Abstract:In this paper, we consider the following equationfor p > 2 and λ > 0, which appeared in Byeon et al. (J Funct Anal 263(6):1575-1608, 2012) to find the standing wave solutions of the ChernSimons-Schrödinger system. By using the minimax theorem, we get the multiplicity results for the L 2 -normalized solutions to the equation, and thus there are multiple L 2 -normalized solutions of the Chern-SimonsSchrödinger system. Mathematics Subject Classification. 35Q55, 35A15, 35B30.
“…When q > 4, using a minimax procedure motivated by [1], the authors proved the multiplicity of normalized solutions for (1.3) for c ∈ (0, 4π √ p−3 ). Compared with [33], Li and Luo presented a certain constant c 0 = 4π √ p−3 , which improved the result for the case q > 4 in [33]. Moreover, the existence of normalized solutions for (1.3) was also considered in [16].…”
Section: Introductionmentioning
confidence: 89%
“…Moreover, they also analyzed the asymptotic behavior of u b n as b → 0 + . To the best knowledge of ours, little is known about the existence of normalized solutions of Chern-Simons-Schrödinger equations except for [8,16,33]. Set (1.10) e q (c) := inf…”
Section: Introductionmentioning
confidence: 99%
“…In [8], Byeon et al proved that problem (1.10) admits a positive minimizer provided that c > 0 is sufficiently small whenever q ∈ (3, 4) or c > 0 is arbitrary whenever q ∈ (2,3]. If c and q satisfy the above assumptions, then Yuan [33] obtained infinitely many distinct pairs of solutions (u n , λ n ) ⊂ H 1 r (R 2 ) × R − of (1.3) for each n ∈ N + via the argument of Krasnoselski genus (see [26]). Furthermore, motivated by [1], the author also proved that for q > 4, (1.3) admits an unbounded sequence of couples of solutions (u n , λ n ) ⊂ H 1 r (R 2 ) × R − for c ∈ (0, c 0 ) sufficient small.…”
In this paper, we prove the existence and multiplicity results of solutions with prescribed L 2-norm for a class of nonlinear Chern-Simons-Schrödinger equations in R 2 2 −ˆR 2 F (u) constrained on the L 2-spheres S r (c) = u ∈ H 1 r (R 2) : u 2 2 = c. Here, c > 0 and F (s) :=´s 0 f (t) dt. Under some mild assumptions on f , we show that critical points of E κ unbounded from below on S r (c) exist for certain c > 0. In addition, we establish the existence of infinitely many critical points {u κ n } of E κ on S r (c) provided that f is odd. Finally, we regard κ as a parameter and and present a convergence property of u κ n as κ ց 0. These results improve and generalize the existing ones in the literature.
“…When q > 4, using a minimax procedure motivated by [1], the authors proved the multiplicity of normalized solutions for (1.3) for c ∈ (0, 4π √ p−3 ). Compared with [33], Li and Luo presented a certain constant c 0 = 4π √ p−3 , which improved the result for the case q > 4 in [33]. Moreover, the existence of normalized solutions for (1.3) was also considered in [16].…”
Section: Introductionmentioning
confidence: 89%
“…Moreover, they also analyzed the asymptotic behavior of u b n as b → 0 + . To the best knowledge of ours, little is known about the existence of normalized solutions of Chern-Simons-Schrödinger equations except for [8,16,33]. Set (1.10) e q (c) := inf…”
Section: Introductionmentioning
confidence: 99%
“…In [8], Byeon et al proved that problem (1.10) admits a positive minimizer provided that c > 0 is sufficiently small whenever q ∈ (3, 4) or c > 0 is arbitrary whenever q ∈ (2,3]. If c and q satisfy the above assumptions, then Yuan [33] obtained infinitely many distinct pairs of solutions (u n , λ n ) ⊂ H 1 r (R 2 ) × R − of (1.3) for each n ∈ N + via the argument of Krasnoselski genus (see [26]). Furthermore, motivated by [1], the author also proved that for q > 4, (1.3) admits an unbounded sequence of couples of solutions (u n , λ n ) ⊂ H 1 r (R 2 ) × R − for c ∈ (0, c 0 ) sufficient small.…”
In this paper, we prove the existence and multiplicity results of solutions with prescribed L 2-norm for a class of nonlinear Chern-Simons-Schrödinger equations in R 2 2 −ˆR 2 F (u) constrained on the L 2-spheres S r (c) = u ∈ H 1 r (R 2) : u 2 2 = c. Here, c > 0 and F (s) :=´s 0 f (t) dt. Under some mild assumptions on f , we show that critical points of E κ unbounded from below on S r (c) exist for certain c > 0. In addition, we establish the existence of infinitely many critical points {u κ n } of E κ on S r (c) provided that f is odd. Finally, we regard κ as a parameter and and present a convergence property of u κ n as κ ց 0. These results improve and generalize the existing ones in the literature.
“…In [18], the authors researched the Chern-Simons-Schrödinger system without Ambrosetti-Rabinowitz condition. The other related research for system (1.1), we may refer to [13,16,20]. However, to our knowledge, the Chern-Simons-Schrödinger system with critical exponential growth was not considered until now, that is, f behaves like exp(α|u| 2 ) as |u| → ∞.…”
In this paper, by combing the variational methods and Trudinger-Moser inequality, we study the existence and multiplicity of the positive standing wave for the following Chern-SimonsSchrödinger equationwhere h(s) = s 0 l 2 u 2 (l)dl, λ > 0 and the nonlinearity f : R 2 × R → R behaves like exp(α|u| 2 ) as |u| → ∞. For the case ǫ = 0, we can get a mountain-pass type solution.
“…The existence and non-existence standing wave solutions have been shown under the assumptions that f (u) = λ|u| p−1 u, λ > 0 and p > 2 by variational methods in [4], see also [9] and [10], [5]. A series of their existence results of solitary waves has been established in [6], [13], [16], [17] and [23]. We studied the existence, non-existence, and multiplicity of standing waves to the nonlinear CSS systems with an external potential V (x) without the Ambrosetti-Rabinowitz condition in [20], and the concentration of solutions in [21].…”
We show the existence of nontrivial solutions to Chern-Simons-Schrödinger systems by using the concentration compactness principle and the argument of global compactness.
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