
Quantum dynamics of cold trapped ions with application to quantum
... a powerful new feature to be incorporated into data processing, namely, the capability of performing logical operations upon quantum mechanical superpositions of numbers. Thus in a conventional digital computer each data register is, throughout any computation, always in a definite state “1” or “0”; ...
... a powerful new feature to be incorporated into data processing, namely, the capability of performing logical operations upon quantum mechanical superpositions of numbers. Thus in a conventional digital computer each data register is, throughout any computation, always in a definite state “1” or “0”; ...
Photonic realization of nonlocal memory effects and non
... Markovian dynamics to a regime with quantum memory effects [6]. Moreover, there has been recently rapid progress in understanding various fundamental issues on quantum non-Markovianity [7–13]. In general, the power of quantum information processing is based on the presence of quantum correlations in ...
... Markovian dynamics to a regime with quantum memory effects [6]. Moreover, there has been recently rapid progress in understanding various fundamental issues on quantum non-Markovianity [7–13]. In general, the power of quantum information processing is based on the presence of quantum correlations in ...
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... photon passes its filter, its E2 companion will also pass its filter. Similarly, if an E1 photon does not pass its filter then its E2 companion will not. The foundation of quantum cryptography lies in the Heisenberg uncertainty principle, which states that certain pairs of physical properties are re ...
... photon passes its filter, its E2 companion will also pass its filter. Similarly, if an E1 photon does not pass its filter then its E2 companion will not. The foundation of quantum cryptography lies in the Heisenberg uncertainty principle, which states that certain pairs of physical properties are re ...
Lecture 20: Density Operator Formalism 1 Density Operator
... Note that if we multiply ̺ on the right with |φj i and on the left with hφj |, we get the probability that we observe φj . This follows from the second summation inP(1) because hφj |φi i = 1 if i = j, and is zero otherwise. Thus, another way of writing (1) is ̺′ = i hφi | ̺ |φi i |φi i hφi |. Once a ...
... Note that if we multiply ̺ on the right with |φj i and on the left with hφj |, we get the probability that we observe φj . This follows from the second summation inP(1) because hφj |φi i = 1 if i = j, and is zero otherwise. Thus, another way of writing (1) is ̺′ = i hφi | ̺ |φi i |φi i hφi |. Once a ...