recursion relations Such a discretized effective potential can be used for solving a plethora of non equilibrium many body quantum problems within the exact diagonalization arXiv 0911 5145 and arXiv 0911 5154 or Path Integral Monte Carlo approach or to set up various analytic approximation techniques to study dynamic properties of quantum systems in time dependent potentials The analytically derived results are numerically verified by treating several simple models in both imaginary and real time The following Mathematica and C codes were written for this paper Calculation of imaginary time single particle one dimensional effective action for a general time dependent potential Mathematica notebook and p 10 result Calculation of real time single particle one dimensional effective action for a general time dependent potential Mathematica notebook and p 10 result Calculation of imaginary time single particle one dimensional effective action for a forced harmonic oscillator Mathematica notebook and p 20 result Serial SPEEDUP C code for p 8 Calculation of real time single particle one dimensional effective action for a forced harmonic oscillator Mathematica notebook and p 20 result Calculation of imaginary time single particle one dimensional effective action for a time dependent harmonic oscillator Mathematica notebook and p 20 result Serial SPEEDUP C code for p 8 Calculation of real time single particle one dimensional effective action for a time dependent harmonic oscillator Mathematica notebook and p 20 result Calculation of imaginary time single particle one dimensional effective action for

    Original URL path: http://www.scl.rs/scl-research/scl-codes?id=561:speedup-codes-for-j-stat-mech-2011-p03004-and-p03005&catid=5 (2016-02-10)
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  • SPEEDUP codes for Phys. Rev. E 79 (2009) 036701
    of path integrals With this we obtain discrete time effective actions for both one and many particles in arbitrary dimension to orders which have not been accessible before The derived effective actions are given as series in the time of propagation ε and ensure the convergence to the continuum as fast as ε p Currently available results are p 10 level effective action for a general many body theory and p 35 for a single particle moving in one dimension For several specific classes of potentials one can calculate even higher order effective potentials as can be seen below The following Mathematica codes were written for this paper Calculation of many body effective action for a general potential Mathematica notebook and p 10 result Calculation of a single particle one dimensional effective action for a general potential Mathematica notebook and p 35 result Calculation of the velocity independent part of a single particle one dimensional effective action for a general potential Mathematica notebook and p 37 result Calculation of a single particle one dimensional effective action for an anharmonic oscillator with the quartic coupling Mathematica notebook and p 144 result Calculation of a single particle one dimensional effective action for

    Original URL path: http://www.scl.rs/scl-research/scl-codes?id=559:speedup-codes-for-phys-rev-e-79-2009-036701&catid=5 (2016-02-10)
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