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Skeletons in the cupboard

A. J. Leggett

in The Problems of Physics

Published in print:
2006
Published Online:
September 2007
ISBN:
9780199211241
eISBN:
9780191706837
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780199211241.003.0005
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

This chapter discusses three fundamental questions which the majority of the physics community believes are not worthy of attention and a minority believes are crucial and in urgent need of ... More


What are Quantum Measurements?

Gershon Kurizki and Goren Gordon

in The Quantum Matrix: Henry Bar's Perilous Struggle for Quantum Coherence

Published in print:
2020
Published Online:
July 2020
ISBN:
9780198787464
eISBN:
9780191829512
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/oso/9780198787464.003.0004
Subject:
Physics, Theoretical, Computational, and Statistical Physics, Particle Physics / Astrophysics / Cosmology

Chapter 4 introduces a great QM mystery: the notion of quantum measurements. Henry is in a superposition of versions localized in several places, but when Eve measures Henry’s position she (as a ... More


Making Sense of It All

Jeffrey Bub

in Bananaworld: Quantum Mechanics for Primates

Published in print:
2016
Published Online:
March 2016
ISBN:
9780198718536
eISBN:
9780191819643
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198718536.003.0010
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The interaction between Schrodinger’s cat and a radioactive atom is the sort of thing that happens in a quantum measurement. The “measurement problem” of quantum mechanics is to explain how the cat ... More


What Is a Wave Function?

William J. Mullin

in Quantum Weirdness

Published in print:
2017
Published Online:
March 2017
ISBN:
9780198795131
eISBN:
9780191836480
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198795131.003.0008
Subject:
Physics, Particle Physics / Astrophysics / Cosmology

The wave function gives probabilities, but is it a real physical quantity, as in the ontic interpretation of quantum mechanics, or just a measure of human belief about a physical system, as in an ... More


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