High-temperature expansion of the spin polarization in the quantum Hall regime at filling factor v = 1

Physica E: Low-Dimensional Systems and Nanostructures

Volumn 1, Issue 1-4, 1997, Pages 71-74

  Kasner, Marcus ^a,b  

^a OTTO VON GUERICKE UNIVERSITY   (Germany)

^b NONE   (Germany)

Author keywords

Magnetization; Quantum Hall effect; Quantum Hall ferromagnet

Indexed keywords

FERROMAGNETIC MATERIALS; HALL EFFECT; HIGH TEMPERATURE OPERATIONS; MAGNETIZATION;

ZEEMAN COUPLINGS;

QUANTUM THEORY;

EID: 0031367362     PISSN: 13869477     EISSN: None     Source Type: Journal    
DOI: 10.1016/s1386-9477(97)00015-5     Document Type: Article

References (9)

1. S.E. Barrett et al., Phys. Rev. Lett. 74 (1995) 5112.
2. M.J. Manfra et al., Phys. Rev. B 54 (1996) R17327.
3. N. Read, S. Sachdev, Phys. Rev. Lett. 75 (1995) 3509.
4. Marcus Kasner, A.H. MacDonald, Phys. Rev. Lett. 76 (1996) 3204.
5. R. Haussmann, Phys. Rev. B 56 (1997) 9684.
6. 0 = (√π/2)λ.
7. A.L. Fetter, J.D. Walecka, Quantum Theory of Many-Particle Systems, McGraw-Hill, New York, 1971, p. 229.
8. A similar calculation for the spin polarized case was done by Lian Zheng, A.H. MacDonald, Surf. Sci. 305 (1994) 101. However, these authors tried to extract the T=0-limit of the filling factor dependent ground state energy from the high-temperature expansion of the thermodynamic potential.
9. J.J. Palacios, unpublished results.