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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 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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In the Bayesian approach to quantum mechanics, probabilities--and thus quantum states--represent an agent's degrees of belief, rather than corresponding to objective properties of physical systems. In...
Discussion started by: Tung Ten Yong
Carlton M. Caves, Christopher A. Fuchs, Ruediger Schack posts: 1

last post
10:26
09/02/08

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We show that the total time of evolution from the initial quantum state to final quantum state and then back to the initial state, i.e., making a round trip along the great circle over S^2, must have ...
Discussion started by: (anonymous)
Pulak Ranjan Giri posts: 1

last post
14:33
08/02/08

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