Research Article

Evaluation of Density Matrix and Helmholtz Free Energy for Harmonic Oscillator Asymmetric Potential via Feynmans Approach

Table 2

Comparison of the Helmholtz free energy of the harmonic oscillator asymmetric potential obtained from Feynmans approach , path-integral method (), where we may vary the value of .

%Difference

−1 1 1 0.832649709225 0.833333333333 0.082068555
−2 2 2 0.268991481731 0.269077944427 0.032138119
−3 3 3 0.186078370872 0.186104045769 0.013796943
−4 4 4 0.930467604432 0.930478444374 0.001164993
−5 5 5 2.672281990295 2.672287542326 0.000207763
−6 6 6 5.512772044548 5.512775258152 0.000058294
−7 7 7 9.519160651167 9.519162675130 0.000021262
−8 8 8 14.739350643789 14.739351999789
−9 9 9 21.209215914795 21.209216867207
−10 10 10 28.956630779118 28.956631473452
−11 11 11 38.003879234334 38.003879756012
−12 12 12 48.369184447699 48.369184849532
−13 13 13 60.067726646352 60.067726962410
−14 14 14 73.112346898668 73.112347151725
−15 15 15 87.514049316743 87.514049522489