By Shi-Hai Dong

ISBN-10: 1402057954

ISBN-13: 9781402057953

ISBN-10: 1402057962

ISBN-13: 9781402057960

This paintings introduces the factorization approach in quantum mechanics at a complicated point with an target to place mathematical and actual strategies and methods just like the factorization approach, Lie algebras, matrix parts and quantum keep watch over on the reader’s disposal. For this function a entire description is supplied of the factorization technique and its broad functions in quantum mechanics which enhances the conventional insurance present in the present quantum mechanics textbooks. regarding this vintage process are the supersymmetric quantum mechanics, form invariant potentials and staff theoretical ways. it really is no exaggeration to assert that this system has turn into the milestone of those ways. actually the author’s driver has been his wish to supply a entire assessment quantity that comes with a few new and demanding effects in regards to the factorization procedure in quantum mechanics because the literature is inundated with scattered articles during this box, and to pave the reader’s method into this territory as swiftly as attainable. the outcome: transparent and comprehensible derivations with the required mathematical steps integrated in order that the clever reader can be in a position to stick to the textual content with relative ease, specifically while mathematically tricky fabric is presented.

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**Additional resources for Factorization Method in Quantum Mechanics (Fundamental Theories of Physics)**

**Example text**

Third, the multi-dimensional harmonic oscillator also possesses the coherent states. This can be performed by generalizing the one-dimensional case to arbitrary dimensional one. It should be addressed that these states are sometimes regarded as Cartesian coherent states in order to distinguish them from an alternative set of states known as the coherent angular momentum states for D ≥ 2, which are the superposition of the kets of an angular momentum basis. We do not study this case for simplicity.

N! 96) 49 Harmonic oscillator which can be further modified as |α, t = e− 2 |α(0)| e− 2 t 1 = 2 i exp[− 12 |α(0)|2 [α(0)e−i t a† ]n |0 n! 97) . In the calculation, we have taken ω = h ¯ = 1. Before ending this section, two remarks are appropriate. 85) were used by Schwinger in 1953 as auxiliary states to simplify some calculations [228]. Later on, Rashevskiy, Klauder and Bargmann developed independently their mathematical properties [229–231]. Second, it is found from this typical example that we have to use the ladder operators to construct the coherent states.

97) . In the calculation, we have taken ω = h ¯ = 1. Before ending this section, two remarks are appropriate. 85) were used by Schwinger in 1953 as auxiliary states to simplify some calculations [228]. Later on, Rashevskiy, Klauder and Bargmann developed independently their mathematical properties [229–231]. Second, it is found from this typical example that we have to use the ladder operators to construct the coherent states. Therefore, the factorization method also becomes the cornerstone of the coherent states since the ladder operators can be obtained from it.

### Factorization Method in Quantum Mechanics (Fundamental Theories of Physics) by Shi-Hai Dong

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