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Small in size, high on impact

22 May 1998

Since the heyday of quantum mechanics, when Niels Bohr and Copenhagen became synonymous with the development and interpretation of quantum theory, physics has flourished in Denmark. Indeed, when countries are ranked according to their relative citation impact in physics - an indication of the quality of the average physics research paper from that country - Denmark is rated second in the world. The other Scandinavian countries also do well. Last year they all appeared in the top 12 nations for science, as ranked by the number of papers per person and the number of citations per person. However, despite this track record, all four countries face problems that are common to all leading scientific nations: physicists are concerned about funding for research, the recruitment of university staff and the fall in the number of young people studying physics.

Secrets of success One of the reasons for this high impact is that Scandinavian physicists specializ

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