Quantum Information Processing - wolfgang
... • The information is usually processed on one and the same quantum register16 realized as an array of qubits,17 i.e. quantum mechanical systems with a preselected simple quantum alternative corresponding to orthonormal state vectors, usually denoted |0i and |1i . • The possible (pure) states of such ...
... • The information is usually processed on one and the same quantum register16 realized as an array of qubits,17 i.e. quantum mechanical systems with a preselected simple quantum alternative corresponding to orthonormal state vectors, usually denoted |0i and |1i . • The possible (pure) states of such ...
Entanglement and Quantum Cryptography Joonwoo Bae Universitat de Barcelona
... Next, we consider Gaussian states and Gaussian operations for cryptographic tasks and derive a new security condition. As it happens for quantum systems of finite dimension, our results suggest that there may also exist weakly entangled Gaussian states useless for key distribution, using Gaussian op ...
... Next, we consider Gaussian states and Gaussian operations for cryptographic tasks and derive a new security condition. As it happens for quantum systems of finite dimension, our results suggest that there may also exist weakly entangled Gaussian states useless for key distribution, using Gaussian op ...
The Structure of a Quantum World Jill North
... sponding physical geometry to the space-time of the world. In particular, we look at the dynamical laws formulated in a coordinate-independent, geometric way (coordinate-dependent formulations can sneak in extra structure that isn’t really required) and consider the space-time structure needed to f ...
... sponding physical geometry to the space-time of the world. In particular, we look at the dynamical laws formulated in a coordinate-independent, geometric way (coordinate-dependent formulations can sneak in extra structure that isn’t really required) and consider the space-time structure needed to f ...
Diamagnetism and flux creep in bilayer exciton superfluids P. R. Eastham,
... The in-plane magnetic susceptibility of the exciton condensate has previously been considered6,24–26 in clean bilayers. However, there are very good reasons to expect27–30 that disorder is essential for understanding the observed transport properties of the bilayer at low temperatures. In particular ...
... The in-plane magnetic susceptibility of the exciton condensate has previously been considered6,24–26 in clean bilayers. However, there are very good reasons to expect27–30 that disorder is essential for understanding the observed transport properties of the bilayer at low temperatures. In particular ...
Nonequilibrium quantum fluctuations of a dispersive medium: Spontaneous emission, photon statistics,
... the reported results, which need to be further investigated. While a constant translational motion requires at least two bodies (otherwise it is trivial due to Lorentz symmetry), a single spinning object can experience friction [32], a phenomenon closely connected to superradiance first introduced b ...
... the reported results, which need to be further investigated. While a constant translational motion requires at least two bodies (otherwise it is trivial due to Lorentz symmetry), a single spinning object can experience friction [32], a phenomenon closely connected to superradiance first introduced b ...
Discrete Approaches to Quantum Gravity in Four Dimensions
... With the absence of a satisfactory quantum theory of gravity, a major puzzle in theoretical physics still remains unsolved. This article contains an overview and a comprehensive bibliography of past efforts to define a consistent theory of quantum gravity in four dimensions via an intermediate discr ...
... With the absence of a satisfactory quantum theory of gravity, a major puzzle in theoretical physics still remains unsolved. This article contains an overview and a comprehensive bibliography of past efforts to define a consistent theory of quantum gravity in four dimensions via an intermediate discr ...
Dirac`s Equation and the Sea of Negative Energy, Music of the
... be called the “Standard Theory” because it is nearly perfect—just a few minor flaws. He then goes on to mention one of them (p. 117): In its basic form, the Standard Theory is a theory for massless particles. All the leptons, quarks, and bosons must be particles without mass, or the mathematical con ...
... be called the “Standard Theory” because it is nearly perfect—just a few minor flaws. He then goes on to mention one of them (p. 117): In its basic form, the Standard Theory is a theory for massless particles. All the leptons, quarks, and bosons must be particles without mass, or the mathematical con ...
The Path Integral approach to Quantum Mechanics Lecture Notes
... • What adds up is the amplitude Φ and not the probability density itself. • The difference between classical and quantum composition of probabilities is given by the interference between classically distinct trajectories. In the standard approach to Quantum Mechanics, the probability amplitude is de ...
... • What adds up is the amplitude Φ and not the probability density itself. • The difference between classical and quantum composition of probabilities is given by the interference between classically distinct trajectories. In the standard approach to Quantum Mechanics, the probability amplitude is de ...
Demonstration of Entanglement of Electrostatically Coupled Singlet-Triplet Qubits M. D. Shulman
... Universal quantum control is achieved using two physically distinct operations that drive rotations around the x and z-axes of the Bloch sphere [11]. Rotations around the z-axis of the Bloch sphere are driven by the exchange splitting, J , between |S〉 and |T0 〉, and rotations around the x-axis are ...
... Universal quantum control is achieved using two physically distinct operations that drive rotations around the x and z-axes of the Bloch sphere [11]. Rotations around the z-axis of the Bloch sphere are driven by the exchange splitting, J , between |S〉 and |T0 〉, and rotations around the x-axis are ...
