Collective modes in a symmetry-broken phase: Antiferromagnetically correlated quantum wells

Solid State Communications

Volumn 98, Issue 9, 1996, Pages 771-775

  Radtke, R J ^a   Sarma, S Das ^a  

^a Bldg 142   (United States)

Author keywords

A. quantum wells; D. electron electron interactions; D. phase transitions; E. inelastic light scattering

Indexed keywords

ANTIFERROMAGNETIC MATERIALS; ANTIFERROMAGNETISM; APPROXIMATION THEORY; ELECTRONS; FREQUENCY RESPONSE; LIGHT SCATTERING; PHASE TRANSITIONS; PHONONS;

BROKEN SPIN SYMMETRY; ELECTRON LIQUID; ELECTRON-ELECTRON INTERACTIONS; INELASTIC LIGHT SCATTERING; INTERSUBBAND SPIN DENSITY EXCITATION; NAMBU-GOLDSTONE MODE; PHASE BOUNDARY; SYMMETRY BROKEN PHASE;

SEMICONDUCTOR QUANTUM WELLS;

EID: 0030171471     PISSN: 00381098     EISSN: None     Source Type: Journal    
DOI: 10.1016/0038-1098(96)00200-1     Document Type: Article

References (22)

1. D. C. Tsui, H. L. Störmer, and A. C. Gossard, Phys. Rev. Lett. 48, 1559 (1982).
2. E. Wigner, Trans. Faraday Soc. 34, 678 (1938).
3. C. C. Grimes and G. Adams, Phys. Rev. Lett. 42, 795 (1979).
4. A. H. MacDonald, Phys. Rev. B 37, 4792 (1988).
5. C. M. Varma, A. I. Larkin, and E. Abrahams, Phys. Rev. B 49, 13999 (1994).
6. P. P. Ruden and Z. Wu, Appl. Phys. Lett. 59, 2165 (1991).
7. D. Neilson, L. Świerkowski, J. Szymański, and L. Liu, Phys. Rev. Lett. 71, 4035 (1993).
8. Y. Katayama, D. C. Tsui, H. C. Manoharan, and M. Shayegan, Surf. Sci. 305, 405 (1994); Phys. Rev. B 52, 14817 (1995); and X. Ying, S. R. Parihar, H. C. Manoharan, and M. Shayegan, Phys. Rev. B 52, 11611 (1995).
9. Y. Katayama, D. C. Tsui, H. C. Manoharan, and M. Shayegan, Surf. Sci. 305, 405 (1994); Phys. Rev. B 52, 14817 (1995); and X. Ying, S. R. Parihar, H. C. Manoharan, and M. Shayegan, Phys. Rev. B 52, 11611 (1995).
10. Y. Katayama, D. C. Tsui, H. C. Manoharan, and M. Shayegan, Surf. Sci. 305, 405 (1994); Phys. Rev. B 52, 14817 (1995); and X. Ying, S. R. Parihar, H. C. Manoharan, and M. Shayegan, Phys. Rev. B 52, 11611 (1995).
11. S. Das Sarma and P. I. Tamborenea, Phys. Rev. Lett. 73, 1971 (1994); see also P. I. Tamborenea, Ph.D. Thesis, University of Maryland, College Park, Maryland, 1994.
12. S. Das Sarma and P. I. Tamborenea, Phys. Rev. Lett. 73, 1971 (1994); see also P. I. Tamborenea, Ph.D. Thesis, University of Maryland, College Park, Maryland, 1994.
13. R. J. Radtke and S. Das Sarma, Solid State Commun. 96, 215 (1995), and unpublished.
14. See, for example, R. Decca et al., Phys. Rev. Lett. 72, 1506 (1994), and references therein.
15. A. S. Plaut et al., Surf. Sci. (in press).
16. G. Baym and L. P. Kadanoff, Phys. Rev. 124, 287 (1961); G. Baym, ibid. 127, 1391 (1962).
17. G. Baym and L. P. Kadanoff, Phys. Rev. 124, 287 (1961); G. Baym, ibid. 127, 1391 (1962).
18. Y. Nambu and G. Jona-Lasinio, Phys. Rev. 122, 345 (1961); J. Goldstone, Nuovo Cimento 19, 154 (1961).
19. Y. Nambu and G. Jona-Lasinio, Phys. Rev. 122, 345 (1961); J. Goldstone, Nuovo Cimento 19, 154 (1961).
20. Since we only examine the self-energy equations for solutions which conserve 2D wave vector, spin-and charge-density wave solutions normal to the layering direction are explicitly excluded from these calculations.
21. See, for example, S. Das Sarma, in Light Scattering in Semiconductor Structures and Superlattices, D. J. Lockwood and J. F. Young, eds. (Plenum, New York, 1991), p. 499.
22. See, for example, A. Pinczuk and E. Burstein, in Light Scattering in Solids I, M. Cardona, ed. (Springer-Verlag, New York, 1983), p. 23.