arXiv:gr-qc/9901024 v1 8 Jan 1999 - Philsci
... Those who have succumbed to the seductive allure of the archetype of ‘eternal recurrence’—for example, in our own time: Nietzsche and T.S. Eliot—would want to model points in time by the points on a circle, rather than the real line. ...
... Those who have succumbed to the seductive allure of the archetype of ‘eternal recurrence’—for example, in our own time: Nietzsche and T.S. Eliot—would want to model points in time by the points on a circle, rather than the real line. ...
Completeness, Supervenience, and Ontology
... would display exactly the same observable behavior. Since there were no grounds to consider such a possibility, the most reasonable understanding of classical electromagnetic theory was exactly that given in textbooks: what is real is the fields, and the potentials are merely mathematical convenienc ...
... would display exactly the same observable behavior. Since there were no grounds to consider such a possibility, the most reasonable understanding of classical electromagnetic theory was exactly that given in textbooks: what is real is the fields, and the potentials are merely mathematical convenienc ...
UNITARY OPERATORS AND SYMMETRY TRANSFORMATIONS
... gates.” A quantum operation which copied states would be very useful. For example, we considered the following problem in Homework 1: Given an unknown quantum state, either |α and |β , use a measurement to guess which one. If |α and |β are not orthogonal, then no measurement perfectly distinguishes ...
... gates.” A quantum operation which copied states would be very useful. For example, we considered the following problem in Homework 1: Given an unknown quantum state, either |α and |β , use a measurement to guess which one. If |α and |β are not orthogonal, then no measurement perfectly distinguishes ...
PDF only - at www.arxiv.org.
... consequence of the commitment to the CDEF view at the level of observation, they seem to inevitably admit a role for the conscious observer to account for the appearance of a classically-definite state. This role is antithetical to the very spirit underlying the CDEF conceptions they assume to start ...
... consequence of the commitment to the CDEF view at the level of observation, they seem to inevitably admit a role for the conscious observer to account for the appearance of a classically-definite state. This role is antithetical to the very spirit underlying the CDEF conceptions they assume to start ...
Quantum Discord: A Measure of the Quantumness of Correlations
... However, in contrast with the classical case, extracting all information potentially present in a combined quantum system described by rS ,A will, in general, require a measurement on the combined Hilbert space HS ,A 苷 HS ≠ HA. The quantum version of I has been used some years ago to study entanglem ...
... However, in contrast with the classical case, extracting all information potentially present in a combined quantum system described by rS ,A will, in general, require a measurement on the combined Hilbert space HS ,A 苷 HS ≠ HA. The quantum version of I has been used some years ago to study entanglem ...
Topological insulator with time
... 7.5. How to compute the topological index for these Z2 topological insulators. † More complicated than the Chern number. † There are many different (but equivalent) ways to do so (in the order of 10). † Will not be discussed in the lecture because it is too technical (at least to my standard). Here, ...
... 7.5. How to compute the topological index for these Z2 topological insulators. † More complicated than the Chern number. † There are many different (but equivalent) ways to do so (in the order of 10). † Will not be discussed in the lecture because it is too technical (at least to my standard). Here, ...
Probing order beyond the Landau paradigm
... - Fixed surfaces {Proj. rep. of G such that is a rep. of G} - e.g., G = SO(3), = spin-1/2: Haldane spin-1 chain! Only nontrivial possibilities are generalizations of spin-1 chain ...
... - Fixed surfaces {Proj. rep. of G such that is a rep. of G} - e.g., G = SO(3), = spin-1/2: Haldane spin-1 chain! Only nontrivial possibilities are generalizations of spin-1 chain ...
Renormalisation scalar quantum field theory on 4D
... θµν = −θνµ ∈ R (2π)D became fashionable after their appearance in string theory [1] and the discovery of the UV/IR-mixing problem [2]. The UV/IR-mixing contains a clear message: If we make the world noncommutative at very short distances, we must at the same time modify the physics at large distance ...
... θµν = −θνµ ∈ R (2π)D became fashionable after their appearance in string theory [1] and the discovery of the UV/IR-mixing problem [2]. The UV/IR-mixing contains a clear message: If we make the world noncommutative at very short distances, we must at the same time modify the physics at large distance ...
Isolation of the Conceptual Ingredients of Quantum Theory by Toy
... a Quantum Field Theory and as such is a marriage of Quantum Theory with Special Relativity: for it is Special Relativity with which Quantum Theory has the biggest disagreement. In a famous paper [10] Einstein, Podolsky and Rosen put forward an argument that Quantum Mechanics is incomplete, and reall ...
... a Quantum Field Theory and as such is a marriage of Quantum Theory with Special Relativity: for it is Special Relativity with which Quantum Theory has the biggest disagreement. In a famous paper [10] Einstein, Podolsky and Rosen put forward an argument that Quantum Mechanics is incomplete, and reall ...
Dirac Equation
... 2..Historical and physical motivations that led Dirac to derive this equation in 1928 (a) Niels Bohr’s model of the atom The Bohr model for the atom is a familiar one. It is the picture of the atom as commonly accepted by the public, with a host of electrons circling around a central core or nucleus ...
... 2..Historical and physical motivations that led Dirac to derive this equation in 1928 (a) Niels Bohr’s model of the atom The Bohr model for the atom is a familiar one. It is the picture of the atom as commonly accepted by the public, with a host of electrons circling around a central core or nucleus ...
Idealization in Quantum Field Theory - Philsci
... 1980). Some of these assumptions may be inspired by a Type B Theory, others may even contradict the relevant theory (in case there is any). Theory (of Type A or B) here serves as one tool for the construction of models (Cartwright et al. 1995). How does a phenomenological model relate to theory? Two ...
... 1980). Some of these assumptions may be inspired by a Type B Theory, others may even contradict the relevant theory (in case there is any). Theory (of Type A or B) here serves as one tool for the construction of models (Cartwright et al. 1995). How does a phenomenological model relate to theory? Two ...
Electronic Structure of Superheavy Atoms. Revisited.
... more than the critical value Zc = α−1 ' 137, 04, where α is the finite structure constant, is of fundamental importance. The formulation of QED cannot be considered really completed until an exhaustive answer to this question is given. Although nuclei with overcritical charges can hardly be synthesi ...
... more than the critical value Zc = α−1 ' 137, 04, where α is the finite structure constant, is of fundamental importance. The formulation of QED cannot be considered really completed until an exhaustive answer to this question is given. Although nuclei with overcritical charges can hardly be synthesi ...
Quantum Moduli Spaces 1 Introduction
... attention. In 1], the gauge theory on graphs were associated with the moduli space of at connections. Amazingly, the moduli spaces of complex structures of Riemann surfaces had not been adequately quantized. The main trouble is the huge discrete symmetry group (the modular group) of the moduli spa ...
... attention. In 1], the gauge theory on graphs were associated with the moduli space of at connections. Amazingly, the moduli spaces of complex structures of Riemann surfaces had not been adequately quantized. The main trouble is the huge discrete symmetry group (the modular group) of the moduli spa ...
quantum field theory in curved spacetime
... A subtraction, or regularization, procedure conventionally makes use of the vacuum state. Particle physicists know what the vacuum is: It is (modulo symmetry-breaking degeneracies) the trivial representation of the Poincare group. General relativists are not so lucky. In the absence of geometrical s ...
... A subtraction, or regularization, procedure conventionally makes use of the vacuum state. Particle physicists know what the vacuum is: It is (modulo symmetry-breaking degeneracies) the trivial representation of the Poincare group. General relativists are not so lucky. In the absence of geometrical s ...
