Search Results - "Djoufack, Z. I."
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Breather-impurity interactions and modulational instability in a quantum 2D Klein–Gordon chain
Published in The European physical journal. B, Condensed matter physics (01-05-2022)“…We study the breather-impurity interactions and modulational instability in a quantum 2D Klein–Gordon chain. By using the second quantification operators, we…”
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2
Scattering of impure mode and self-trapping phenomenon in a 1D quantum diatomic Klein–Gordon chain containing a mass defect
Published in European physical journal plus (26-02-2024)“…We analyze the impurity effects on the existence of localized structures, modulational instability (MI) and energy localization in a 1D quantum diatomic…”
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3
The modify unstable nonlinear Schrödinger dynamical equation and its optical soliton solutions
Published in Optical and quantum electronics (01-10-2018)“…In this research, we work on a specific class of nonlinear evolution equation which is the modify unstable nonlinear Schrödinger equation. This equation is…”
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4
Modulational instability in addition to discrete breathers in 2D quantum ultracold atoms loaded in optical lattices
Published in Nonlinear dynamics (01-11-2019)“…The modulational instability associated with discrete breathers in 2D quantum ultracold atoms is studied by using the Glauber’s coherent state combined with a…”
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5
Chirped soliton solutions in optical medium
Published in Optical and quantum electronics (01-01-2019)“…In this paper, we study a nonlinear Schrödinger equation with quintic nonlinearity, self-steepening and self-frequency shift terms describing the polarization…”
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6
Quantum breathers and intrinsic localized excitations in an isotropic ferromagnet with octupole–dipole interaction
Published in Physica. B, Condensed matter (01-12-2020)“…A numerical and analytical work on quantum breathers and intrinsic localized excitations in an isotropic ferromagnet with octupole–dipole interaction are…”
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7
Quantum breathers and modulational instability in quantum zigzag spin chains with alternative combination ferromagnetic and antiferromagnetic interactions in an external magnetic field
Published in Journal of magnetism and magnetic materials (01-11-2019)“…•Obtain multi-quantum breathers properties in quantum Zigzag spin chains.•Perform the modulational instability analysis on quantum zigzag spins…”
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8
Quantum breathers and intrinsic localized excitation associated with the modulational instability in 1D Bose–Hubbard chain
Published in Communications in nonlinear science & numerical simulation (01-04-2019)“…•Signature of bound states in the energy spectrum.•Bright and dark type intrinsic localized modes are obtained are obtained analytically and numerically.•The…”
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9
Quantum breathers in a finite Heisenberg spin chain with antisymmetric interactions
Published in The European physical journal. B, Condensed matter physics (01-03-2012)“…A study of the likelihood of quantum breathers in a quantum Heisenberg spin system including a Dzyaloshinsky-Moriya interaction (DMI) is done through an…”
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10
Controlling quantum localized structures in a 1D Heisenberg spin chains containing a large number of quanta via the magic angle
Published in Wave motion (01-12-2021)“…We investigate on controlling quantum localized structures in a 1D Heisenberg spin chains containing a large number of quanta via the magic angle, where the…”
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11
Second neighbors inducing common frequencies for bright and dark solitons
Published in European physical journal plus (01-06-2017)“… In this work, the dynamics of modulated waves in a modified Noguchi nonlinear electrical transmission line is studied with the contribution of second…”
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12
Influence of the discrete lattice spacing on the formation of intrinsic localized structures in the Salerno model
Published in Optik (Stuttgart) (01-03-2024)“…We report in this paper the influence of the discrete lattice spacing on the formation of intrinsic localized structures in the Salerno model. Through the…”
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13
Dynamics of solitons with periodic loops intrinsic localized modes and modulational instability in a quantum 2D nonlinear square Klein-Gordon chain
Published in Chaos, solitons and fractals (01-01-2021)“…•Dynamics of solitons with periodic loops intrinsic localized modes.•The system supports nonlinear excitations as bright, dark radial symmetric and bright,…”
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14
Radial solitons and modulational instability in two-dimensional Ablowitz-Ladik equation for certain applications in nonlinear optics
Published in Optik (Stuttgart) (01-01-2021)“…We probe in detail, properties of solitons and modulational instability (MI) in addition to the generation of soliton-like excitations in a discrete…”
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15
Solitons and other solutions of the nonlinear fractional Zoomeron equation
Published in Chinese journal of physics (Taipei) (01-06-2018)“…•Three methods are used to obtain solutions of the fractional Zoomeron equation.•These results can help to explain many phenomena in lasers, optics and fluid…”
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16
Exact solutions of the unstable nonlinear Schrödinger equation with the new Jacobi elliptic function rational expansion method and the exponential rational function method
Published in Optik (Stuttgart) (01-12-2016)“…In this paper, by using the new Jacobi elliptic function rational expansion method and the exponential rational function method, new exact solutions of the…”
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17
Cnoidal and solitary waves of a nonlinear Schrödinger equation in an optical fiber
Published in Optik (Stuttgart) (01-12-2018)“…This paper presents new exact analytical solutions of a nonlinear Schrödinger equation with a cubic–quintic nonlinearity and in presence of a couple of…”
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18
New soliton solutions for a discrete electrical lattice using the Jacobi elliptical function method
Published in Chinese journal of physics (Taipei) (01-06-2018)“…•The Jacobi elliptical function method is used to obtain exact solutions.•Solutions obtained can help to understand the dynamics of nonlinear electrical…”
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19
Quantum breathers associated with modulational instability in 1D ultracold boson in optical lattices involving next-nearest neighbor interactions
Published in Optik (Stuttgart) (01-07-2018)“…The dynamics and modulation instability of an ultracold gas of bosonic atoms in an optical lattice can be portrayed by a Bose–Hubbard model and the system…”
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20
Traveling wave solutions along microtubules and in the Zhiber–Shabat equation
Published in Chinese journal of physics (Taipei) (01-06-2017)“…•The exponential rational function method is used to obtain exact solutions.•New exact solutions obtained can help to understand the dynamics of MTs.•The…”
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