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Effect of Temperature and Pressure on Correlation Energy in a Triplet State of a Two Electron Spherical Quantum Dot مقاله

نویسنده مسئول:

نویسنده:

علمی-پژوهشی (وزارت علوم) (11 صفحه - از 347 تا 357)

چکیده:

The combined effect of hydrostatic pressure and temperature on correlation energy in a triplet state of two electron spherical quantum dot with square well potential is computed. The result is presented taking GaAs dot as an example. Our result shows the correlation energies are i)negative in the triplet state contrast to the singlet state ii) it increases with increase in pressure iii)further decreases due to the application of temperature iv) it approaches zero as dot size approaches infinity and v) it contribute 10% decrement in total confined energy to the narrow dots. All the calculations have been carried out with finite models and the results are compared with existing literature.

کلیدواژه ها:

Temperature ، Approximation ، effective mass ، Correlation energy ، Spherical quantum dot


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