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BQP
... by a quantum computer in polynomial time, with an error probability of at most 1/4 for all instances. In other words, there is an ... polynomial time. On any given run of the algorithm, it has a probability of at most 1/4 that it will give the wrong answer. That is true, ...
Wiki article - JMiszczak - 26/10/2015 - 17:56 - 0 comments
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Research Fellow – Large Deviations for quantum trajectories (University of Nottingham)
... dynamical phase transitions; Quantum Information; Quantum Probability; Quantum Control Application deadline: Sunday, ... in several of the following subjects: classical and quantum probability theory, quantum open systems, condensed-matter theory, statistical ...
Position - Guta - 26/10/2015 - 17:06
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Research Associate/Fellow in Theoretical Quantum Optics (Error-Proof Bell-State Analyser)
... dynamical phase transitions; Quantum Information; Quantum Probability; Quantum Control Application deadline: Friday, ...
Position - igor.lesanovsky - 24/07/2018 - 23:11 - 0 comments
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Classical Entropy Measures
... information by associating to an event occuring with probability p, an amount of information -\log p (as is standard in information ... with probabilities \{p_0,p_1,\ldots,p_{|X|}\}. We call this probability distribution P_X. The terminology X=x refers to a single instance ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Shor's factoring algorithm
... is probabilistic: it gives the correct answer with high probability, and the probability of failure can be decreased by repeating the algorithm. Shor's ...
Wiki article - JMiszczak - 26/10/2015 - 17:56 - 0 comments
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Squashed entanglement
... three random variables A , B , Λ with probability distribution P A , B , Λ ( a , b , λ ... can be shown that H ( A : B ∣Λ) = 0 . Probability distributions of the form Eq.(6) are in fact described by the ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Trace distance
... is the average success probability when distinguishing (by a measurement) two states ρ and σ which are given with equal a priori probability. Mathematically, it is defined as follows: ... given using the classical variational distance between two probability distributions P , Q on an alphabet Z , which is ...
Wiki article - Anonymous (not verified) - 11/02/2016 - 22:51 - 0 comments
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Basic concepts in quantum computation
... _{x}^{\prime }-\alpha _{x}|^{2}}\leq \varepsilon$ . The probability of any specified measurement outcome on the final state is affected ... ( n 3 log(1/ ε )) where ε is the desired probability of error. The log(1/ ε ) part can be explained as ...
Wiki article - Anonymous (not verified) - 04/01/2016 - 11:49 - 0 comments
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Observables and measurements
... O will give some outcome λ i with probability $P(\lambda_i)=|c_i|^2=|\lang\psi_i|\phi\rang|^2$ . After one ... values function, such that ∣ c ( x )∣ 2 is a probability density function. Probability of having some outcome y ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:56 - 0 comments
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Bell's theorem
... formulated in terms of probabilities , for example, the probability that an electron might be detected in a particular region of space, or the probability that it would have spin up or down. However, there still remained ...
Wiki article - Anonymous (not verified) - 26/10/2015 - 17:37 - 0 comments