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Spin polarization of two-dimensional electrons in GaAs quantum wells around Landau level filling nu = 1 from NMR measurements of gallium nuclei.

Bibliographic reference Melinte, Sorin ; Freytag, N ; Horvatic, M ; Berthier, C ; Levy, LP ; et. al. Spin polarization of two-dimensional electrons in GaAs quantum wells around Landau level filling nu = 1 from NMR measurements of gallium nuclei.. In: Physical Review B, Condensed matter and materials physics, Vol. 64, no. 8, p. 085327 (9)
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  1. Tsui D. C., Stormer H. L., Gossard A. C., Two-Dimensional Magnetotransport in the Extreme Quantum Limit, 10.1103/physrevlett.48.1559
  2. B.I. Halperin, Helv. Phys. Acta, 56, 75 (1983)
  3. S.M. Girvin, Topological Aspects of Low Dimensional Systems, Proceedings of the Les Houches Summer School of Theoretical Physics, Session LXIX, 1998 (1999)
  4. Barrett S. E., Dabbagh G., Pfeiffer L. N., West K. W., Tycko R., Optically Pumped NMR Evidence for Finite-Size Skyrmions in GaAs Quantum Wells near Landau Level Fillingν=1, 10.1103/physrevlett.74.5112
  5. Tycko R, Barrett S., Dabbagh G, Pfeiffer L., West K., Electronic states in gallium arsenide quantum wells probed by optically pumped NMR, 10.1126/science.7539550
  6. Khandelwal P., Kuzma N. N., Barrett S. E., Pfeiffer L. N., West K. W., Optically Pumped Nuclear Magnetic Resonance Measurements of the Electron Spin Polarization in GaAs Quantum Wells near Landau Level Filling Factorν=13, 10.1103/physrevlett.81.673
  7. Kuzma N. N., Ultraslow Electron Spin Dynamics in GaAs Quantum Wells Probed by Optically Pumped NMR, 10.1126/science.281.5377.686
  8. Aifer E. H., Goldberg B. B., Broido D. A., Evidence of Skyrmion Excitations aboutν=1inn-Modulation-Doped Single Quantum Wells by Interband Optical Transmission, 10.1103/physrevlett.76.680
  9. M.J. Manfra, Phys. Rev. B, 54, R17 (1996)
  10. I.V. Kukushkin, Phys. Rev. B, 55, 10 (1997)
  11. Song Yi-Qiao, Goodson Boyd M., Maranowski K., Gossard A. C., Reduction of Spin Polarization near Landau Filling Factorν=3in GaAs/AlGaAs Quantum Wells, 10.1103/physrevlett.82.2768
  12. Melinte S., Freytag N., Horvatić M., Berthier C., Lévy L. P., Bayot V., Shayegan M., NMR Determination of 2D Electron Spin Polarization atν=1/2, 10.1103/physrevlett.84.354
  13. S.L. Sondhi, Phys. Rev. B, 47, 16 (1993)
  14. H.A. Fertig, Phys. Rev. B, 11 (1994)
  15. Brey L., Fertig H. A., Côté R., MacDonald A. H., Skyrme Crystal in a Two-Dimensional Electron Gas, 10.1103/physrevlett.75.2562
  16. Cooper N. R., Skyrmions in quantum Hall systems with realistic force laws, 10.1103/physrevb.55.r1934
  17. H.A. Fertig, Phys. Rev. B, 10 (1997)
  18. Schmeller A., Eisenstein J. P., Pfeiffer L. N., West K. W., Evidence for Skyrmions and Single Spin Flips in the Integer Quantized Hall Effect, 10.1103/physrevlett.75.4290
  19. Melinte S., Grivei E., Bayot V., Shayegan M., Heat Capacity Evidence for the Suppression of Skyrmions at Large Zeeman Energy, 10.1103/physrevlett.82.2764
  20. Kukushkin I. V., Klitzing K. v., Eberl K., Enhancement of the skyrmionic excitations due to the suppression of Zeeman energy by optical orientation of nuclear spins, 10.1103/physrevb.60.2554
  21. Bayot V., Grivei E., Melinte S., Santos M. B., Shayegan M., Giant Low Temperature Heat Capacity of GaAs Quantum Wells near Landau Level Fillingν=1, 10.1103/physrevlett.76.4584
  22. Shayegan M., Wang J. K., Santos M., Sajoto T., Goldberg B. B., Fractional quantum Hall effect in a high‐mobility GaAs/AlxGa1−xAs multiple quantum well heterostructure, 10.1063/1.100820
