Visible effects of apparently invisible solenoids

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


An infinitesimally thin solenoid carrying quantized magnetic flux n=nbc/e cannot be detected by point particles. However, if encircled by their world sheets, such a solenoid need not stay invisible to charged superconducting closed strings. A novel reparametrization-invariant effect, sensitive to the total (gauge-invariant) magnetic flux penetrating through the test loop, is derived. Borrowing the Kaluza-Klein language, it reflects the interplay between the periodicity of the world sheet and the x5 periodicity of space-time.

Original languageEnglish
Pages (from-to)145-148
Number of pages4
JournalPhysical Review Letters
Issue number2
StatePublished - 1 Jan 1990

ASJC Scopus subject areas

  • Physics and Astronomy (all)


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