A note on the realignment criterion
... characterizing separable states is NP-hard [5]. Therefore, researchers focus on finding effective criterion to determine whether a density matrix is separable or not. A simple and strong criterion for separability of density matrix is the computable cross norm or realignment (CCNR) criterion. The na ...
... characterizing separable states is NP-hard [5]. Therefore, researchers focus on finding effective criterion to determine whether a density matrix is separable or not. A simple and strong criterion for separability of density matrix is the computable cross norm or realignment (CCNR) criterion. The na ...
Quantum information or quantum coding? - Philsci
... stage of coding he introduces the quantum signal source, which “is a device that codes each message aM from the source A into a "signal state" aM of a quantum system M.” (Schumacher 1995, p. 2738). This means that the quantum states involved in the process described by Schumacher do not come from a ...
... stage of coding he introduces the quantum signal source, which “is a device that codes each message aM from the source A into a "signal state" aM of a quantum system M.” (Schumacher 1995, p. 2738). This means that the quantum states involved in the process described by Schumacher do not come from a ...
Physics and Leibnizhs Principles - General Guide To Personal and
... Leibniz’s principles made for an elegant and coherent philosophy. In part metaphysical, in part methodological, they addressed fundamental questions - in the treatment of symmetry, in the relationship of physics to mathematics, in logic that are if anything even more pressing today than they were in ...
... Leibniz’s principles made for an elegant and coherent philosophy. In part metaphysical, in part methodological, they addressed fundamental questions - in the treatment of symmetry, in the relationship of physics to mathematics, in logic that are if anything even more pressing today than they were in ...
Topics in Applied Physics Volume 115
... In this book, some of the contributions given at the workshop as well as some additional reviews provided by other experts have been collected into three sections dealing with III–V heterostructures, quantum dots and quantum wires, silicon-based nanostructures, and quantum information processing. Th ...
... In this book, some of the contributions given at the workshop as well as some additional reviews provided by other experts have been collected into three sections dealing with III–V heterostructures, quantum dots and quantum wires, silicon-based nanostructures, and quantum information processing. Th ...
Almost all pure quantum states are almost maximally entangled
... not an obvious conclusion from Eq. (2). First, observe that the square of a density matrix tr ρ2A does not have an immediate physical interpretation. From this result alone it is unclear how to quantify the physical distance between the expected local state and the maximally mixed state. Second, not ...
... not an obvious conclusion from Eq. (2). First, observe that the square of a density matrix tr ρ2A does not have an immediate physical interpretation. From this result alone it is unclear how to quantify the physical distance between the expected local state and the maximally mixed state. Second, not ...
Lec 6-7 - Theory of Condensed Matter
... If electric field now imposed along y , −eϕ(y ) = −eEy , symmetry is ...
... If electric field now imposed along y , −eϕ(y ) = −eEy , symmetry is ...
Lecture Notes of my Course on Quantum Computing
... P two standard assumptions for probability distributions are px ≥ 0 and x px = 1. Both the inputs and outputs to the circuits are random vectors. Circuits naturally act on probability distributions, and this is an example of a push-forward measure. We, however, will need a matrix representation of t ...
... P two standard assumptions for probability distributions are px ≥ 0 and x px = 1. Both the inputs and outputs to the circuits are random vectors. Circuits naturally act on probability distributions, and this is an example of a push-forward measure. We, however, will need a matrix representation of t ...
Transport properties of quantum-classical systems
... can be evaluated in the quantum-classical limit. For the present, however, it is convenient to first take a Wigner transform 关22兴 over all degrees of freedom, subsystem plus bath, and later single out the subsystem and bath degrees of freedom for different treatments. Introducing a coordinate repres ...
... can be evaluated in the quantum-classical limit. For the present, however, it is convenient to first take a Wigner transform 关22兴 over all degrees of freedom, subsystem plus bath, and later single out the subsystem and bath degrees of freedom for different treatments. Introducing a coordinate repres ...
paper - Center for Ultracold Atoms
... when convolved with the detector resolution function. As expected, the correlation length in the z direction is unaffected by the lens in the x–y plane. Although our atomic lens was far from ideal, the experiment shows that it is possible to modify the HBT signal by optical means. To conclude, we em ...
... when convolved with the detector resolution function. As expected, the correlation length in the z direction is unaffected by the lens in the x–y plane. Although our atomic lens was far from ideal, the experiment shows that it is possible to modify the HBT signal by optical means. To conclude, we em ...
