نتایج جستجو برای: overlap integral
تعداد نتایج: 160088 فیلتر نتایج به سال:
Abstract We formulate a computational method to evaluate the overlap integral of shell-model and cluster-model wave functions. The framework is applied system core plus two neutrons, magnitude configuration (core + $n$ $n$) di-neutron cluster one $2n$) explored. have found that prominently enhanced when neutrons occupy orbits with low orbital angular momenta, such as $s$- $p$-wave orbits. shell...
Using the grassman-number-integral representation of the vacuum overlap formula, it is shown that the symmetry of the auxiliary quantum fermion system in the overlap formalism induces exact chiral symmetry of the action of the type given by Luscher under the chiral transformation δψn = γ5(1 − aD)ψn and δψ̄n = ψ̄nγ5. With this relation, we consider the connection between the covariant form of the ...
Overlap syndrome, which is known as the coexistence of chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea (OSA), was first defined by Flenley. Although it can refer to concomitant occurrence of any of the pulmonary diseases and OSA, overlap syndrome is commonly considered as the coexistence of OSA and COPD. This disease has unique adverse health consequences distinct from ...
We propose an atom optics experiment to measure the stability of the quantum kicked rotor under perturbations of the Hamiltonian. We avail ourselves of the theory of Loschmidt echoes, i.e., we consider the overlap of a quantum state evolved in a perturbed and an unperturbed potential. Atom interferometry allows us to determine the overlap integral in amplitude and phase. A numerical analysis of...
Estimating the contribution of a blurred photon plane involves the computation of an integral along the interval of overlap between the camera segment and the photon plane. In order to reduce variance introduced by this estimation, we apply control variates [Glasserman 2003] in our implementation of the photon plane estimator for homogeneous media. The concept of control variates is simple. Say...
In this research, design and fabrication of an integrated heterodyne electrooptic modulator in lithium niobate have been presented. In this modulator, the waveguide is made by using proton exchange process; to exert two high frequency signals, deposited electrodes with Mach-Zender arms between them are used. In this method, every electrical signal is applied on one of the Mach-Zender arms, so t...
6 It is the purpose of this short article to analyze mass conservation in high-order rigorous 7 remapping schemes, which contrary to flux-based methods, relies on elaborate integral con8 straints over overlap areas and reconstruction functions. For applications on the sphere these 9 integral constraints may be violated primarily due to inexact or ill-conditioned integration 10 and we propose a ...
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in this article, we have focused one some basic and productive information about the properties of spectrum and singular values related to compact operators which are ideals in a c*-algebra of bounded operators. considering a two-sided connection between the family of symmetric gauge functions on sequence of singular values of compact operators and symmetric norms on finite dimensional ope...
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