Computational Complexity: A Modern Approach
... Note that the players’ isolation from each other can be ensured using the special theory of relativity. The players are separated by a light year (say), each accompanied by an assistant of the experimenter. At a designated time, the experimenter’s assistants toss their independent random coins to cr ...
... Note that the players’ isolation from each other can be ensured using the special theory of relativity. The players are separated by a light year (say), each accompanied by an assistant of the experimenter. At a designated time, the experimenter’s assistants toss their independent random coins to cr ...
Quantum interference in the classically forbidden region: A parametric oscillator
... and the Hamiltonian ĝ is independent of time. On the other hand, there is a remote similarity between the oscillations of the tunneling matrix element for period-2 states and for electron states in a double-well potential in a quantizing magnetic field 关20兴. However, not only is the physics differe ...
... and the Hamiltonian ĝ is independent of time. On the other hand, there is a remote similarity between the oscillations of the tunneling matrix element for period-2 states and for electron states in a double-well potential in a quantizing magnetic field 关20兴. However, not only is the physics differe ...
Security of Quantum Key Distribution Using d
... unbiased bases [4,5]). Strong bounds have also been derived in the more general case of coherent attacks, which are useful to assess the security of quantum cryptography (see, e.g., [6–8]). For higher-dimensional systems, however, very few results have been obtained on the resistance to eavesdroppin ...
... unbiased bases [4,5]). Strong bounds have also been derived in the more general case of coherent attacks, which are useful to assess the security of quantum cryptography (see, e.g., [6–8]). For higher-dimensional systems, however, very few results have been obtained on the resistance to eavesdroppin ...
Exciton polarizability in semiconductor nanocrystals
... in Fig. 3 as a function of the size of the QD. The numerical values of the polarizability are of the order of 10,000 Å3 , three orders of magnitude larger than typical molecular polarizabilities and about 10 times larger than that of conjugated oligomer chains of similar length34 . These results ar ...
... in Fig. 3 as a function of the size of the QD. The numerical values of the polarizability are of the order of 10,000 Å3 , three orders of magnitude larger than typical molecular polarizabilities and about 10 times larger than that of conjugated oligomer chains of similar length34 . These results ar ...
Optimization of quantum interferometric metrological sensors in the
... in mode-A 共detection arm兲 and mode-B 共control arm兲, respectively. Such a quantum state resides in an N + 1dimensional Hilbert space. The transformation of the quantum state by any passive lossless optical elements, such as beam splitters, phase shifters, and mirrors, can then be described by an 共N + ...
... in mode-A 共detection arm兲 and mode-B 共control arm兲, respectively. Such a quantum state resides in an N + 1dimensional Hilbert space. The transformation of the quantum state by any passive lossless optical elements, such as beam splitters, phase shifters, and mirrors, can then be described by an 共N + ...
Electric fields and quantum wormholes
... made up of only entangled (and charged) perturbative matter, also permits electric fields to thread it in a manner that to distant observers with access to information about both sides appears qualitatively the same as that for a classical ER bridge. As we will show, for this equivalence to hold, it ...
... made up of only entangled (and charged) perturbative matter, also permits electric fields to thread it in a manner that to distant observers with access to information about both sides appears qualitatively the same as that for a classical ER bridge. As we will show, for this equivalence to hold, it ...
Bounding the quantum dimension with contextuality Linköping University Post Print
... DOI: 10.1103/PhysRevA.89.062107 ...
... DOI: 10.1103/PhysRevA.89.062107 ...
A New Form of Matter (pdf, 217 kB)
... we learned about in school. They are not vaporous, not hard, not fluid. Indeed, there are no ordinary words to describe them because they come from another world -- the world of quantum mechanics. Quantum mechanics describes the bizarre rules of light and matter on atomic scales. In that realm, matt ...
... we learned about in school. They are not vaporous, not hard, not fluid. Indeed, there are no ordinary words to describe them because they come from another world -- the world of quantum mechanics. Quantum mechanics describes the bizarre rules of light and matter on atomic scales. In that realm, matt ...
Quantum eraser article from Scientific Amerian
... particle in another. Both features complement one another as a complete description of the object. Since the idea of complementarity was Þrst enunciated more than 70 years ago, a belief common among many physicists has been that it is simply a consequence of the uncertainty relation. According to th ...
... particle in another. Both features complement one another as a complete description of the object. Since the idea of complementarity was Þrst enunciated more than 70 years ago, a belief common among many physicists has been that it is simply a consequence of the uncertainty relation. According to th ...
Experimental Creation and Measurement of Motional Quantum
... nonclassical character including thermal, number, coherent, squeezed, and \Schrodinger cat" states. The motional quantum state is fully reconstructed using two novel schemes that determine the density matrix in the number state basis or the Wigner-function. Our techniques allow well controlled expe ...
