Long-term dynamics of the electron-nuclear spin system of a semiconductor quantum dot

Physical Review B - Condensed Matter and Materials Physics

Volumn 81, Issue 11, 2010, Pages

  Merkulov, I A ^a,b   Alvarez, G ^a   Yakovlev, D R ^b,c   Schulthess, T C ^d  

^a OAK RIDGE NATIONAL LABORATORY   (United States)

^b IOFFE INSTITUTE   (Russian Federation)

^c TU DORTMUND UNIVERSITY   (Germany)

^d ETH ZURICH   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 77954984287     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.81.115107     Document Type: Article

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39. 2 are considered statistical. Fluctuations where the square is proportional to I are usually considered quantum (Ref.).
40. n depend on the type of nucleus and on its position in the crystal cells and QD.
41. 1) related to electron-spin precession in the Overhauser field.
42. -1. For states with low polarization the fluctuation of the nuclear-spin directions are more important than the fluctuation of the modulus. For these states, increasing the correlation time decreases relaxation rate by a factor of two.
43. A fluctuating magnetic polaron was investigated in the Raman spectroscopy of diluted magnetic semiconductors in Refs.
44. 2(0). For this reason we will do here only a classical simulation of the nuclear-spin system behavior, which is significantly easier than a quantum-mechanical simulation.
45. 6). It is important only for high enough nuclear polarization.