# American Institute of Mathematical Sciences

June  2013, 6(3): 761-770. doi: 10.3934/dcdss.2013.6.761

## Non-hamiltonian Schrödinger systems

 1 Dipartimento di Matematica, Università degli Studi di Bari, Via Orabona 4, 70125 Bari, Italy 2 Dipartimento di Matematica, Sapienza Università di Roma, Piazzale A. Moro 5, 00185 Roma

Received  April 2010 Revised  November 2010 Published  December 2012

In this paper we study local and global in time existence for the Cauchy Problem of some semilinear Schrödinger systems. In particular we do not assume that the nonlinear term guarantees conservation of charge or energy.
Citation: Sandra Lucente, Eugenio Montefusco. Non-hamiltonian Schrödinger systems. Discrete & Continuous Dynamical Systems - S, 2013, 6 (3) : 761-770. doi: 10.3934/dcdss.2013.6.761
##### References:
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##### References:
 [1] T. Cazenave, "Semilinear Schrödinger Equations," Courant Lecture Notes in Mathematics, 10, American Mathematical Society, Providence, 2003.  Google Scholar [2] D. G. de Figueiredo and Y. Jianfu, Decay, symmetry and existence of solutions of semilinear elliptic systems, Nonlinear Anal., Theory Methods Appl., 33 (1998), 211-234. doi: 10.1016/S0362-546X(97)00548-8.  Google Scholar [3] D. Del Santo, V. Georgiev and E. Mitidieri, Global existence of solutions and formation of singularities for a class of hyperbolic systems, in "Geometric optics and relates topics" (eds. F. Colombini and N. Lerner), Progress in Nonlinear Differential Equations and Their Applications, 32, Birkhäuser, (1997), 117-140.  Google Scholar [4] M. Escobedo and M. A. Herrero, A uniqueness result for a semilinear reaction-diffusion system, Proc. Amer. Math. Soc., 112 (1991), 175-185. doi: 10.2307/2048495.  Google Scholar [5] L. Fanelli, S. Lucente and E. Montefusco, Semilinear Hamiltonian Schrödinger systems, Int. J. Dyn. Syst. Differ. Equ., 3 (2011), 401-422. doi: 10.1504/IJDSDE.2011.042938.  Google Scholar [6] L. Fanelli and E. Montefusco, On the blow-up threshold for weakly coupled nonlinear Schrödinger equations, J. Phys. A, 40 (2007), 14139-14150. doi: 10.1088/1751-8113/40/47/007.  Google Scholar [7] F. Merle, Determination of blow-up solutions with minimal mass for nonlinear Schr\"odinger equation with critical power, Duke Math. J., 69 (1993), 427-453. doi: 10.1215/S0012-7094-93-06919-0.  Google Scholar [8] E. Mitidieri, Nonexistence of positive solutions of semilinear elliptic systems in $\mathbf R^\mathbb N$, Differ. Integral Equ., 9 (1996), 465-479.  Google Scholar [9] J. Serrin and H. Zou, Non-existence of positive solutions of Lane-Emden system, Differ. Integral Equ., 9 (1996), 635-653.  Google Scholar [10] T. Tao, Nonlinear dispersive equations: Local and global analysis, CBMS Regional Conference Series in Mathematics, 106 (2006).  Google Scholar
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