ON THE NOTION OF COEXISTENCE IN QUANTUM MECHANICS

Paul Busch*, Jukka Kiukas, Pekka Lahti

*Awdur cyfatebol y gwaith hwn

Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

6 Dyfyniadau(SciVal)
17 Wedi eu Llwytho i Lawr (Pure)

Crynodeb

The notion of coexistence of quantum observables was introduced to describe the possibility of measuring two or more observables together. Here we survey the various different formalisations of this notion and their connections. We review examples illustrating the necessary degrees of unsharpness for two noncommuting observables to be jointly measurable (in one sense of the phrase). We demonstrate the possibility of measuring together (in another sense of the phrase) noncoexistent observables. This leads us to a reconsideration of the connection between joint measurability and noncommutativity of observables and of the statistical and individual aspects of quantum measurements.

Iaith wreiddiolSaesneg
Tudalennau (o-i)665-680
Nifer y tudalennau16
CyfnodolynMathematica Slovaca
Cyfrol60
Rhif cyhoeddi5
Dynodwyr Gwrthrych Digidol (DOIs)
StatwsCyhoeddwyd - 08 Hyd 2010
Cyhoeddwyd yn allanolIe

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