Results 141 to 150 of about 134,115 (317)
, 2016 We present a complete analysis on energy and wave function of Harmonic oscillator with simultaneous non-hermitian transformation of co-ordinate ($(x \rightarrow \frac{(x+ i\lambda p)}{\sqrt{(1+\beta \lambda)}}$ and momentum $(p \rightarrow \frac{(p+ i ...
Mallick, P., Rath, Biswanath
core
CO2 Fluxes and Soil Responses to Straw and Herbicide in Peanut
Land Degradation &Development, EarlyView.ABSTRACT Peanut cultivation plays an important agronomic role in Brazil, especially in rotation with sugarcane, promoting biological nitrogen fixation and improving soil quality. This study aimed to test the hypothesis that the combined use of sugarcane mulch, peanut cultivation, and herbicide application would affect soil CO₂ fluxes, soil chemical ...
Heytor Lemos Martins +7 more
wiley +1 more source
IET Power Electronics, EarlyView., 2022 This paper introduces the research on the inductance‐capacitor‐capacitor‐inductance grid‐connected inverter using active disturbance rejection and grid voltage feedforward coordinated control technology. The pade approximation is performed on the inductance‐capacitor‐capacitor‐inductance filter to derive the first‐order discretization mathematical ...
Guang‐Xin Zhong +4 more
wiley +1 more source
On the Eigenvalues of the Laplacian for Certain Perturbations of the Standard Euclidean Metric on $S^2$ [PDF]
, 2009 Anandateertha Mangasuli
openalex +1 more source
Land Degradation &Development, EarlyView.ABSTRACT Vegetation succession in aquatic and littoral habitats has received much less attention than terrestrial habitats have. We sampled differently aged successional stages at five different types of post‐mining sites, that is, sandpits, stone quarries, clay quarries, brown coal spoil heaps and black coal subsidences, across the Czech Republic ...
Anna Müllerová +2 more
wiley +1 more source
Spectral stability of undercompressive shock profile solutions of a modified KdV-Burgers equation
Electronic Journal of Differential Equations, 2007 It is shown that certain undercompressive shock profile solutions of the modified Korteweg-de Vries-Burgers equation $$ partial_t u + partial_x(u^3) = partial_x^3 u + alpha partial_x^2 u, quad alpha geq 0 $$ are spectrally stable when $alpha$ is ...
Jeff Dodd
doaj
On the eigenvalues for slowly varying perturbations of a periodic Schrödinger operator [PDF]
, 2005 Magali Marx
openalex +1 more source
Engineering Topological Phases with a Traveling‐Wave Spacetime Modulation
Laser &Photonics Reviews, EarlyView.Time‐varying systems have garnered considerable attention due to their unique potential in manipulating electromagnetic waves. Here, a novel class of topological spacetime crystals with a traveling‐wave modulation is introduced. By manipulating material anisotropy, one can engineer light angular momentum and non‐trivial topological phases characterized
João C. Serra, Mário G. Silveirinha
wiley +1 more source
Existence and perturbation of principal eigenvalues for a periodic-parabolic problem
Electronic Journal of Differential Equations, 2000 We give a necessary and sufficient condition for the existence of a positive principal eigenvalue for a periodic-parabolic problem with indefinite weight function.
Daniel Daners
doaj
Inverse Design of Mirror‐Symmetric Disordered Systems for Broadband Perfect Transmission
Laser &Photonics Reviews, EarlyView.This work introduces an inverse design approach to achieve broadband perfect wave transmission in mirror‐symmetric disordered media. Leveraging symmetry simplifies optimization and enables control of multiple reflectionless states. Experiments in microwave waveguides confirm the design of exceptional points, bandpass filters, and broadband quasi ...
Zhazira Zhumabay +4 more
wiley +1 more source