Tunable fractional quantum Hall phases in bilayer graphene-Reference-Cited by-同舟云学术

Tunable fractional quantum Hall phases in bilayer graphene

Published:2014-07-04 Issue:6192 Volume:345 Page:61-64
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Maher Patrick¹,Wang Lei²,Gao Yuanda³,Forsythe Carlos¹,Taniguchi Takashi⁴,Watanabe Kenji⁴,Abanin Dmitry⁵⁶,Papić Zlatko⁵⁶,Cadden-Zimansky Paul⁷,Hone James³,Kim Philip¹,Dean Cory R.⁸

Affiliation:

1. Department of Physics, Columbia University, New York, NY 10027, USA.

2. Department of Electrical Engineering, Columbia University, New York, NY 10027, USA.

3. Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA.

4. National Institute for Materials Science, 1-1 Namiki, Tsukuba, Japan.

5. Perimeter Institute for Theoretical Physics, Waterloo, ON N2L 2Y5, Canada.

6. Institute for Quantum Computing, Waterloo, ON N2L 3G1, Canada.

7. Physics Program, Bard College, Annandale-on-Hudson, NY 12504, USA.

8. Department of Physics, The City College of New York, New York, NY 10031, USA.

Abstract

Breaking down graphene degeneracy Bilayer graphene has two layers of hexagonally arranged carbon atoms stacked on top of each other in a staggered configuration. This spatial arrangement results in degenerate electronic states: distinct states that have the same energy. Interaction between electrons can cause the states to separate in energy, and so can external fields (see the Perspective by LeRoy and Yankowitz). Kou et al. , Lee et al. , and Maher et al. used three distinct experimental setups that clarify different parameter regimes of bilayer graphene. Science , this issue p. 55 , p. 58 , p. 61 ; see also p. 31

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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