What is density operator?
... although perhaps not entirely obvious, that the statistics of any measurements we might choose to make on system A will be independent of whatever Charlie happens to do with system B – we assume that A and B can no longer physically interact after they have been separated. Hence we would like to hav ...
... although perhaps not entirely obvious, that the statistics of any measurements we might choose to make on system A will be independent of whatever Charlie happens to do with system B – we assume that A and B can no longer physically interact after they have been separated. Hence we would like to hav ...
Buletin Stiintific - UPB - Seria A - numar 3 - 2009
... The paper presents the essentials concerning the quantum entangled states as a fundamental resource for quantum informatics. The treatment roughly follows the debate of over 70 years generated by the Einstein, Podolsky, Rosen paper formulating what was later called “the EPR paradox”, and presents th ...
... The paper presents the essentials concerning the quantum entangled states as a fundamental resource for quantum informatics. The treatment roughly follows the debate of over 70 years generated by the Einstein, Podolsky, Rosen paper formulating what was later called “the EPR paradox”, and presents th ...
Quantum Walks in Discrete and Continuous Time
... communicate by programming the qubit frequencies in the network.! ...
... communicate by programming the qubit frequencies in the network.! ...
Quantum Chaos and Quantum Information
... Quantum computation as a dynamical system — Can chaos enhance stability or reduce decoherence of quantum computation? In the last lecture we will present some recent developments on the connection between dynamical systems and quantum computation. In particular, one can simulate chaotic classical an ...
... Quantum computation as a dynamical system — Can chaos enhance stability or reduce decoherence of quantum computation? In the last lecture we will present some recent developments on the connection between dynamical systems and quantum computation. In particular, one can simulate chaotic classical an ...
AJP Journal
... This testifies to the object’s wave nature. On the other hand, performing a which-way experiment reveals which of the slits each object passes through, manifesting its particle nature. However, performing a which-way experiment unavoidably destroys the interference pattern. This was illustrated in v ...
... This testifies to the object’s wave nature. On the other hand, performing a which-way experiment reveals which of the slits each object passes through, manifesting its particle nature. However, performing a which-way experiment unavoidably destroys the interference pattern. This was illustrated in v ...
Overview of Quantum Computing
... An observable ‘Z’ is deemed to be -1 when going to the North Direction and 1 when going in the East Direction. is the Expectation (Average) Value being
...
... An observable ‘Z’ is deemed to be -1 when going to the North Direction and 1 when going in the East Direction.
6.453 Quantum Optical Communication
... One final point is worth making in today’s lecture. The zero-point energy, �ω/2, appearing in the Hamiltonian and its associated energy eigenvalues {En = �ω(n + 1/2) : n = 0, 1, 2, . . .} manifests itself very differently in the quadrature measure ments. Consider the zero-quantum (vacuum) state |0�. ...
... One final point is worth making in today’s lecture. The zero-point energy, �ω/2, appearing in the Hamiltonian and its associated energy eigenvalues {En = �ω(n + 1/2) : n = 0, 1, 2, . . .} manifests itself very differently in the quadrature measure ments. Consider the zero-quantum (vacuum) state |0�. ...
Introduction to Quantum Computation
... classical computer take time proportional to O(n!). But Shor’s algorithm for factoring on a quantum computer takes time proportional to O(n2 log n). ...
... classical computer take time proportional to O(n!). But Shor’s algorithm for factoring on a quantum computer takes time proportional to O(n2 log n). ...
Generating nonclassical quantum input field states with modulating
... physically corresponding to modes in a cavity. The choice of (time-dependent) coupling operators describing the modulator will be important in shaping the output, however, in this set-up the crucial element determining nonvacuum statistics will be the initial state φ ∈ hM of the modulator. We consi ...
... physically corresponding to modes in a cavity. The choice of (time-dependent) coupling operators describing the modulator will be important in shaping the output, however, in this set-up the crucial element determining nonvacuum statistics will be the initial state φ ∈ hM of the modulator. We consi ...
Measuring Quantum Entanglement
... in this talk I am going to assume that conventional quantum mechanics (and the Copenhagen interpretation) holds and will address the questions: what is quantum entanglement and is there a universal measure of the amount of entanglement? how does this behave for systems with many degrees of freedom? ...
... in this talk I am going to assume that conventional quantum mechanics (and the Copenhagen interpretation) holds and will address the questions: what is quantum entanglement and is there a universal measure of the amount of entanglement? how does this behave for systems with many degrees of freedom? ...
Solid-state quantum computing using spectral holes M. S. Shahriar, P. R. Hemmer,
... systems called quantum bits or qubits must be able to address and manipulate individual qubits, to effect coherent interactions between pairs of qubits, and to read out the value of qubits 关1,2兴. Current methods for addressing qubits are divided into spatial methods, as when a laser beam is focused ...
... systems called quantum bits or qubits must be able to address and manipulate individual qubits, to effect coherent interactions between pairs of qubits, and to read out the value of qubits 关1,2兴. Current methods for addressing qubits are divided into spatial methods, as when a laser beam is focused ...
AAAI Proceedings Template
... Markov and quantum models of human decision making and prove that only the latter is capable of producing this type of interference effect. The decision models are developed within the context of a decision paradigm called the signal detection paradigm. Signal detection is a fundamentally important ...
... Markov and quantum models of human decision making and prove that only the latter is capable of producing this type of interference effect. The decision models are developed within the context of a decision paradigm called the signal detection paradigm. Signal detection is a fundamentally important ...
Δk/k
... A pion beam from: p + A → A' + π's ( = 'Bremsstrahlung' of strong interaction), decays weakly in-flight into polarized muons: π± → μ±↑ + νμ (muon Helicity = υμ/c). Positive muons are stopped in condensed matter, for instance a ferromagnet, with muon polarization at right angles to the internal B-fie ...
... A pion beam from: p + A → A' + π's ( = 'Bremsstrahlung' of strong interaction), decays weakly in-flight into polarized muons: π± → μ±↑ + νμ (muon Helicity = υμ/c). Positive muons are stopped in condensed matter, for instance a ferromagnet, with muon polarization at right angles to the internal B-fie ...
PDF
... pure state. Although non-classical light is not necessary to achieve the sum-rate capacity, this is not the case for the individual rates. Indeed, it is possible to find V A and VB , for example, ...
... pure state. Although non-classical light is not necessary to achieve the sum-rate capacity, this is not the case for the individual rates. Indeed, it is possible to find V A and VB , for example, ...
ppt
... g No need for further selection or categorization on massive use ! Just a small tuning of operation voltages is necessary. • Further effort is ongoing by Hamamatsu to make the variation even smaller. ...
... g No need for further selection or categorization on massive use ! Just a small tuning of operation voltages is necessary. • Further effort is ongoing by Hamamatsu to make the variation even smaller. ...
Effects of Decoherence in Quantum Control and Computing
... dynamics due to environmental interactions. Decoherence can be also understood as an error (or a probability of error) of a QC due to environmental interaction (noise). Application of the error-correction codes makes stable QC be possible provided the decoherence rate is below some threshold. Decohe ...
... dynamics due to environmental interactions. Decoherence can be also understood as an error (or a probability of error) of a QC due to environmental interaction (noise). Application of the error-correction codes makes stable QC be possible provided the decoherence rate is below some threshold. Decohe ...
