5,174,381 research outputs found

    Why 1+1 is greater than 2: Exploring the Synergy between Language Assistant and Teacher

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    Máster Universitario en Enseñanza del Inglés como Lengua Extranjera. Especialidad en Teaching Through English in Bilingual Schools (M053

    Whither All the Scope and Generality of Bell's Theorem?

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    In a recent paper James Owen Weatherall has attempted a simple local-deterministic model for the EPR-Bohm correlation and speculated about why his model fails when my counterexample to Bell's theorem succeeds. Here I bring out the physical, mathematical, and conceptual reasons why his model fails. In particular, I demonstrate why no model based on a tensor representation of the rotation group SU(2) can reproduce the EPR-Bohm correlation. I demonstrate this by calculating the correlation explicitly between measurement results A = +1 or -1 and B = +1 or -1 in a local and deterministic model respecting the spinor representation of SU(2). I conclude by showing how Weatherall's reading of my model is misguided, and bring out a number of misconceptions and unwarranted assumptions in his imitation of my model as it relates to the Bell-CHSH inequalities

    Panpsychism: Ubiquitous Sentience

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    This public article presents three arguments for the plausibility of panpsychism: the view that sentience is a fundamental and ubiquitous element of actuality. Thereafter is presented a brief exploration of why panpsychism has been spurned. The article was commissioned by High Existence. – Introduction – 1. The Genetic Argument – 2. The Abstraction Argument – 3. The Inferential Argument – Why Panpsychism is Spurned – End Remark

    Quantum Zeno effect in the decay onto an unstable level

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    Under certain assumptions it is shown that the decay of level 2 of a three-level system onto level 1 is slowed down because of the further decay of level 1 onto level 0. It is argued that this phenomenon may be interpreted as a consequence of the quantum Zeno effect. The reason why this may be possible is that the second decay (or accompanying photon radiation) may be considered as a sign of the transition 2 -> 1 so that during the first transition the system is under continuous observation.Comment: 9 pages, LATE

    Hyperfine Level Splitting for Hydrogen-Like Ions due to Rotation-Spin Coupling

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    The theoretical aspects of spin-rotation coupling are presented. The approach is based on the general covariance principle. It is shown that the gyrogravitational ratio of the bare spin-1/2 and the spin-1 particles is equal unity. That is why spin couples with rotation as an ordinary angular momentum. This result is the rigorous substantiation of the cranking model. To observe the phenomenon, the experiment with hydrogen-like ions in a storage ring is suggested. It is found that the splitting of the 12!S1/2,F=1/21 ^2!S_{1/2}, F=1/2 hyperfine state of the 140Pr58+^{140}{\rm Pr}^{58+} and 142Pm60+^{142}{\rm Pm}^{60+} ions circulating in the storage ring ESR in Darmstadt along a helical trajectory is about 4.5 MHz. We argue that such splitting can be experimentally determined by means of the ionic interferometry.Comment: 6 pages, final versio

    Naturalizing ethics

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    In this essay we provide (1) an argument for why ethics should be naturalized, (2) an analysis of why it is not yet naturalized, (3) a defense of ethical naturalism against two fallacies—Hume’s and Moore’s—that ethical naturalism allegedly commits, and (4) a proposal that normative ethics is best conceived as part of human ecology committed to pluralistic relativism. We explain why naturalizing ethics both entails relativism and also constrains it, and why nihilism about value is not an especially worrisome for ethical naturalists. The substantive view we put forth constitutes the essence of Duke Naturalism

    Genesis of Dark Energy: Dark Energy as Consequence of Release and Two-stage Tracking Cosmological Nuclear Energy

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    Recent observations on Type-Ia supernovae and low density (Ωm=0.3\Omega_{m} = 0.3) measurement of matter including dark matter suggest that the present-day universe consists mainly of repulsive-gravity type `exotic matter' with negative-pressure often said `dark energy' (Ωx=0.7\Omega_{x} = 0.7). But the nature of dark energy is mysterious and its puzzling questions, such as why, how, where and when about the dark energy, are intriguing. In the present paper the authors attempt to answer these questions while making an effort to reveal the genesis of dark energy and suggest that `the cosmological nuclear binding energy liberated during primordial nucleo-synthesis remains trapped for a long time and then is released free which manifests itself as dark energy in the universe'. It is also explained why for dark energy the parameter w=−2/3w = - {2/3}. Noting that w=1 w = 1 for stiff matter and w=1/3w = {1/3} for radiation; w=−2/3w = - {2/3} is for dark energy because "−1""-1" is due to `deficiency of stiff-nuclear-matter' and that this binding energy is ultimately released as `radiation' contributing "+1/3""+ {1/3}", making w=−1+1/3=−2/3w = -1 + {1/3} = - {2/3}. When dark energy is released free at Z=80Z = 80, w=−2/3w = -{2/3}. But as on present day at Z=0Z = 0 when radiation strength has diminished to δ→0\delta \to 0, w=−1+δ1/3=−1w = -1 + \delta{1/3} = - 1. This, thus almost solves the dark-energy mystery of negative pressure and repulsive-gravity. The proposed theory makes several estimates /predictions which agree reasonably well with the astrophysical constraints and observations. Though there are many candidate-theories, the proposed model of this paper presents an entirely new approach (cosmological nuclear energy) as a possible candidate for dark energy.Comment: 17 pages, 4 figures, minor correction

    Gauge-Fermion Unification and Flavour Symmetry

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    After we study the 6-dimensional N=(1,1){\cal N} = (1, 1) supersymmetry breaking and RR symmetry breaking on M4×T2/ZnM^4\times T^2/Z_n, we construct two N=(1,1){\cal N} = (1, 1) supersymmetric E6E_6 models on M4×T2/Z3M^4\times T^2/Z_3 where E6E_6 is broken down to SO(10)×U(1)XSO(10)\times U(1)_X by orbifold projection. In Model I, three families of the Standard Model fermions arise from the zero modes of bulk vector multiplet, and the RR symmetry U(1)FI×SU(2)4−U(1)_F^{I} \times SU(2)_{{\bf 4}_-} can be considered as flavour symmetry. This may explain why there are three families of fermions in the nature. In Model II, the first two families come from the zero modes of bulk vector multiplet, and the flavour symmetry is similar. In these models, the anomalies can be cancelled, and we have very good fits to the SM fermion masses and mixings. We also comment on the N=(1,1){\cal N}=(1, 1) supersymmetric E6E_6 models on M4×T2/Z4M^4\times T^2/Z_4 and M4×T2/Z6M^4\times T^2/Z_6, SU(9) models on M4×T2/Z3M^4\times T^2/Z_3, and SU(8) models on T2T^2 orbifolds.Comment: Latex, 33 pages, minor change
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