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Distillation protocols enable generation of high quality entanglement even in the presence of noise. Existing protocols ignore the presence of local information in mixed states produced from some nois...
Discussion started by: Simon Benjamin
Earl T. Campbell posts: 10

last post
02:05
11/09/09

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We present a characterization of the standard sequential product of quantum effects. The characterization is in terms of algebraic, continuity and duality conditions that can be physically motivated.
Discussion started by: Teiko Heinosaari
Stan Gudder, Frédéric Latrémolière posts: 1

last post
12:29
22/10/08

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We study the intrinsic computational power of entangled states exploited in measurement-based quantum computation. By focussing on the power of the classical computer that controls the measurements, w...
Discussion started by: (anonymous)
Janet Anders, Dan E. Browne posts: 3

last post
17:29
05/02/09

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In this paper we present a quantization of Cellular Automata. Our formalism is based on a lattice of qudits,
and an update rule consisting of local unitary operators that commute with their own latti...
Discussion started by: (anonymous)
Carlos Pérez-Delgado, Donny Cheung posts: 2

last post
15:07
12/09/08

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In this paper we derive the Cerf-Adami inequalities from purely thermodynamic considerations without reference to Markov chains and demonstrate that they can be interpreted as a corollary of the secon...
Discussion started by: (anonymous)
Ian T. Durham posts: 10

last post
17:51
16/08/08

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Quantum mechanics is 'emergent' if a statistical treatment of large scale phenomena in a locally deterministic theory requires the use of quantum operators. These quantum operators may allow for symme...
Discussion started by: J Isidro
Gerard 't Hooft posts: 1

last post
08:06
20/06/08

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Unsolved controversies about uncertainty relations and quantum measurements still persists nowadays. They originate around the shortcomings regarding the conventional interpretation of uncertainty rel...
Discussion started by: (anonymous)
S. Dumitru posts: 1

last post
07:47
09/06/08

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It is shown that the supersymmetric quantum mechanics has an octonionic generalization. The generalization is based on the inclusion of quaternions into octonions. The elements from the coset octonion...
Discussion started by: Michel Planat
Vladimir Dzhunushaliev posts: 2

last post
07:19
10/06/08

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We propose a cheat sensitive quantum protocol to perform a private search on a classical database which is efficient in terms of communication complexity. It allows a user to retrieve an item from the...
Discussion started by: Mark Wilde
Vittorio Giovannetti, Seth Lloyd, Lorenzo Maccone posts: 1

last post
23:43
04/06/08

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We show that in finite dimensions a quantum measurement with a continuous set of outcomes can be always realized as a continuous random choice of measurements with a finite number of outcomes.
Discussion started by: Teiko Heinosaari
G. Chiribella, G.M. D'Ariano, D. M. Schlingemann posts: 1

last post
15:12
21/04/08

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