Lecture 20
... Therefore, three - bit repetition code is less reliable than original one-bit transmission if error rate for a single bit flip exceeds 1/2. ...
... Therefore, three - bit repetition code is less reliable than original one-bit transmission if error rate for a single bit flip exceeds 1/2. ...
Mechanical quantum resonators A. N. Cleland and M. R. Geller
... resonator, qubit states prepared in a junction can be passed to the resonator and stored there, and can later be passed back to the original junction or transferred to another junction with high fidelity. The resonator can also be used to produce controlled entangled states between a pair of junctio ...
... resonator, qubit states prepared in a junction can be passed to the resonator and stored there, and can later be passed back to the original junction or transferred to another junction with high fidelity. The resonator can also be used to produce controlled entangled states between a pair of junctio ...
computing
... so-called working bits which are set to zero at the input and return to zero at the output but which can take non-zero values during the computation. What makes quantum function evaluation really interesting is its action on a superposition of different inputs x, for example, X X |x, 0i 7→ |x, f (x) ...
... so-called working bits which are set to zero at the input and return to zero at the output but which can take non-zero values during the computation. What makes quantum function evaluation really interesting is its action on a superposition of different inputs x, for example, X X |x, 0i 7→ |x, f (x) ...
The Shadow Path integral Ground State method
... the rotational inertia of solid 4He, bulk and confined in porous media, was observed below a certain critical temperature; this “non-classical rotational inertia” could be interpreted as a superfluid behavior in solid Helium, “supersolidity”. Because of this experiment, the first probable (there is ...
... the rotational inertia of solid 4He, bulk and confined in porous media, was observed below a certain critical temperature; this “non-classical rotational inertia” could be interpreted as a superfluid behavior in solid Helium, “supersolidity”. Because of this experiment, the first probable (there is ...
Full-text PDF - American Mathematical Society
... a compact Riemannian manifold (M, g), which for simplicity we assume has no boundary. The Laplacian is replaced by the Laplace-Beltrami operator g for the metric and the classical mechanics is that of motion by geodesics on X = T1 (M ), the space of unit tangent vectors over M . For an eigenfunctio ...
... a compact Riemannian manifold (M, g), which for simplicity we assume has no boundary. The Laplacian is replaced by the Laplace-Beltrami operator g for the metric and the classical mechanics is that of motion by geodesics on X = T1 (M ), the space of unit tangent vectors over M . For an eigenfunctio ...
gaussian wavepackets
... which is certainly not prompt; even for such a precisely located smallish lump of macroscopic stuff (4.4 × 10−5 mole of quarz, with its more than 1020 internal degrees of freedom) the process (20) takes roughly the age of the universe to approach to completion. 4. Remarks concerning the “natural time ...
... which is certainly not prompt; even for such a precisely located smallish lump of macroscopic stuff (4.4 × 10−5 mole of quarz, with its more than 1020 internal degrees of freedom) the process (20) takes roughly the age of the universe to approach to completion. 4. Remarks concerning the “natural time ...
A REPORT ON QUANTUM COMPUTING
... But actually we need the whole superposition to get the time evolution right. The system really is in some sense in all the classical-like states at once! If the superposition can be protected from unwanted entanglement with its environment (known as decoherence), a quantum computer can output resul ...
... But actually we need the whole superposition to get the time evolution right. The system really is in some sense in all the classical-like states at once! If the superposition can be protected from unwanted entanglement with its environment (known as decoherence), a quantum computer can output resul ...
pdf version - IPS Meeting 2015
... a bit shy in showcasing what research they do, encourage them to take part in this annual event, and get connected again with the next generation of researchers! As usual, we tried to find a balance between bringing people together with similar interest, and encourage exchange between different fiel ...
... a bit shy in showcasing what research they do, encourage them to take part in this annual event, and get connected again with the next generation of researchers! As usual, we tried to find a balance between bringing people together with similar interest, and encourage exchange between different fiel ...
Closed timelike curves make quantum and classical computing equivalent
... School of Computer Science, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 ...
... School of Computer Science, University of Waterloo, Waterloo, Ontario, Canada N2L 3G1 ...
Partial Observation of Quantum Turing Machine and Weaker Well
... recognized by the machine and the execution time depend on the partition K. Proposition 1 states that if K is composed of a unique block, then the evolution of a QTM M and the OQTM [M ]K are the same. Another example where K is a bipartition is given in lemma 5. In that example, for a given QTM M , ...
... recognized by the machine and the execution time depend on the partition K. Proposition 1 states that if K is composed of a unique block, then the evolution of a QTM M and the OQTM [M ]K are the same. Another example where K is a bipartition is given in lemma 5. In that example, for a given QTM M , ...
Experimental Implementation of Adiabatic Passage between
... state is Z2 B order when J ≪ −g, Z2 A order when J ≫ g, and a spin-polarized state without topological order when jJj ≪ g, respectively. From Fig. 2, we can see that by changing J, the ground state of the system is driven from Z2 A to Z2 B topological order through the trivial spinpolarized state. T ...
... state is Z2 B order when J ≪ −g, Z2 A order when J ≫ g, and a spin-polarized state without topological order when jJj ≪ g, respectively. From Fig. 2, we can see that by changing J, the ground state of the system is driven from Z2 A to Z2 B topological order through the trivial spinpolarized state. T ...
Derivation of new quantum hydrodynamic equations using entropy
... 1. Introduction. Quantum phenomena in semiconductor devices are increasingly important as the characteristic lengths of modern devices are of the order of deca-nanometers only. In fact, there are devices, like resonant tunneling diodes, whose behavior is essentially based on quantum effects. Since t ...
... 1. Introduction. Quantum phenomena in semiconductor devices are increasingly important as the characteristic lengths of modern devices are of the order of deca-nanometers only. In fact, there are devices, like resonant tunneling diodes, whose behavior is essentially based on quantum effects. Since t ...
Halperin.pdf
... wires. In particular, in the gray-scale plot of G there are a series of light and dark bands parallel to the lines expected for an infinite sample, reflecting oscillations in G with an approximate period δB in the magnetic-field direction that varies inversely with the length L for different samples. Th ...
... wires. In particular, in the gray-scale plot of G there are a series of light and dark bands parallel to the lines expected for an infinite sample, reflecting oscillations in G with an approximate period δB in the magnetic-field direction that varies inversely with the length L for different samples. Th ...
Educação - Química Nova
... if used to describe the whole QM. This work can be applied within a pedagogical approach, improving teaching and learning whereby the students must be active, creative, and participative. The effective model considered in this work is used to describe the whole PT. However, it also represents an app ...
... if used to describe the whole QM. This work can be applied within a pedagogical approach, improving teaching and learning whereby the students must be active, creative, and participative. The effective model considered in this work is used to describe the whole PT. However, it also represents an app ...
Causal Sets: Discrete Gravity (Notes for the Valdivia Summer School)
... The causal set idea is, in essence, nothing more than an attempt to combine the twin ideas of discreteness and order to produce a structure on which a theory of quantum gravity can be based. That such a step was almost inevitable is indicated by the fact that very similar formulations were put forwa ...
... The causal set idea is, in essence, nothing more than an attempt to combine the twin ideas of discreteness and order to produce a structure on which a theory of quantum gravity can be based. That such a step was almost inevitable is indicated by the fact that very similar formulations were put forwa ...