
Superconducting Qubit Storage and Entanglement with Nanomechanical Resonators A. N. Cleland
... generated tremendous interest in the potential for superconductor-based quantum computers. Coherence times up to 5 s have been reported in the current-biased devices [2], long enough to perform many logical operations. Here we describe a flexible and scalable quantuminformation-processing architect ...
... generated tremendous interest in the potential for superconductor-based quantum computers. Coherence times up to 5 s have been reported in the current-biased devices [2], long enough to perform many logical operations. Here we describe a flexible and scalable quantuminformation-processing architect ...
The Scattering of α and β Particles by Matter and the
... of this thickness was about 0.87◦ . A simple calculation based on the theory of probability shows that the chance of an α particle being deflected through 90 degrees is vanishingly small. In addition, it will be seen later that the distribution of the α particles for various angles of large deflexio ...
... of this thickness was about 0.87◦ . A simple calculation based on the theory of probability shows that the chance of an α particle being deflected through 90 degrees is vanishingly small. In addition, it will be seen later that the distribution of the α particles for various angles of large deflexio ...
Density of States
... quantum wire, and quantum dot. We have already illustrated the basic approach in our earlier particle-in-a-box examples. However, there will be some slight differences that the reader will notice and should keep in mind. For more information about these density-of-states calculations, the reader may ...
... quantum wire, and quantum dot. We have already illustrated the basic approach in our earlier particle-in-a-box examples. However, there will be some slight differences that the reader will notice and should keep in mind. For more information about these density-of-states calculations, the reader may ...
1911
... the deflexion due to the field of the central charge alone. Possible single deviations due to the negative electricity, if distributed in the form of corpuscles, are not taken into account at this stage of the theory. It will be shown later that its effect is in general small compared with that due ...
... the deflexion due to the field of the central charge alone. Possible single deviations due to the negative electricity, if distributed in the form of corpuscles, are not taken into account at this stage of the theory. It will be shown later that its effect is in general small compared with that due ...
Probabilistic quantum metrology Bernat Gendra Casalí
... figure of merit allows her to order the different protocols in terms of her needs, taking into account what use will be given to the estimated value. Up until now most quantum metrology schemes and known bounds have been deterministic, that is, they are optimized in order to provide a valid estimate ...
... figure of merit allows her to order the different protocols in terms of her needs, taking into account what use will be given to the estimated value. Up until now most quantum metrology schemes and known bounds have been deterministic, that is, they are optimized in order to provide a valid estimate ...
the quantum vacuum
... contributed to the specific heat of gases (Einstein and Stern, 1913). In 1916, NERNST wrote that the electromagnetic field should be, even in empty space and at absolute zero-point of temperature, i.e., in its ground state, in a state of ceaseless activity (the „quantum fluctuations“ of virtual phot ...
... contributed to the specific heat of gases (Einstein and Stern, 1913). In 1916, NERNST wrote that the electromagnetic field should be, even in empty space and at absolute zero-point of temperature, i.e., in its ground state, in a state of ceaseless activity (the „quantum fluctuations“ of virtual phot ...
Reading out a quantum bit
... state of the qubits in the out register when the algorithm is done. As we will see later one also needs to read out certain qubits during the computation if we want to perform error correction. On the algorithm level a read-out is simply a projective measurement. If we read-out a qubit in the state ...
... state of the qubits in the out register when the algorithm is done. As we will see later one also needs to read out certain qubits during the computation if we want to perform error correction. On the algorithm level a read-out is simply a projective measurement. If we read-out a qubit in the state ...
ECE2 The Second Paradigm Shift Chapter Five
... class one hamiltonian is not observed, there would be a major crisis in physics, because the philosophy of the Dirac equation would have bene refuted. The ECE2 hamiltonian is mathematically the same as the one used to produce relativistic quantum mechanics in the SU(2) basis. For over ninety years i ...
... class one hamiltonian is not observed, there would be a major crisis in physics, because the philosophy of the Dirac equation would have bene refuted. The ECE2 hamiltonian is mathematically the same as the one used to produce relativistic quantum mechanics in the SU(2) basis. For over ninety years i ...
Majorana solutions to the two
... do not agree with the final ones yi′ (ri ). The whole procedure is, then, repeated by using the final field of the first approximation as the initial field of the second one, and this is repeated over and over again until the initial and final wavefunctions agree to the desired accuracy. The final f ...
... do not agree with the final ones yi′ (ri ). The whole procedure is, then, repeated by using the final field of the first approximation as the initial field of the second one, and this is repeated over and over again until the initial and final wavefunctions agree to the desired accuracy. The final f ...
PPT
... Corollary: strict positiveness of ER∞ How we construct the An’s : we measure each copy with a local informationally complete POVM M to obtain an empirical estimate n of the state. If ...
... Corollary: strict positiveness of ER∞ How we construct the An’s : we measure each copy with a local informationally complete POVM M to obtain an empirical estimate n of the state. If ...
- Philsci
... equations of motion in connection with chaos in classical systems is an important step in locating quantum systems that are capable of exhibiting chaotic behavior. It should be rather obvious to researchers in the foundations of quantum physics that there are nonseparable quantum Hamiltonians, since ...
... equations of motion in connection with chaos in classical systems is an important step in locating quantum systems that are capable of exhibiting chaotic behavior. It should be rather obvious to researchers in the foundations of quantum physics that there are nonseparable quantum Hamiltonians, since ...
pdf
... nanorod arrays, with larger nanorod dimensions and lower array densities than those investigated in our work, found the charge yield scaled with the square of the laser pulse-energy. Nagel et al. interpreted the 2nd order power relationship as being indicative of a strong optical field emission proc ...
... nanorod arrays, with larger nanorod dimensions and lower array densities than those investigated in our work, found the charge yield scaled with the square of the laser pulse-energy. Nagel et al. interpreted the 2nd order power relationship as being indicative of a strong optical field emission proc ...
Quantum electrodynamics

In particle physics, quantum electrodynamics (QED) is the relativistic quantum field theory of electrodynamics. In essence, it describes how light and matter interact and is the first theory where full agreement between quantum mechanics and special relativity is achieved. QED mathematically describes all phenomena involving electrically charged particles interacting by means of exchange of photons and represents the quantum counterpart of classical electromagnetism giving a complete account of matter and light interaction.In technical terms, QED can be described as a perturbation theory of the electromagnetic quantum vacuum. Richard Feynman called it ""the jewel of physics"" for its extremely accurate predictions of quantities like the anomalous magnetic moment of the electron and the Lamb shift of the energy levels of hydrogen.