https://doi.org/10.1140/epjb/e2006-00196-7
Entanglement between nuclear spin and field mode in GaAs semiconductors
1
Department of Physics, Shaoxing College of Arts and Sciences, Shaoxing, 312000, P.R. China
2
Institute of Theoretical Physics, Shanxi University, Taiyuan, 030006, P.R. China
Corresponding author: a chengang971@163.com
Received:
11
December
2005
Revised:
16
February
2006
Published online:
31
May
2006
In this paper we investigate entanglement between the nuclear spin and field mode in a GaAs semiconductor. The eigenfuctions of nuclear spin in the quantized external field are obtained and thus the von Neumann entropy is evaluated explicitly. It is shown that the von Neumann entropy monotonously increases with the spin-field coupling constant but monotonously decreases with the anisotropy energy.
PACS: 03.65.Ud – Entanglement and quantum nonlocality (e.g. EPR paradox, Bell's inequalities, GHZ states, etc.)
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2006
