An extension of the coupled derivative nonlinear Schrödinger hierarchy
Keyword(s):
In this paper, a 3 × 3 matrix spectral problem with six potentials is considered. With the help of the compatibility condition, a hierarchy of new nonlinear evolution equations which can be reduced to the coupled derivative nonlinear Schrödinger (CDNLS) equations is obtained. By use of the trace identity, it is proved that all the members in this new hierarchy have generalized bi-Hamiltonian structures. Moreover, infinitely many conservation laws of this hierarchy are constructed.
2010 ◽
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pp. 2077-2090
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2009 ◽
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pp. 050201
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1996 ◽
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pp. 320-333
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2011 ◽
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pp. 2481-2492
2009 ◽
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pp. 3253-3264
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1982 ◽
Vol 87
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pp. 105-125
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