Research Article

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

Table 1

Comparison of the Helmholtz free energy of the harmonic oscillator asymmetric potential obtained from Feynmans approach , path-integral method (), where is the value of asymmetric potential, is the value of axes-shift potential system, and is the temperature, setting .

%Difference

1 −1.167350290774 −1.166666666667 0.058579189
2 −3.981008518269 −3.980922055573 0.002171902
3 −7.813921629128 −7.813895954231 0.000328579
4 −12.319532395568 −12.319521555626 0.000087989
5 −17.327718009705 −17.327712457674 0.000032041
6 −22.737227955451 −22.737224741848 0.000014133
7 −28.480839348833 −28.480837324869
8 −34.510649356211 −34.510648000211
9 −40.790784085205 −40.790783132793
10 −47.293369220882 −47.293368526548
11 −53.996120765666 −53.996120243988
12 −60.880815552301 −60.880815150468
13 −67.932273353648 −67.932273053847
14 −75.137653101331 −75.137652848275
15 −82.485950683258 −82.485950477511