Metallic low-temperature resistivity in 2D over an extended temperature range

Details Metallic low-temperature resistivity in 2D over an extended temperature range Metallic low-temperature resistivity in 2D over an extended temperature range

1999-09-30

arxiv.org/abs/cond-mat/9909458v3

Phys. Rev. Lett. 84, 2909 (2000)

Physics

Condensed Matter

Strongly Correlated Electrons

One reference corrected. To be published in PRL

Scientific paper

10.1103/PhysRevLett.84.2909

We report measurements of the zero-field resistivity in dilute 2D electron system in silicon at temperatures down to 35 mK. This extends the previously explored range of temperatures by almost an order of magnitude. On the metallic side, the resistivity near the metal-insulator transition continues to decrease with decreasing temperature and shows no low-temperature up-turn. At the critical electron density, the resistivity is found to be temperature-independent in the entire temperature range 35 mK to 1 K.

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