Entanglement Witnesses
... • State acts as teleportation channel fidelity exceeds classical value (e.g., 2/3 in 2-d) ...
... • State acts as teleportation channel fidelity exceeds classical value (e.g., 2/3 in 2-d) ...
Studies in Quantum Information Theory
... Beginning as a student in his electromagnetism class at The University of New Mexico (UNM), Carl immediately showed himself to be both someone who students could learn from and someone whose company would always be a welcome addition. Carl supervised my honors thesis at UNM—a project that was ambiti ...
... Beginning as a student in his electromagnetism class at The University of New Mexico (UNM), Carl immediately showed himself to be both someone who students could learn from and someone whose company would always be a welcome addition. Carl supervised my honors thesis at UNM—a project that was ambiti ...
Quantum simulation of disordered systems with cold atoms
... exists a mathematical mapping of the kicked rotor Hamiltonian onto an 1D Anderson Hamiltonian. The kicked rotor can thus be used to quantum-simulate Anderson physics. The original idea of quantum simulation seems to be due to Feynman [5]. Basically, the idea of a quantum simulator (in today’s sense, ...
... exists a mathematical mapping of the kicked rotor Hamiltonian onto an 1D Anderson Hamiltonian. The kicked rotor can thus be used to quantum-simulate Anderson physics. The original idea of quantum simulation seems to be due to Feynman [5]. Basically, the idea of a quantum simulator (in today’s sense, ...
Colloquium: Multiparticle quantum superpositions and the quantum
... particular, in the last few years a significant advance toward generating superposition states of large objects using optomechanical systems has been achieved (Groblacher et al., 2009; Rocheleau, 2010; Teufel, 2011). When dealing with a superposition of multiparticle quantum states, there are two fu ...
... particular, in the last few years a significant advance toward generating superposition states of large objects using optomechanical systems has been achieved (Groblacher et al., 2009; Rocheleau, 2010; Teufel, 2011). When dealing with a superposition of multiparticle quantum states, there are two fu ...
Quantum tomography via compressed sensing: error bounds, sample complexity and... estimators
... copies are needed to obtain an estimate with constant accuracy in the trace distance. This generalizes a result from [33] for pure states. Therefore, our upper bound on the sample complexity of compressed tomography is nearly tight, and compressed tomography nearly achieves the optimal sample comple ...
... copies are needed to obtain an estimate with constant accuracy in the trace distance. This generalizes a result from [33] for pure states. Therefore, our upper bound on the sample complexity of compressed tomography is nearly tight, and compressed tomography nearly achieves the optimal sample comple ...
Entanglement in single-particle systems
... 103 ratio between the masses of proton and electron, it is a good approximation to call these the electronic states of the atom. Consequently, the groundstate of a hydrogen atom is a tensor product of the groundstate of the free centre of mass (i.e. a plane wave of zero momentum) and the groundstate ...
... 103 ratio between the masses of proton and electron, it is a good approximation to call these the electronic states of the atom. Consequently, the groundstate of a hydrogen atom is a tensor product of the groundstate of the free centre of mass (i.e. a plane wave of zero momentum) and the groundstate ...
Practical Quantum Coin Flipping
... of them does not affect the rest. Consequently, Bob can measure each pulse independently, without affecting the remaining pulses. Moreover, the probability for each of these events depends on the protocol parameter K and on µ (which is controlled by Alice). It remains to bound P (cheat|A4 ), i.e. th ...
... of them does not affect the rest. Consequently, Bob can measure each pulse independently, without affecting the remaining pulses. Moreover, the probability for each of these events depends on the protocol parameter K and on µ (which is controlled by Alice). It remains to bound P (cheat|A4 ), i.e. th ...
Bohmian Trajectories of the Two-Electron Helium Atom
... the system at a particular point in configuration space. The constancy of the norm of the wavefunction then expressed the fact that there is always a probability equal to unity of finding the system at some point in configuration space. Although this interpretation is consistent with logic and exper ...
... the system at a particular point in configuration space. The constancy of the norm of the wavefunction then expressed the fact that there is always a probability equal to unity of finding the system at some point in configuration space. Although this interpretation is consistent with logic and exper ...
Information and Entropy in Neural Networks and Interacting Systems
... α, β, γ and δ waves can indicate the overall state of alertness of a human being. Artificial neural networks (ANN) may also try to mimic these features, as in many cases it may be more convenient than a simple sequential set of one-time transformations. Short-term memory, in particular is refreshed ...
... α, β, γ and δ waves can indicate the overall state of alertness of a human being. Artificial neural networks (ANN) may also try to mimic these features, as in many cases it may be more convenient than a simple sequential set of one-time transformations. Short-term memory, in particular is refreshed ...
Relaxation of a qubit measured by a driven Duffing oscillator
... κ νa (see later in this article), the decay rate may display attractor-dependent, two-quantum quasienergy resonances for |ωq − 2ωF | ∼ 2νa , which will be larger than the background given by Eqs. (13) and (16) for κra νa [λS (2n̄ + 1)]1/2 . Both their height and position depend on the field ampl ...
... κ νa (see later in this article), the decay rate may display attractor-dependent, two-quantum quasienergy resonances for |ωq − 2ωF | ∼ 2νa , which will be larger than the background given by Eqs. (13) and (16) for κra νa [λS (2n̄ + 1)]1/2 . Both their height and position depend on the field ampl ...
Optical Two-Dimensional Fourier Transform Spectroscopy of
... the many-body interactions among excitons and carriers dominate the nonlinear optical properties [2]. Phenomenological effects such as local field correction (LFC) [3], biexciton formation [4], excitation-induced dephasing (EID) [5], and excitation-induced shift (EIS) [6] describe the many-body inte ...
... the many-body interactions among excitons and carriers dominate the nonlinear optical properties [2]. Phenomenological effects such as local field correction (LFC) [3], biexciton formation [4], excitation-induced dephasing (EID) [5], and excitation-induced shift (EIS) [6] describe the many-body inte ...
Quantum Optics VII Conference Program
... Fifty years ago, John Bell laid down the foundation of the employment of many of us at this conference. His theorem not only made a testable prediction for quantum mechanics, but also provided a horizon which delineated quantum from post-quantum theories. In this talk I will shine some light on an o ...
... Fifty years ago, John Bell laid down the foundation of the employment of many of us at this conference. His theorem not only made a testable prediction for quantum mechanics, but also provided a horizon which delineated quantum from post-quantum theories. In this talk I will shine some light on an o ...