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Location of Singularity (\(Z_\mathrm{c}\))

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The Nonlinear Schrödinger Equation

Part of the book series: Applied Mathematical Sciences ((AMS,volume 192))

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Abstract

In this chapter we consider the location of the singularity

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Notes

  1. 1.

    \(Z_\mathrm{c}\) is also called the collapse distance, the blowup point, and the filamentation distance.

  2. 2.

    \(Z_\mathrm{c}= \infty \) if \(\psi \) exists globally.

  3. 3.

    We already derived this result from the dilation symmetry (Lemma 27.1).

  4. 4.

    See, e.g., Figs. 3.4, 14.8a and 26.1.

  5. 5.

    The NGO method, which was used to derive (27.11), relies on this assumption.

  6. 6.

    The value of \( Z_\mathrm{c}\) in (27.14) is half of that in [53], because the initial condition in [53] was \(\psi _0 = c e^{-\frac{r^2}{2}}\).

  7. 7.

    PVC damage patterns from this experiment are presented in Fig. 25.2d–f.

  8. 8.

    Varying \(\lambda \) and fixing \(P\) is equivalent to varying \(P\) and fixing \(\lambda \).

  9. 9.

    See Sect. 36.2.4.

  10. 10.

    A deformable mirror acts as a lens, except that the focused (or defocused) beam is reflected rather than transmitted.

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Correspondence to Gadi Fibich .

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Fibich, G. (2015). Location of Singularity (\(Z_\mathrm{c}\)). In: The Nonlinear Schrödinger Equation. Applied Mathematical Sciences, vol 192. Springer, Cham. https://doi.org/10.1007/978-3-319-12748-4_27

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