Picosecond studies of nonequilibrium flux dynamics in a superconductor

M. R. Freeman

doi:10.1103/PhysRevLett.69.1691

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Picosecond studies of nonequilibrium flux dynamics in a superconductor

M. R. Freeman

DOI 10.1103/PhysRevLett.69.1691 · Physical Review Letters

T1

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Abstract

A fast magneto-optical technique is used to explore flux dynamics in the optically driven nonequilibrium state of type-I superconducting Pb films. It is found that the penetration of magnetic flux through the nonequilibrium intermediate state can be dramatically faster than through the normal metal. Studies as a function of how far the system is driven from equilibrium, and of the effect of a static applied magnetic field, indicate that the observations reflect the dynamics of normal/superconducting interfaces, and are strongly dependent on the microscopic pattern of the intermediate state.

Source-reported materials — not catalogue approval

Formula	Reported Tc (K)	Pressure (GPa)	Type
Pb Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.	7.2	Pressure not reported	unknown