The paper defends parity-based, axion-free strong CP solutions by arguing that QCD theta vacua are superselected, so the universe cannot superpose different theta values.
Shifman, Instantons, in Advanced Topics in Quantum Field Theory: A Lecture Course(Cambridge University Press, 2012) p
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
citation-role summary
background 1
citation-polarity summary
fields
hep-ph 1years
2025 1verdicts
CONDITIONAL 1roles
background 1polarities
background 1representative citing papers
citing papers explorer
-
Parity solves the Strong CP problem
The paper defends parity-based, axion-free strong CP solutions by arguing that QCD theta vacua are superselected, so the universe cannot superpose different theta values.