Fidelity of quantum states

Known as: Quantum fidelity 
In quantum information theory, fidelity is a measure of the "closeness" of two quantum states. It is not a metric on the space of density matrices… (More)
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Topic mentions per year

Topic mentions per year

1964-2016
02419642016

Papers overview

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2014
2014
We study the quantum version of a decision tree classifier to fill the gap between quantum computation and machine learning. The… (More)
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2009
2009
We derive several bounds on fidelity between quantum states. In particular we show that fidelity is bounded from above by a… (More)
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2009
2009
We consider a family of vector and operator norms which we refer to as Schmidt norms. We show that these norms have several uses… (More)
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2008
2008
Using the expression of the fidelity for the most general Gaussian quantum states, the quantum fidelity is studied for the states… (More)
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2006
2006
In this paper we analyze the ground state phase diagram of a class of fermionic Hamiltonians by looking at the fidelity of ground… (More)
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2005
2005
We explore the effect of a system’s symmetries on fidelity decay behavior. Chaos-like exponential fidelity decay behavior occurs… (More)
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2004
2004
A noisy Gaussian channel is defined as a channel in which an input field mode is subjected to random Gaussian displacements in… (More)
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2003
2003
We discuss quantum fidelity decay of classically regular dynamics, in particular for an important special case of a vanishing… (More)
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2002
2002
We describe a protocol for continuously protecting unknown quantum states from decoherence that incorporates design principles… (More)
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2001
2001
We derive a simple and general relation between the fidelity of quantum motion, characterizing the stability of quantum dynamics… (More)
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