Response Properties of 2-Electron 2-D Quantum Dots: Triplet Versus Singlet.

Authors: Ghosh, Manas¹; Hazra, Ram Kuntal²; Bhattacharyya, S.P.²

Source: Computing Letters, Volume 3, Numbers 2-4, 2007 , pp. 183-191(9)

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Abstract:

The linear and non-linear optical response properties of 2-D quantum dots with two interacting carrier electrons having triplet coupling of spins are computed and compared with their singlet counterparts. The significant dependence of the response properties on the spin multiplicity in the high and low field regimes are sought to be rationalized.

Keywords: ARTIFICIAL ATOMS; OPTICAL RESPONSE PROPERTIES OF DOT ATOMS; NLO RESPONSE OF DOTS IN HIGH MAGNETIC FIELD; SPIN DEPENDENT POLARIZABILITY IN DOTS

Document Type: Research article

Affiliations: 1: Department of Physical Chemistry, Indian Association for the Cultivation of Science Jadavpur, Calcutta 700 032, INDIA; Department of Chemistry, Physical Chemistry Section, Visva Bharati, Santiniketan, Birbhum 731 235, West Bengal, India 2: Department of Physical Chemistry, Indian Association for the Cultivation of Science Jadavpur, Calcutta 700 032, INDIA

Publication date: 2007-11-01