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Normal Ordering Of Quantum Operators
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0211-093
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2000-03-22
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NormalOrdering.m normal orders a polynomial in creation and annihilation operators using the commutation relation. In quantum mechanics the ordering of operators is significant. In normal ordering the annihilation operators are to the right of the creation operators.
This program can normal order an expression of creation (denoted by 'c') and annihilation (denoted by 'a') operators. The expression may also contain brackets, coefficients, powers, plus and minus signs and noncommutative multiply signs (**). A typical expression is for example: 3 a^2**c-(c+a)^4.
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normal ordering, quantum operators, noncommutative algebra, annihilation operator, creation operator
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| NormalOrdering.m (2.2 KB) - Mathematica package |
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