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Events

17.09.2008. :: Seminar Laboratorije za atomsku fiziku INN Vinca

 

Mike Petrovića Alasa 12-14, Beograd
Sreda 17.09.2008. u 13:15
Svečana sala INN "Vinča"

"Soliton Management in Periodic Systems"

prof. BORIS A. MALOMED
Dept. of Physical Electronics
School of Electrical Engineering
Faculty of Engineering
Tel Aviv University, Israel


Profesor Malomed je do sada objavio preko 550 teorijskih radova od čega gotovo polovinu u časopisima Physical Review serije. Njegovi radovi su citirani više hiljada puta a nedavno je od strane američkog Društva fizičara dobio priznanje zbog svog izuzetnog doprinosa kao recezent (http://publish.aps.org/OutstandingReferees). Profesor Malomed se, između ostalog, bavi problemima nelinearne dinamike u optičkim sistemima, rešetkama, Džozefsonovim spojevima i Boze-Ajnštajn kondenzatima.

During the past ten years, there has been intensive development in theoretical and experimental studies of dynamics of solitons in periodic heterogeneous media, which are built as periodic concatenations of very different elements. Well-known examples are dispersion management in fiber optics, and (more recently) soliton transmission in photonic crystals. The talk aims to give a brief overview of basic results in the field, with an attempt to propose a concept of a general class of such systems. New systems belonging to the class have recently been identified in nonlinear optics (such as "split-step" and "tandem" models), and the transmission of solitary pulses in them was investigated. Similar soliton dynamics occurs in temporal-domain counterparts of such systems, which are subject to strong time-periodic modulation (an important example is the "Feshbach-resonance management" in Bose-Einstein condensates).
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