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Search Results: 1 - 10 of 313 matches for " Erez Yahalomi "
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Electron Wave Function Distribution Change in Mesoscopic Systems
Erez Yahalomi
Physics , 2003,
Abstract: We find a new phenomenon, a particle like an electron, which transfers kinetic energy to other subject undergoes a decrease in its wave packet size in space and an electron that gains kinetic energy experiences an enlargement of its wavepacket size. This effect occurs in some amount of degree almost in any physical system. The effect has significance on electron transport in semiconductors, quantum wires, future devices in nanotechnology and quantum optics.
Acceleration and Special Relativity
Erez M. Yahalomi
Physics , 2000,
Abstract: This paper has been withdrawn by the author due to similarity to Author's other paper
Post acceleraed Frames
Erez M. Yahalomi
Physics , 2000,
Abstract: This paper has been withdrawn by the author due to similarity to the author's other paper
Decrease of Particle's Interference Pattern Due to Energy Changes
Erez M. Yahalomi
Physics , 2001,
Abstract: In this paper we reveal an additional new cause for decreasing of particles interference. We found that particle which, transmits kinetic energy to the detector decrease its wave packet area size. A detector that transmits kinetic energy to the particle increases the particle's wave packet area. We found these phenomena cause decrease in the interference pattern. We show that the interference pattern decrease is graduate and proportional to the amount of the particle's kinetic energy change. We show that our findings are in agreement with the results of different experiments like the two slits experiment and the two paths interferometer experiment. We conclude the wave like behavior of the particle, is not have to lost in the detection process, it changes its area size.
Extension of the Equivalence Between Acceleration and Gravitation
E. M. Yahalomi
Physics , 2001,
Abstract: We conclude that Special relativity effects are caused by a period of acceleration in the past, before they are measure in uniform velocity. This can be regarded as extension of the equivalence principle of General Relativity.We define the notation tp for the acceleration time in the past and formulate the equations for : space-time,velocities additions, mass and energy. The equations give in some cases different results from the usuall special relativity.Our results are obtained by experiments like Hafele and Kaeting experiment. We deduce the existence a cosmological frame we call : Universal Inertial Frame.
Indoor Tanning, Sunbathing, and the Hazard of Skin Cancer: The Effect of the Tan Tax  [PDF]
Gideon Yaniv, Erez Siniver
Theoretical Economics Letters (TEL) , 2015, DOI: 10.4236/tel.2015.51007
Abstract: In July2010, a10 percent federal sales tax on indoor tanning, known as the tan tax, went into effect. Applauding the imposition of the new tax, the American Academy of Dermatology (AAD) foresees that by discouraging indoor tanning, the tan tax will significantly reduce the risk of skin cancer and consequently the future costs of its treatment, currently amounting to $1.8 billion each year. Recognizing, however, that an alternative to indoor tanning may be the riskier practice of sunbathing, the present paper offers a rational-choice model for addressing the individual’s indoor and outdoor tanning decisions, which is applied to examining his or her response to the imposition of a tan tax and the consequent effect on the hazard of developing skin cancer. The paper challenges the AAD’s forecast, identifying conditions under which a tan tax will rather exacerbate the hazard of skin cancer.