... nonclassical character including thermal, number, coherent, squeezed, and \Schrodinger cat" states. The motional quantum state is fully reconstructed using two novel schemes that determine the density matrix in the number state basis or the Wigner-function. Our techniques allow well controlled expe ...
Quantum Stein`s lemma revisited, inequalities for quantum entropies
... can be established by an elementary argument on less than two pages: The new proof that we present below requires only the law of large numbers and a simple estimate on “overlaps” of certain projections with respect to some given quantum state. It is this simple proof of Stein’s lemma that we consid ...
... can be established by an elementary argument on less than two pages: The new proof that we present below requires only the law of large numbers and a simple estimate on “overlaps” of certain projections with respect to some given quantum state. It is this simple proof of Stein’s lemma that we consid ...
Floquet topological insulator in semiconductor
... topological structures are possible in non-equilibrium conditions, where external time-dependent perturbations represent a rich and versatile resource that can be used to achieve topological spectra in systems that are topologically trivial in equilibrium. In particular, we show that time-periodic p ...
... topological structures are possible in non-equilibrium conditions, where external time-dependent perturbations represent a rich and versatile resource that can be used to achieve topological spectra in systems that are topologically trivial in equilibrium. In particular, we show that time-periodic p ...
Quasi Particle Tunneling in the Fractional Quantum Hall Regime
... University of Copenhagen Niels Bohr Institute Center for Quantum Devices ...
... University of Copenhagen Niels Bohr Institute Center for Quantum Devices ...
Superconducting Circuits and Quantum Computation T. P. Orlando
... Superconducting circuits are being used as components for quantum computing and as model systems for non-linear dynamics. Quantum computers are devices that store information on quantum variables and process that information by making those variables interact in a way that preserves quantum coherenc ...
... Superconducting circuits are being used as components for quantum computing and as model systems for non-linear dynamics. Quantum computers are devices that store information on quantum variables and process that information by making those variables interact in a way that preserves quantum coherenc ...
Louis de Broglie
... subject he chose to devote his life to. In deciding to study physics he was greatly influenced by Poincare’s masterworks, La valeur de la science and La science et l’hypothese. In choosing theoretical physics as a career, he was also influenced by his elder brother Maurice, who was also a physicist ...
... subject he chose to devote his life to. In deciding to study physics he was greatly influenced by Poincare’s masterworks, La valeur de la science and La science et l’hypothese. In choosing theoretical physics as a career, he was also influenced by his elder brother Maurice, who was also a physicist ...
pdf - VUB
... relationships of cause and e ect. The other is an intuitive creative associative mode that provides access to remote or subtle connections between features that may be correlated but not necessarily causally related. We suggest that while representational theories are fairly adequate for predicting ...
... relationships of cause and e ect. The other is an intuitive creative associative mode that provides access to remote or subtle connections between features that may be correlated but not necessarily causally related. We suggest that while representational theories are fairly adequate for predicting ...
Axioms of Relativistic Quantum Field Theory
... Schottenloher, M.: Axioms of Relativistic Quantum Field Theory. Lect. Notes Phys. 759, 121–152 ...
... Schottenloher, M.: Axioms of Relativistic Quantum Field Theory. Lect. Notes Phys. 759, 121–152 ...
glvt-cnrs.fr
... 3 )2 linked by moderately strong hydrogen bonds (figure 1) [11, 12]. Decoherence is cancelled by the dynamical separation of protons from the rest of the lattice [13]. Neutron diffraction reveals, in addition to Bragg’s peaks, rods of diffuse scattering, suggesting the existence of macroscopic state ...
... 3 )2 linked by moderately strong hydrogen bonds (figure 1) [11, 12]. Decoherence is cancelled by the dynamical separation of protons from the rest of the lattice [13]. Neutron diffraction reveals, in addition to Bragg’s peaks, rods of diffuse scattering, suggesting the existence of macroscopic state ...
Precision spectroscopy using quantum superposition of atomic levels
... |ψ2 ⟩). Such superposition has the unique property - a probability of beiing in state |n⟩ is not equal to the sum of the probability, but to the absolute value of the square of probabilities, √12 |c1n + c2n |2 . This inequality is the result of interference between two state vectors, because of the ...
... |ψ2 ⟩). Such superposition has the unique property - a probability of beiing in state |n⟩ is not equal to the sum of the probability, but to the absolute value of the square of probabilities, √12 |c1n + c2n |2 . This inequality is the result of interference between two state vectors, because of the ...
Glassy Chimeras Could Be Blind to Quantum Speedup:
... paper provide a plausible explanation for the scaling behavior observed so far on random-bond Ising problems, it is also known that on quantum annealer implementations, the couplers and biases are influenced by various sources of noise and error, as demonstrated by the fact that gauge-transformed sp ...
... paper provide a plausible explanation for the scaling behavior observed so far on random-bond Ising problems, it is also known that on quantum annealer implementations, the couplers and biases are influenced by various sources of noise and error, as demonstrated by the fact that gauge-transformed sp ...