Rest Energy of Classical Self Fields of Point Gravitating Sources

A variant of Brans-Dicke theory is discussed in which the singularities of electric, scalar and metric sector of classical self fields of a point gravitating source are in Jordan frame suppressed and their energy - momentum tensor is integrable. The total energy of the classical electron Coulomb field is finite and in accordance with special relativistic expression m ₀ c ². The same may be said with respect to total rest energy of the quasi-Coulomb field, i.e. the scalar self-field of the source in the case of electron and in the case of a source with zero electric charge. Although (pseudo-)Einstein equations in (pseudo-)Pauli frame are modified, all experimental predictions concerning gravitational effects of macroscopic (celestial) bodies are in accordance with that of GRT.     

On a general class of fuzzy connectives

A general class of conectives, intersection and union, are presented for fuzzy sets. The properties of this class are studied in comparison to the ordinary intersection and union.     

一般手术部环境控制依据

介绍即将颁布的国家标准《综合医院建筑设计规范》,提出了一般手术部定义与手术环境控制措施,本文从一般手术室的定位与污染控制的思路出发,提出符合我国国情的一般手术部环境控制要求依据,也满足环境控制要求。     

Spin Entropy for Kerr Black Holes

It is known that the entropy for a singular spacetime metric can be calculated in the framework of classical field theories by applying Noether's theorem to stationary solutions of Einstein's field equations, integrating a suitable form on a trapping surface for the singularity. When the Kerr solution is considered, two different horizons appear. The physical entropy for the system is well known to be related to the outer horizon. We investigate here which is the meaning of the entropy calculated (via first principle of black hole thermodynamics) on the inner horizon. We show that this entropy, which was earlier interpreted as a sort of "spin entropy" of the black hole, admits in fact an interpretation as a quantity associated to a conserved charge which is related to the rotational degrees of freedom of the system.     

Nuclear-charge polarization at scission in the 12 MeV proton-induced fission of <Superscript>232</Superscript>Th

The most probable charges of secondary fragments, produced after neutron evaporation from primary fragments, have been evaluated using fractional cumulative and mass yields in the 12MeV proton-induced fission of ²³²Th . The nuclear-charge polarization of primary fragments at scission has been obtained by correcting the most probable charge of secondary fragments for neutron evaporation. The fragment mass dependence of the nuclear-charge polarization at scission shows good agreement with that for thermal neutron-induced fission of ²³⁵U , indicating that the nuclear-charge polarization is nearly insensitive to mass and excitation energy of the fissioning nucleus for asymmetric fission in the actinide region.     

A solution of the Coulomb three-body problem

In this work, a final state wave function is constructed which represents a solution of the three-body Schr?dinger equation. The formulated wave function is superimposed of one basic analytical function with various parameters. The coefficients of these basic functions involved in final state wave function can be easily calculated from a set of linear equations. The coefficients depend only on incident energy of the system. The process can also be prolonged for application to the problems more than three bodies.     

The adsorption of water vapor on clean cleaved germanium: II. Electrical properties

Clean germanium surfaces obtained by cleavage in ultrahigh vacuum were exposed to water vapor in the range from 10^?9 up to 1 Torr min. Surface state properties have been derived from measurements of surface conductivity and field effect mobility. At coverages close to a monolayer a steplike change in surface state density indicates a change of the adsorption state similar to a phase transition. The results are described quantitatively by assuming that each structure has its characteristic surface state distribution.     

Two Lower Estimates in Greedy Approximation

We prove one lower estimate for the rate of convergence of the Pure Greedy Algorithm with regard to a general dictionary and another lower estimate for the rate of convergence of the Weak Greedy Algorithm with a special weakness sequence = {t}, 0 < t < 1, with regard to a general dictionary. The second lower estimate combined with the known upper estimate gives the right (in the sense of order) dependence of the exponent in the rate of convergence on the parameter t when t 0.     

A discrete mass transportation problem for infinitely many sites,and general representant systems for infinite families

A discrete mass transportation problem, studied by Kellerer, is extended to the case of infinitely many sites. An application to general representant systems is given, which generalizes M. Hall's extension of P. Hall's theorem to the case of infinite families of sets.     

Letter: Can Geodesics in Extra Dimensions Solve the Cosmic Light Speed Limit?

It is shown that our 3 + 1 Brane Einstein Universe is a trapped shell in a Higher Dimensional spacetime (Bulk). It is also shown that the Israel Condition acts like a pressure to trap matter in Einstein's Universe, and that if we overcome this pressure, we can make a particle leave Einstein's Universe and enter the Bulk. The conditions that allow the entrance to the Bulk permit its use to send signals or particles faster than the speed of the light, when seen from the Brane due to Brane Lensing. However, in the Bulk the particles remain subluminal. Our model differs from all the standard Braneworlds models, because all matter is trapped in this 3 + 1 Einstein Shell, independently of what the Standard Model might impose. What we propose is a new Braneworld Model using some of the features of the Chung-Freese Model, plus a way to overcome the pressure from the Israel Condition. Our model will remotely resemble the Davoudias Hewett, Rizzo modifications made to Randall-Sundrum Model that allow fermions (not only gravitons) to enter the Bulk, although we must outline that we are proposing a different idea.