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Quantum mechanics, Furry’s hypothesis, and a measure of decoherence in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mrow><mml:msup><mml:mrow><mml:mi>K</mml:mi></mml:mrow><mml:mrow><mml:mn>0</mml:mn></mml:mrow></mml:msup></mml:mrow></mml:math>system
We consider strangeness correlations of the Einstein-Podolski-Rosen type in ${K}^{0}{K}^{0}$ pairs created in a ${J}^{\mathrm{PC}}{=1}^{\ensuremath{-}\ensuremath{-}}$ state as a function of time under the hypothesis that spontaneous decoherence takes place. We parametrize the degree of decoherence by a factor $(1\ensuremath{-}\ensuremath{\zeta})$ which multiplies the quantum-mechanical interference terms occurring in the amplitudes for …