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783,587
Programming Physical Realizations of Quantum Computers
, 2001
"... We study effects of the physical realization of quantum computers on their logical operation. Through simulation of physical models of quantum computer hardware, we analyze the difficulties that are encountered in programming physical realizations of quantum computers. Examples of logically identica ..."
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We study effects of the physical realization of quantum computers on their logical operation. Through simulation of physical models of quantum computer hardware, we analyze the difficulties that are encountered in programming physical realizations of quantum computers. Examples of logically
On physical realizability and uncertainty of numerical solutions
 Atmos. Sci. Lett
, 2005
"... Numerical experiments of the stratified flow past a bellshaped mountain with a shallow shear layer aloft are performed. Two different approximations of the entropy equation (explicit vs implicit numerical treatment of gravity waves) lead to a substantial discrepancy of the numerical results. As the ..."
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. As the flow is metastable, it turns out that both solutions are physically realizable and the quality of the solution changes in response to small variations in the accuracy of the numerical approximation. Copyright 2005 Royal Meteorological
PEM Physical Realization and Functional Validation
"... The purpose of this paper is to describe key aspects of the integration and test of the Data Acquisition Electronics (DAE) in the PEM (Positron Emission Mammography) system. The main aspects highlighted are the methodology and strategies followed to test and validate the functionality and performanc ..."
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and performance of the complete physical system. Test procedures are also described. These tests are controlled by the different FPGAs (Field Programmable Gate Array) that implement the DAE system functionality. Results of test and validation on FPGAs, boards and buses are presented.
Simulating Physics with Computers
 SIAM Journal on Computing
, 1982
"... A digital computer is generally believed to be an efficient universal computing device; that is, it is believed able to simulate any physical computing device with an increase in computation time of at most a polynomial factor. This may not be true when quantum mechanics is taken into consideration. ..."
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Cited by 601 (1 self)
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A digital computer is generally believed to be an efficient universal computing device; that is, it is believed able to simulate any physical computing device with an increase in computation time of at most a polynomial factor. This may not be true when quantum mechanics is taken into consideration
Determining an Optimal Visualization of Physically Realizable Symbol Maps
"... Abstract—Proportional symbol maps are an often used tool to aid cartographers and geoscience professionals to visualize data associated with events (e.g., earthquakes) or geopositioned statistical data (e.g., population). At specific locations, symbols are placed and scaled so that their areas bec ..."
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become proportional to the magnitudes of the events or data. Recent work approaches the problem of drawing these symbols algorithmically and defines metrics to be optimized to attain different kinds of drawings. We focus specifically on optimizing the visualization of physically realizable drawings
On a physical realization of ChernSimons Theory
, 1996
"... The physical content of ChernSimonsaction is discussed and it is shown that the this action is proportional to the usual chraged matter interaction term in electrodynamics. 1 During the last decade we had a rapid success of ChernSimons theory in theoretical physics [1]. Almost in every part of ph ..."
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of physics where the topological and low dimensional effects play roles, one finds applications of this theory [2]. This applications show physical relevance of the ChernSimons theory in a clear manner. However, there are still two open queastions about the physical realization of this theory, namely: 1. A
On a physical realization of ChernSimons Theory
, 1996
"... The physical content of ChernSimonsaction is discussed and it is shown that this action is proportional to the usual chraged matter interaction term in electrodynamics. 1 During the last decade we had a rapid success of ChernSimons theory in theoretical physics [1]. Almost in every part of physic ..."
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of physics where the topological and low dimensional effects play roles, one finds applications of this theory [2]. This applications show the physical relevance of ChernSimons theory in a clear manner. However, there are still two open queastions about the physical realization of this theory, namely about
Macroscopic strings as heavy quarks in large N gauge theory and Antide Sitter supergravity
 PHYS. J. C22
"... Maldacena has put forward large N correspondence between superconformal field theories on the brane and antide Sitter supergravity in spacetime. We study some aspects of the correspondence between N = 4 superconformal gauge theory on D3brane and maximal supergravity on adS5 × S5 by introducing mac ..."
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Cited by 510 (1 self)
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for macroscopic string in antide Sitter supergravity. As a byproduct we clarify how Polchinski’s Dirichlet and Neumann open string boundary conditions arise. We then study nonBPS macroscopic string antistring pair configuration as physical realization of heavy quark Wilson loop. We obtain Q ¯ Q static
Higgs Mechanism in the Standard Model and a Possibility of its Direct Physical Realization
, 812
"... The aim of this work was to answer the question: Is the direct physical realization of the Higgs mechanism possible? It is shown that this mechanism cannot have a direct physical realization since the condition for this realization is not fulfilled. It means that if in the new collider at CERN a sca ..."
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The aim of this work was to answer the question: Is the direct physical realization of the Higgs mechanism possible? It is shown that this mechanism cannot have a direct physical realization since the condition for this realization is not fulfilled. It means that if in the new collider at CERN a
ReactionDiffusion Processes as Physical Realizations of Hecke Algebras
, 1993
"... We show that the master equation governing the dynamics of simple diffusion and certain chemical reaction processes in one dimension give time evolution operators (Hamiltonians) which are realizations of Hecke algebras. In the case of simple diffusion one obtains, after similarity transformations, r ..."
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We show that the master equation governing the dynamics of simple diffusion and certain chemical reaction processes in one dimension give time evolution operators (Hamiltonians) which are realizations of Hecke algebras. In the case of simple diffusion one obtains, after similarity transformations
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