Abstract
Let ψ(r) and ψ †(r) be the field operators resulting by quantizing (second-quantization) the wave function (and its complex conjugate) corresponding to the Schrödinger equation. From now on we take ħ= 1, r,t = x, and we omit any external potential; we also omit for simplicity any spin indices. ψ †(r,t) = exp(iHt)ψ(r)exp(-iHt) with an identical expression for ψ † (r,t), where H is the total hamiltonian describing our system.
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References
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© 1979 Springer-Verlag Berlin Heidelberg
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Economou, E.N. (1979). Definitions. In: Green’s Functions in Quantum Physics. Springer Series in Solid-State Sciences, vol 7. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-11900-6_8
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DOI: https://doi.org/10.1007/978-3-662-11900-6_8
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-11902-0
Online ISBN: 978-3-662-11900-6
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