نتایج جستجو برای: harmonic contribution

تعداد نتایج: 264990  

2008
M. S. Hussein B. V. Carlson L. F. Canto A. F. R. de Toledo Piza

We calculate the cross-section for the excitation and subsequent decay of triple giant resonances (TGDR) in several nuclei excited with heavy ions. The recently developed coherent plus incoherent theory for the excitation in conjunction with the hybrid decay model of Dias-Hussein-Adhikari are used for the purpose. It is emphasized that the direct decay of the TGR is expected to deviate apprecia...

1996
A. Isar A. Sandulescu

The Lindblad master equation for an open quantum system with a Hamiltonian containing an arbitrary potential is written as an equation for the Wigner distribution function in the phase space representation. The time derivative of this function is given by a sum of three parts: the classical one, the quantum corrections and the contribution due to the opening of the system. In the particular cas...

2001
Surya Santoso Robert Zavadil Doug Folts Mark F. McGranaghan Thomas E. Grebe

The objective of this paper is to present the modeling and analysis of a 1.7 Mva SMES-based voltage sag corrector devices. The topology of the SMES-based system and its response to an upstream fault are described. This paper details various modeling aspects of the device including methods to generate a triangular signal and an internal reference voltage. Models to characterize the harmonic cont...

1999
H. Özkan A. Aydinli İ. Yilmaz

The temperature dependence of the Raman-active mode frequencies in indium sulfide was measured in the range from 10 to 300 K. The analysis of the temperature dependence of the Ag intralayer optical modes show that Raman frequency shift results from the change of harmonic frequency with volume expansion and anharmonic coupling to phonons of other branches. The pure-temperature contribution (phon...

2000
I. L. Lyubchanskii Jae-Woo Jeong Sung-Chul Shin M. I. Lyubchanskii

The optical second harmonic generation from a thin magnetic film on a nonmagnetic substrate is theoretically investigated for both sand p-polarized incident light. The contributions of lattice misfit strain as well as of misfit dislocation strain to the second-order nonlinear optical susceptibility are described using a nonlinear photoelastic tensor, together with the contribution of magnetizat...

2010
Guillaume Bal Alexandre Jollivet Ian Langmore François Monard

We consider the angular averaging of solutions to time-harmonic transport equations. Such quantities model measurements obtained for instance in optical tomography, a medical imaging technique, with frequency-modulated sources. Frequency modulated sources are useful to separate ballistic photons from photons that undergo scattering with the underlying medium. This paper presents a precise asymp...

Journal: :Physical review 2021

Higgs spectroscopy, the study of bosons a superconductor, is an emerging field in studying superconductivity. Here we show that Berry curvature and quantum metric bands play central role mode generation. They allow detection even when conventional contribution from band vanishes. Furthermore, can couple to external electromagnetic linearly mediated by connection. As result, predict existence se...

Journal: :journal of ai and data mining 2015
m. aghaei a. dastfan

the harmonic in distribution systems becomes an important problem due to an increase in nonlinear loads. this paper presents a new approach based on a graph algorithm for optimum placement of passive harmonic filters in a multi-bus system, which suffers from harmonic current sources. the objective of this paper is to minimize the network loss, the cost of the filter and the total harmonic disto...

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