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应用新发展的单一轨迹积分方法求解库仑加线性位的基态量子波函数,得到基态能量和波函数的一般解析表达式,并讨论了解的收敛性.应用此方法讨论了重夸克偶素系统. 相似文献
44.
V.V. Nemoshkalenko V.Ja. Nagorniy M.M. Kogut M.A. Mindlina A.D. Shevchenko I.E. Bulakh 《Solid State Communications》1982,44(2):167-172
Structurally unstable superconducting Laves phases ZrxHf1?xV2 were investigated in the temperature range 4.2 – 300 K for temperature dependence of magnetic susceptibilities χ, resistivity ρ, and X-ray fluorescent emission 2K-spectra of vanadium. Anomalous dependences χ and ρ as compared to common metals was discovered below 150 K. This may be explained in terms of a phase transition of Peierl's type when the lattice instability results from the instability of the electron spectrum due to the dielectric slit that appears on flat parts of the Fermi surface. The presence of regions with localised electron density in the Laves phases on the low-energy side of the vanadium emission spectrum at low temperatures (T=10K) indicates an essential rebuilding in the electron spectrum of valence electrons. 相似文献
45.
We have computed the scale breaking Λ parameters of the euclidean and hamiltonian formulations of the lattice regulated O(N) and SU(N) × SU(N) spin systems in 1 + 1 dimensions in terms of the ΛPV parameters of the Pauli-Villars regulated continuum models. Using lattice perturbation theory, the renormalized mass gap has been determined in terms of ΛPV for each model. These results are compared to analogous calculations in SU(N) gauge theories. 相似文献
46.
We study experimentally the possibility of measuring the dielectric properties of water in the millimeter wavelength range
using dielectric resonators excited at the whispering-gallery modes. The influence of various conditions for excitation of
such resonators by a local source on the sensitivity and resolution of the performed measurements is shown. Electrodynamic
characteristics of the dielectric resonator as a cell for measurements of the electric properties of water are studied.
Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Radiofizika, Vol. 51, No. 9, pp. 769–776, September 2008. 相似文献
47.
Using a gaussian action with an extrinsic curvature term, we study the finite-size scaling behavior of the crumpling transition of a surface embedded in two dimensions. The data suggest that the transition is first order. 相似文献
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V. Yo. Stadnyk B. V. Andriyevsky V. M. Gaba Z. A. Kogut 《Optics and Spectroscopy》2016,120(6):952-957
Temperature dependences of optical path difference δΔ? and the relative changes in thickness δl?/l of TGS crystals doped with L-valine are studied. Temperature dependences of the relative changes in refractive indices δn?/(n–1) are calculated. The anisotropy coefficients of refractive indices Аn–1(Т) and linear expansion Аα(Т) are calculated, and a characteristic minimum of these dependences is found near the phase transition temperature. 相似文献