  23. Lanzillotto A‐M., Santos M., Shayegan M., Silicon migration during the molecular beam epitaxy of delta‐doped GaAs and Al0.25Ga0.75As, 10.1116/1.576797
  24. Bayot V., Santos M. B., Shayegan M., Oscillations in the thermal conductivity of a GaAs/AlxGa1−xAs heterostructure in the fractional quantum Hall regime, 10.1103/physrevb.46.7240
  25. Abragam A., Hebel L. C., The Principles of Nuclear Magnetism, 10.1119/1.1937646
  26. Richardson Steven L., Cohen Marvin L., Louie Steven G., Chelikowsky James R., Electron charge densities at conduction-band edges of semiconductors, 10.1103/physrevb.33.1177
  27. Sinova Jairo, Girvin S. M., Jungwirth T., Moon K., Skyrmion dynamics and NMR line shapes in quantum Hall ferromagnets, 10.1103/physrevb.61.2749
  28. Vagner I. D., Maniv Tsofar, Nuclear Spin-Lattice Relaxation: A Microscopic Local Probe for Systems Exhibiting the Quantum Hall Effect, 10.1103/physrevlett.61.1400
  29. Vagner I.D., Maniv T., Hyperfine interactions in quantum Hall systems, 10.1016/0921-4526(94)00254-s
  30. D. Antoniou, Phys. Rev. B, 43, 11 (1991)
  31. Côté R., MacDonald A. H., Brey Luis, Fertig H. A., Girvin S. M., Stoof H. T. C., Collective Excitations, NMR, and Phase Transitions in Skyrme Crystals, 10.1103/physrevlett.78.4825
  32. A.G. Green, Phys. Rev. B, 61, R16 (2000)
  33. Khandelwal P., Dementyev A. E., Kuzma N. N., Barrett S. E., Pfeiffer L. N., West K. W., Spectroscopic Evidence for the Localization of Skyrmions nearν=1asT→0, 10.1103/physrevlett.86.5353
  34. Manfra M.J., Goldberg B.B., Pfeiffer L., West K., Optical determination of the spin polarization of a quantum Hall ferromagnet, 10.1016/s1386-9477(97)00006-4
  35. Wiegers S. A. J., Specht M., Lévy L. P., Simmons M. Y., Ritchie D. A., Cavanna A., Etienne B., Martinez G., Wyder P., Magnetization and Energy Gaps of a High-Mobility 2D Electron Gas in the Quantum Limit, 10.1103/physrevlett.79.3238
  36. Nederveen A. J., Nazarov Yuli V., Skyrmions in Disordered Heterostructures, 10.1103/physrevlett.82.406
  37. Kasner Marcus, Palacios J. J., MacDonald A. H., Quasiparticle properties of quantum Hall ferromagnets, 10.1103/physrevb.62.2640
  38. Haussmann R., Magnetization of quantum Hall systems, 10.1103/physrevb.56.9684
  39. Chakraborty Tapash, Pietiläinen Pekka, Temperature Dependence of Spin Polarizations at Higher Landau Levels, 10.1103/physrevlett.83.5559
  40. Read N., Sachdev Subir, Continuum Quantum Ferromagnets at Finite Temperature and the Quantum Hall Effect, 10.1103/physrevlett.75.3509
  41. Rodriguez J. P, Skyrmion liquid phase of the quantum ferromagnet in two dimensions, 10.1209/epl/i1998-00230-6
  42. Brey Luis, Effect of the equivalence between topological and electric charge on the magnetization of the Hall ferromagnet, 10.1103/physrevb.61.7257
  43. Green A. G., Disorder and the quantum Hall ferromagnet, 10.1103/physrevb.57.r9373
  44. A.H. MacDonald, Phys. Rev. B, 58, R10 (1998)
  45. Vitkalov Sergey A., Bowers C. Russell, Simmons Jerry A., Reno John L., ESR Detection of optical dynamic nuclear polarization inGaAs/AlxGa1−xAsquantum wells at unity filling factor in the quantum Hall effect, 10.1103/physrevb.61.5447
  46. Brockbank R.L, Davies H.D.M, Ryan J.F, Thomson M.A, Turberfield A.J, Low-energy electronic spin excitations between filling factors ν=1 and studied by optically detected nuclear magnetic resonance, 10.1016/s1386-9477(99)00091-0
  47. Králik Balázs, Rappe Andrew M., Louie Steven G., Variational Monte Carlo calculation of the spin gap in theν=1quantum Hall liquid, 10.1103/physrevb.56.4760
  48. Melik-Alaverdian V., Bonesteel N. E., Ortiz G., Skyrmion physics beyond the lowest Landau-level approximation, 10.1103/physrevb.60.r8501
  49. I. Mihalek, Phys. Rev. B, 13 (2000)