Weinvestigateadiscriminationschemebetweenunitaryprocesses.Byintroducingamarginfortheprobabilityofanerroneousguess,thisschemeinterpolatesthetwostandarddiscriminationschemes:minimum-errorandunambiguousdiscrimination.Wepresentsolutionsfortwocases.Oneisthecaseoftwounitaryprocesseswithgeneralpriorprobabilities.Theotheristhecasewithagroupsymmetry:Theprocessescompriseaprojectiverepresentationofafinitegroup.Inthelattercase,wefoundthatunambiguousdiscriminationisakindof“allornothing”:Themaximumsuccessprobabilityiseither0or1.Wealsothoroughlyanalyzehowentanglementwithanauxiliarysystemimprovesdiscriminationperformance
We consider the problem of discriminating among a set of unitaries by means of measurements performe...
We have investigated the problem of discriminating between nonorthogonal quantum states with the lea...
One of the most fundamental results in quantum information theory is that no measurement can perfect...
Discrimination of unitary operations is fundamental in quantum computation and information. A lot of...
For minimum-error channel discrimination tasks that involve only unitary channels, we show that sequ...
We formulate minimum-error and unambiguous discrimination problems for quantum processes in the lang...
How to discriminate or compare two unitary transformations that are completely unknown? We first exa...
The problem of discriminating between non-orthogonal states is one that has generated a lot of inter...
We investigate a state discrimination problem which interpolates minimum error and unambiguous discr...
We show that a unitary operation (quantum circuit) secretly chosen from a finite set of unitary oper...
We study the problem of discriminating between non-orthogonal quantum states with least probability ...
We discuss the following variant of the standard minimum error state discrimination problem: Alice p...
The quantum formalism permits one to discriminate sometimes between any set of linearly independent ...
An unknown unitary gate, which is secretly chosen from several known ones, can always be distinguish...
We discuss the problem of designing unambiguous programmable discriminators for any $n$ unknown quan...
We consider the problem of discriminating among a set of unitaries by means of measurements performe...
We have investigated the problem of discriminating between nonorthogonal quantum states with the lea...
One of the most fundamental results in quantum information theory is that no measurement can perfect...
Discrimination of unitary operations is fundamental in quantum computation and information. A lot of...
For minimum-error channel discrimination tasks that involve only unitary channels, we show that sequ...
We formulate minimum-error and unambiguous discrimination problems for quantum processes in the lang...
How to discriminate or compare two unitary transformations that are completely unknown? We first exa...
The problem of discriminating between non-orthogonal states is one that has generated a lot of inter...
We investigate a state discrimination problem which interpolates minimum error and unambiguous discr...
We show that a unitary operation (quantum circuit) secretly chosen from a finite set of unitary oper...
We study the problem of discriminating between non-orthogonal quantum states with least probability ...
We discuss the following variant of the standard minimum error state discrimination problem: Alice p...
The quantum formalism permits one to discriminate sometimes between any set of linearly independent ...
An unknown unitary gate, which is secretly chosen from several known ones, can always be distinguish...
We discuss the problem of designing unambiguous programmable discriminators for any $n$ unknown quan...
We consider the problem of discriminating among a set of unitaries by means of measurements performe...
We have investigated the problem of discriminating between nonorthogonal quantum states with the lea...
One of the most fundamental results in quantum information theory is that no measurement can perfect...