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The phenomenon of superconductivity depends on the coherence of the phase ofthe superconducting order parameter. The resistive transition inquasi-one-dimensional (quasi-1D) superconductors is broad because of a largephase fluctuation. We show that the resistive transition of a superconductingsingle-walled carbon nanotube bundle is in quantitative agreement with theLanger-Ambegaokar-McCumber-Halperin (LAMH) theory. We also demonstrate that theresistive transition below T^*_c = 0.89T_c0 is simply proportional to exp[-(3\beta T^*_c/T)(1-T/T^*_c)^3/2], where the barrier height has the same formas that predicted by the LAMH theory and T_c0 is the mean field superconductingtransition temperature.Comment: 4 pages, 3 figure

Quantitative test of a quantum theory for the resistive transition in a superconducting single-walled carbon nanotube bundle