# Difference between revisions of "Program Notes"

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− | == | + | ==Energy & Wave Function Files== |

There are 3 types of files in which the information is stored: 2 are Wave function files (.POW for infinite mass, .POL for finite mass) while .MAT files store energy information. | There are 3 types of files in which the information is stored: 2 are Wave function files (.POW for infinite mass, .POL for finite mass) while .MAT files store energy information. | ||

− | In order to decipher the information stored in these files refer to [[ | + | In order to decipher the information stored in these files refer to Busuttil & Drake 2008 ([[File:Busuttil_&_Drake_2008_-_PSAS.pdf]]) as presented at the International Conference on Precision Physics of Simple Atomic Systems (PSAS) in 2008. |

− | An example of how these wave functions can be used is in calculating | + | An example of how these wave functions can be used is in calculating expectation values. Included below is a program written in FORTRAN 77 which calculates expectation values for various operators called MATL. The quantities calculated are <1/r<sub>1</sub><sup>2</sup>>, <1/r<sub>1</sub>>, <r<sub>1</sub>>, <r<sub>1</sub><sup>2</sup>>, <1/r<sub>12</sub><sup>2</sup>>, <1/r<sub>12</sub>>, <r<sub>12</sub>>, <r<sub>12</sub><sup>2</sup>>, <<b>r<sub>1</sub>•r<sub>2</sub></b>>, <1/r<sub>1</sub>r<sub>12</sub>>, and <1/r<sub>1</sub>r<sub>2</sub>>. |

− | [[ | + | |

+ | Download MATL package: [[File:Matl.zip]] |

## Latest revision as of 11:38, 3 May 2013

## Energy & Wave Function Files

There are 3 types of files in which the information is stored: 2 are Wave function files (.POW for infinite mass, .POL for finite mass) while .MAT files store energy information.

In order to decipher the information stored in these files refer to Busuttil & Drake 2008 (File:Busuttil & Drake 2008 - PSAS.pdf) as presented at the International Conference on Precision Physics of Simple Atomic Systems (PSAS) in 2008.

An example of how these wave functions can be used is in calculating expectation values. Included below is a program written in FORTRAN 77 which calculates expectation values for various operators called MATL. The quantities calculated are <1/r_{1}^{2}>, <1/r_{1}>, <r_{1}>, <r_{1}^{2}>, <1/r_{12}^{2}>, <1/r_{12}>, <r_{12}>, <r_{12}^{2}>, <**r _{1}•r_{2}**>, <1/r

_{1}r

_{12}>, and <1/r

_{1}r

_{2}>.

Download MATL package: File:Matl.zip