نتایج جستجو برای: coherent formulation
تعداد نتایج: 169039 فیلتر نتایج به سال:
in order to estimate doa of coherent sources, shirvani moghaddam and keshavarz nasab proposed a method based on uniform linear array configuration that first determines the number of noncoherent sources and then estimates the doa of coherent signals in each group. for estimating doas close to the array endfire, ula does not perform well. as the main goal of this investigation, using the propose...
we review various ways to express the partition function of the single-band hubard model as a path integral. the emphasis is made on the derivation of the action in the integrand of the path integral and the results obtained from this approach are discussed only briefly. since the single-band hubbard model is a pure fermionic model on the lattice and its hamiltonian is a polynomial in creatio...
We developed a framework for directly calculating the spin susceptibility of anisotropic itinerant ferromagnets in full temperature range within coherent potential approximation disordered local moment picture. As test our formulation, we demonstrate computation ($T$) dependence Rashba-type with Curie $T_\mathrm{C}$. In certain parameter, found that inverse transverse $1/\chi_\perp\simeq\mathrm...
introduction individual x-ray diffraction patterns of biological tissues are obtained via interference of coherent scattering with their electrons. many scientists have distinguished normal and cancerous breast tissue, bone density, and urinary stone types using the x-ray diffraction patterns resulting from coherent scattering. the goal of this study was to introduce an optimized method for obt...
Separating confirmatory and exploratory analyses is vital for ensuring the credibility of research results. Here, we present a two-stage Bayesian sequential procedure that combines maximum freedom in first stage with strictly regimen second stage. It allows flexible sampling schemes statistically coherent carry-over information from to We believe this will facilitate preregistration as well for...
Based on a recently developed notion of physical realizability for quantum linear stochastic systems, we formulate a quantum LQG optimal control problem for quantum linear stochastic systems where the controller itself may also be a quantum system and the plant output signal can be fully quantum. Such a control scheme is often referred to in the quantum control literature as “coherent control.”...
Coherent control of bimolecular reactions is demonstrated for 3D atom-diatom reactive scattering. In particular, a superposition of initial degenerate syjkd diatomic states is used to control reactive integral and differential cross sections in D 1 H2syjkd ! H 1 HD, where y and j are the vibrational and rotational quantum numbers of a diatom and k is the projection quantum number of the diatom ...
Coherent control of reflected and transmitted pulses is investigated theoretically through a slab doped with atoms in a duplicated two-level configuration. When a strong control field and a relatively weak probe field are employed, coherent control of the group velocity is achieved via changing the phase shift φ between control and probe fields. Furthermore, the peak values in the delay time of...
The effects of including incoherent (bound-electron) and coherent (Rayleigh) scattering in exposure buildup factor calculations for point isotropic gamma ray sources, penetrating a two-layer water-lead shield have been investigated in the gamma ray energy (E?) range of 40 keV to 3 MeV. Incoherent scattering decreases the values of these factors in both layers up to E? ~ 200 keV and the effect i...
The traditional deterministic day-ahead (DA) market clearing does not accommodate the uncertainty from variable renewable energy sources, resulting in an increasing activation of expensive reserves and curtailment events. Robust optimization (RO) has been proposed to mitigate this uncertainty. However, as RO considers worst-case scenarios, it results highly conservative solutions. This paper pr...
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