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Research Workshop
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Detailed Description of the Project |
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Clustering processes in first-order phase transformations
play an important role in a large variety of
scientific and technological applications. An adequate
theoretical description of such processes is therefore of considerable
interest. The theoretical approach applied so far in the interpretation of experimental results is based mainly on classical nucleation theory, its extensions and modifications. Here a number of problems remain, however, unsettled till now both of fundamental character as well as with respect to possible applications. The scientists to be invited belong to research groups distinguished by their contributions to the solution of these problems. With two of the groups (Prof. Gutzow, Sofia; Prof. Slezov, Kharkov) close cooperation links exist already for an extended period of time. Discussions with representatives of other groups (Prof. Grinin, Prof. Shchekin, Prof. Kukushkin, St. Petersburg, Prof. Babak, Prof. Smirnov, Prof. Lushnikov, Prof. Guria, Moscow, Dr. Kozisek, Prague) during a conference in Helsinki in August, 1996, and the workshop in Dubna, 1997, showed that similar problems are analyzed there, at part, with till now widely unknown results. This way, the first aim of the 2nd meeting consists in the continuation of mutual detailed information and discussion of the work done in the different groups. As it has been the case already this year, it is expected that such a discussion will be of great use for all of the participants and initiate further common research projects. As a second direction, the meeting is aimed for a continuation of a number of common research projects under way. One of the main topics will be the analysis of the problem how the recently developed model of nucleation and growth in freely expanding gases may be applied as an adequate tool for the understanding of multifragmentation in heavy-ion collisions. As the third aim, a detailed discussion of bubble formation as a special kind of phase formation prcesses will be initiated. This process is till now scarcely studied, however, of great potential interest in a variety of application. With respect to nuclear theory, particular attention will be directed to a theoretical description of bubble formation and growth in expanding nuclear systems. <- back |
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