Extending the Agent in QBism
| Autor: | Jacques Pienaar |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Quantum Physics
Philosophy of science 010308 nuclear & particles physics Computer science Astrophysics::Instrumentation and Methods for Astrophysics Measure (physics) FOS: Physical sciences General Physics and Astronomy Quantum measurement Interpretations of quantum mechanics 01 natural sciences Extension (metaphysics) Quantum state 0103 physical sciences Calculus Quantum information Quantum Physics (quant-ph) 010306 general physics Quantum Computer Science::Databases |
| Zdroj: | Foundations of Physics. 50:1894-1920 |
| ISSN: | 1572-9516 0015-9018 |
| DOI: | 10.1007/s10701-020-00375-z |
| Popis: | According to the subjective Bayesian interpretation of quantum mechanics (QBism), the instruments used to measure quantum systems are to be regarded as an extension of the senses of the agent who is using them, and quantum states describe the agent's expectations for what they will experience through these extended senses. How can QBism then account for the fact that (i) instruments must be calibrated before they can be used to `sense' anything; (ii) some instruments are more precise than others; (iii) more precise instruments can lead to discovery of new systems? Furthermore, is the agent `incoherent' if they prefer to use a less precise instrument? Here we provide answers to these questions. Comment: 14 pages |
| Databáze: | OpenAIRE |
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