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Dr Roshan Krishna Kumar

Research student

  1. 2019
  2. Published

    Excess resistivity in graphene superlattices caused by umklapp electron–electron scattering

    Wallbank, J. R., Krishna Kumar, R., Holwill, M., Wang, Z., Auton, G. H., Birkbeck, J., Mishchenko, A., Ponomarenko, L. A., Watanabe, K., Taniguchi, T., Novoselov, K. S., Aleiner, I. L., Geim, A. K. & Fal’ko, V. I., 2019, In : Nature physics. 15, 1, p. 32-36 5 p.

    Research output: Contribution to journalJournal article

  3. 2017
  4. E-pub ahead of print

    Superballistic flow of viscous electron fluid through graphene constrictions

    Krishna Kumar, R., Bandurin, D. A., Pellegrino, F. M. D., Cao, Y., Principi, A., Guo, H., Auton, G. H., Ben Shalom, M., Ponomarenko, L. A., Falkovich, G., Watanabe, K., Taniguchi, T., Grigorieva, I. V., Levitov, L. S., Polini, M. & Geim, A. K., 21/08/2017, In : Nature physics.

    Research output: Contribution to journalLetter

  5. Published

    High-temperature quantum oscillations caused by recurring Bloch states in graphene superlattices

    Krishna Kumar, R., Chen, X., Auton, G. H., Mishchenko, A., Bandurin, D. A., Morozov, S. V., Cao, Y., Khestanova, E., Ben Shalom, M., Kretinin, A. V., Novoselov, K. S., Eaves, L., Grigorieva, I. V., Ponomarenko, L. A., Falko, V. & Geim, A. K., 14/07/2017, In : Science. 357, 6347, p. 181-184 4 p.

    Research output: Contribution to journalJournal article

  6. Published

    High temperature quantum transport in graphene/hexagonal-boron nitride heterostructures

    Krishna Kumar, R., 2017, Lancaster University. 147 p.

    Research output: ThesisDoctoral Thesis

  7. 2016
  8. Published

    Scaling approach to tight-binding transport in realistic graphene devices: the case of transverse magnetic focusing

    Beconcini, M., Valentini, S., Krishna Kumar, R., Auton, G. H., Geim, A. K., Ponomarenko, L. A., Polini, M. & Taddei, F., 30/09/2016, In : Physical review B. 94, 11, 11 p., 115441.

    Research output: Contribution to journalJournal article

  9. Published

    Negative local resistance caused by viscous electron backflow in graphene

    Bandurin, D. A., Torre, I., Kumar, R. K., Ben Shalom, M., Tomadin, A., Principi, A., Auton, G. H., Khestanova, E., Novoselov, K. S., Grigorieva, I. V., Ponomarenko, L. A., Geim, A. K. & Polini, M., 4/03/2016, In : Science. 351, 6277, p. 1055-1058 4 p.

    Research output: Contribution to journalJournal article

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