Jun 1, 2006 - Abstract. Given a mixed quantum state ρ of a qudit, we consider any ob- servable M as a kind of 'thermometer' in the following sense. Given.

Apr 30, 2013 - Riemannian structure, quantum dynamics, time-energy uncertainty, optimal control, mixed state. 1. arXiv:1304.8103v1 [quant-ph] 30 Apr 2013 ...

Jan 17, 2011 - However, first experiments on the realization of a SQC. [8–10] faced many ... to support a quantum computation with initially mixed states, we ...

Nov 2, 2012 - Deriving bounds for collectibility for positive partially transposed states of ..... positive semi–definite matrix ρ ≥ 0, ρ = ρ†, with fixed trace.

Jan 17, 2011 - arXiv:1101.3275v1 [quant-ph] 17 Jan 2011. Quantum computing with mixed states. Michael Siomau∗. Max-Planck-Institut für Kernphysik, ...

Oct 20, 2005 - tions, that the maximum likelihood estimator is asymp- totically optimal .... the action of the symmetric group SN (See App. A and also [4, 5] for ...

The optimal and minimal measuring strategy is obtained for a two-state system pre- ... state. Performing an optimal measurement, the one which extracts the ...

Abstract. We describe quantum-octave package of functions useful for simu- lations of quantum algorithms and protocols. Presented package allows to perform ...

Aug 17, 2007 - the dual followed by the use of linear programming [19]. Also in [20], SDP has been ...... In order to obtain optimal POVM, we define dual basis |.

arXiv:quant-ph/0304002v1 31 Mar 2003. Optimal conclusive teleportation of quantum states. L. Roa1,2, A. Delgado1,2, and I. Fuentes-Guridi3,4. 1Department of ...