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2012

2012

We introduce a protocol based on optimal control to drive many-body quantum systems into long-lived entangled states, protected…

Highly Cited

2005

Highly Cited

2005

We develop a theory for the full counting statistics (FCS) for a class of nanoelectromechanical systems (NEMS), describable by a…

Highly Cited

2005

Highly Cited

2005

Let Φ be a super-operator, i.e., a linear mapping of the form Φ : L(F,) → L(G) forfinite dimensionM Hilbert spaces F and G. This…

Highly Cited

2002

Highly Cited

2002

Variance and Fisher information are ingredients of the Cramer-Rao inequality. We regard Fisher information as a Riemannian metric…

2001

2001

We discuss the estimation of channel parameters for a noisy quantum channel - the so-called Pauli channel - using finite…

Highly Cited

1995

Highly Cited

1995

This paper introduces superoperators, an optimization technique for bytecoded interpreters. Superoperators are virtual machine…