STM measurement of single spin relaxation time in superconductors

Details STM measurement of single spin relaxation time in superconductors STM measurement of single spin relaxation time in superconductors

2001-04-26

arxiv.org/abs/cond-mat/0104499v1

Physics

Condensed Matter

Superconductivity

4 pages, 4 figures (1 color)

Scientific paper

Localized spin states in conventional superconductors at low temperatures are expected to have long decoherence time due to the strong suppression of spin relaxation channels. We propose a scanning tunneling microscopy (STM) experiment allowing the direct measurement of the decoherence time of a single spin in a conventional superconductor. The experimental setup can be readily applied to general-purpose spin-polarized STM and to local spin relaxation spectroscopy. A possible extension of the setup to a quantum information processing scheme is discussed.

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