Exciton condensation and perfect Coulomb drag

Nature

Volumn 488, Issue 7412, 2012, Pages 481-484

  Nandi, D ^a   Finck, A D K ^a   Eisenstein, J P ^a   Pfeiffer, L N ^b   West, K W ^b  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

^b Princeton University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONDENSATION; COULOMB CRITERION; ELECTRON; MEASUREMENT METHOD; QUANTUM MECHANICS; SPATIAL ANALYSIS; TUNNELING;

ARTICLE; CHEMICAL INTERACTION; CONDUCTOR; COULOMB DRAG; ELECTRIC CONDUCTIVITY; ELECTRIC POTENTIAL; ELECTRICITY; ELECTRON; GEOMETRY; LOW TEMPERATURE; MAGNETIC FIELD; POLYMERIZATION; PRIORITY JOURNAL; QUANTUM CHEMISTRY;

EID: 84865217541     PISSN: 00280836     EISSN: 14764687     Source Type: Journal    
DOI: 10.1038/nature11302     Document Type: Article

References (27)

1. Pogrebinsky, M. B. Mutual drag of carriers in a semiconductor- insulatorsemiconductor system. Fiz. Tekh. Poluprovodn. 11, 637-644 (1977); Sov. Phys. Semicond. 11, 372-376 (1977).
2. Price, P. M. Hot electron effects in heterolayers. Physica B 117, 750-752 (1983).
3. Rojo, A. G. Electron-drag effects in coupled electron systems. J. Phys. Condens. Matter 11, R31-R52 (1999).
4. Snoke, D. Spontaneous Bose coherence of excitons and polaritons. Science 298, 1368-1372 (2002).
5. Butov, L. V. Exciton condensation in coupled quantum wells. Solid State Commun. 127, 89-98 (2003).
6. Eisenstein, J. P. & MacDonald, A. H. Bose-Einstein condensation of excitons in bilayer electron systems. Nature 432, 691-694 (2004).
7. Su, J.-J.& MacDonald, A. H. How to make a bilayer exciton condensate flow. Nature Phys. 4, 799-802 (2008).
8. Fertig, H. A. Energy spectrumof a layered systemin a strong magnetic field. Phys. Rev. B 40, 1087-1095 (1989).
9. MacDonald, A. H. & Girvin, S. M. in Perspectives in Quantum Hall Effects (eds Das Sarma, S. & Pinczuk, A.) 161-224 (Wiley, 1997).
10. Spielman, I. B., Eisenstein, J. P., Pfeiffer, L. N. & West, K. W. Resonantly enhanced tunneling in a double layer quantum Hall ferromagnet. Phys. Rev. Lett. 84, 5808-5811 (2000).
11. Kellogg, M., Eisenstein, J. P., Pfeiffer, L. N.& West, K. W. Vanishing Hall resistance at high magnetic field in a double-layer two-dimensional electron system. Phys. Rev. Lett. 93, 036801 (2004).
12. Tutuc, E., Shayegan, M. & Huse, D. A. Counterflow measurements in strongly correlated GaAs hole bilayers: evidence for electron-hole pairing. Phys. Rev. Lett. 93, 036802 (2004).
13. Wiersma, R. et al. Activated transport in the separate layers that form the nT 5 1 exciton condensate. Phys. Rev. Lett. 93, 266805 (2004).
14. Yang, S. Hammack, A. T., Fogler, M. M., Butov, L. V. & Gossard, A. C. Coherence length of cold exciton gases in coupled quantumwells. Phys. Rev. Lett. 97, 187402 (2006).
15. High, A. A. et al. Spontaneous coherence in a cold exciton gas. Nature 483, 584-588 (2012).
16. Kasprzak, J. et al. Bose-Einstein condensation of exciton polaritons. Nature 443, 409-414 (2006).
17. Tiemann, L. et al. Exciton condensate at a total filling factor of one in Corbino twodimensional electron bilayers. Phys. Rev. B 77, 033306 (2008).
18. Tiemann, L., Dietsche, W., Hauser, M.&von Klitzing, K. Critical tunneling currents in the regime of bilayer excitons. N. J. Phys. 10, 045018 (2008).
19. Finck, A. D. K., Eisenstein, J. P., Pfeiffer, L. N. & West, K. W. Exciton transport and Andreev reflection in a bilayer quantum Hall system. Phys. Rev. Lett. 106, 236807 (2011).
20. Eisenstein, J. P., Pfeiffer, L. N. & West, K. W. Independently contacted twodimensional electron systems in double quantum wells. Appl. Phys. Lett. 57, 2324-2326 (1990).
21. Spielman, I. B., Eisenstein, J. P., Pfeiffer, L. N. & West, K. W. Observation of a linearly dispersing Goldstone mode in a quantum Hall ferromagnet. Phys. Rev. Lett. 87, 036803 (2001).
22. Tiemann, L. & Yoon, Y. Dietsche, W. von Klitzing, K. & Wegscheider, W. Dominant parameters for the critical tunneling current in bilayer exciton condensates. Phys. Rev. B 80, 165120 (2009).
23. Huse, D. A. Resistance due to vortex motion in the n 5 1 bilayer quantum Hall superfluid. Phys. Rev. B 72, 064514 (2005).
24. Fertig, H. A., &. Murthy, G. Coherence network in the quantum Hall bilayer. Phys. Rev. Lett. 95, 156802 (2005).
25. Fil, D. V.&Shevchenko, S. I. Interlayer tunneling and the problemof superfluidity in bilayer quantum Hall systems. Low Temp. Phys. 33, 780-782 (2007).
26. Lee, D. K. K., Eastham, P. R.& Cooper, N. R. Breakdown of counterflowsuperfluidity in a disordered quantum Hall bilayer. Adv. Condens. Matter Phys. 2011, 792125 (2011).
27. Pesin, D. A.&MacDonald, A. H. Scattering theory of transport in coherent quantum Hall bilayers. Phys. Rev. B 84, 075308 (2011).