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11 June 2003 Tunnel gaps in the two-dimensional electron system in a magnetic field
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We have studied the near-equilibrium tunnelling between identical two-dimensional electron systems at 0.3 K over a wide range of magnetic field applied normal to the electron layers. The magnetic field suppresses the electron tunnelling. Our results are consistent with the co-existence of two types of tunneling gap. Moreover, at ν < 2 additional features arise in the tunneling spectra, which we interpret in terms of the emission of some as yet unidentified quasiparticle.
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Yu V. Dubrovskii, P. C. Main, Laurence Eaves, V. A. Volkov, D. Yu. Ivanov, E. E. Vdovin, Yu N. Khanin, V. G. Popov, D. K. Maude, Jean-Claude Portal, Mohamed Henini, and Geoff Hill "Tunnel gaps in the two-dimensional electron system in a magnetic field", Proc. SPIE 5023, 10th International Symposium on Nanostructures: Physics and Technology, (11 June 2003);

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