Objectivity in finite-environment quantum Brownian motion holds only on timescales defined by oscillator frequency ratios and is enhanced near phase π/2 due to trajectory effects.
η is the sum of two complex numbers: η = gQ −e−iωt c + iΩ ω s + c0 + iΩ ω s0 , (C1) with c ≡ cos(Ωt + ϕ), s ≡ sin(Ωt + ϕ), c0 ≡ cos ϕ, s0 = sin ϕ and Q ≡ r ω 2m(ω2 − Ω2)2
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Objectivity in the quantum Brownian motion revisited
Objectivity in finite-environment quantum Brownian motion holds only on timescales defined by oscillator frequency ratios and is enhanced near phase π/2 due to trajectory effects.