The function and regulation of vasa-like genes in germ-cell development
Erez Raz
Genome Biology , 2000, DOI: 10.1186/gb-2000-1-3-reviews1017
Abstract: In sexually reproducing organisms, primordial germ cells (PGCs) give rise to gametes that are responsible for the development of a new organism in the next generation. These cells must remain totipotent - able to differentiate into each and every cell type of all the different organs. In many organisms, maintenance of totipotency is achieved by the specification of germ cells early in embryogenesis: a small group of cells is set aside to follow a unique pathway of differentiation into gametes (reviewed in [1,2,3]).Information on the specification of PGCs has been gained from detailed microscopical analysis, embryological experiments (for example transplantation of cells or cytoplasm) and gene identification through genetic screens for maternal-effect mutations in Drosophila and Caenorhabditis elegans (reviewed in [1,2,3,4]). The main conclusion from these two invertebrate model organisms is that asymmetrical localization of cytoplasmic determinants - the germ plasm - is responsible for the early specification of the germline lineage. The importance of localized cytoplasmic determinants for germ-cell development has been most clearly shown in Drosophila. Here, for example, cytoplasmic germ plasm determinants concentrated at the posterior pole of the embryo in 'pole plasm' can direct cells towards a germ-cell fate when transplanted to an ectopic location. In mutants in which the formation of this morphologically characteristic cytoplasm is disrupted, germ-cell formation is impaired (reviewed in [5]). The pole plasm is characterized by the presence of the polar granules, electron-dense structures not delimited by a membrane that contain many RNAs and proteins and that are associated with mitochondria. The distribution of the pole plasm correlates with the site of PGC formation. On the basis of their unique morphology, germ plasm components have also been identified in other organisms such as C. elegans (where they are termed P granules), Xenopus laevis (germinal granul
Domestic Violence and the Criminal Justice System: An Overview
Erez, Edna
Online Journal of Issues in Nursing , 2002,
Abstract: It is only recently that domestic violence has been considered a violation of the law. Although men have battered, abused and mistreated their wives or intimate partners for a long time, historically, wife or partner abuse has been viewed as a "normal" part of marriage or intimate relationships. Only towards the end of the twentieth century, in the 1970’s, has domestic violence been defined a crime, justifying intervention by the criminal justice system. This article surveys the history of domestic violence as a criminal offense, and the justice system response to woman battering incidents. It first discusses the definition of the offense including debates around the offense definition, and the prevalence and reported frequency of the behavior termed woman battering. It then reviews the legal and social changes over time that have altered the criminal justice system’s approach to domestic violence. Next it outlines the responses of the police, and the prosecution of domestic violence. The article also discusses research findings related to domestic violence and the criminal justice system, along with current controversies concerning the justice approach to domestic violence, its law enforcement, and related unfolding trends in the movement to address domestic violence through the criminal justice system.
Reconsidering Richard Rorty’s Private-Public Distinction
Lior Erez
Humanities , 2013, DOI: 10.3390/h2020193
Abstract: This article provides a new interpretation of Richard Rorty’s notion of the private-public distinction. The first section of the article provides a short theoretical overview of the origins of the public-private distinction in Rorty’s political thought and clarifies the Rortian terminology. The main portion of the article is dedicated to the critique of Rorty’s private-public distinction, divided into two thematic sections: (i) the private-public distinction as undesirable and (ii) the private-public distinction as unattainable. I argue that Rorty’s formulation provides plausible answers to the first kind of criticism, but not to the second. Finally, a reformulation of the private-public distinction will be suggested, which both mitigates the second line of criticism and better coheres with Rorty’s general theory.
Analysis of the Tau Polarization and its Forward-Backward Asymmetry on the Z0
Erez Etzion
Physics , 1996,
Abstract: This thesis describes a new a measurement of the tau lepton polarization and its forward-backward asymmetry at the Z resonance using the OPAL detector. This measurement is based on analyses of the tau->electron, muon and pion (Kaon) decays from a sample of 30663 tau-pair events collected in the polar angle range of Abs(cos(theta)) <0.68 during the 1990-1992 data taking period. Taking then the Standard Model with the V-A structure of the tau lepton decay, we measure the average tau polarization to be =(-13.5+/-2.9+/-2.2)% and the tau polarization forward-backward asymmetry to be AFBpol=(-11.0+/-3.5+/-0.5)% where the first error is statistical and the second systematic. Combining these figures with the OPAL and AFBpol measured with the tau->rho channel we get an average tau polarization, =(-14.9+/-1.9+/-1.3)% and for the asymmetry in the polarization, AFBpol=(-8.9+/-2.2+/-0.9)% . These results are consistent with lepton universality. Combining the two results we obtain for the electroweak mixing angle the value sin^2(theta_W)=0.2331+/-0.0023 within the context of the Standard Model, where the error includes both statistical and systematic uncertainties.
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