Summary
We analytically calculate the Čerenkov radiation from a closed string arising from the Nambu action as a solution of a circularly oscillating closed string in an isotropic, permeable medium with index of refraction\(\sqrt {\mu \varepsilon } \). A numerical analysis of the expression is also given. The problem is treated from a quantum-mechanical viewpoint.
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Work supported by the Department of National Defence Award under CRAD No. 3610-637: FUHDT.
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Manoukian, E.B. Čerenkov-like radiation from a nambu string. Nuov Cim A 104, 1459–1466 (1991). https://doi.org/10.1007/BF02817428
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DOI: https://doi.org/10.1007/BF02817428