A Fisher-matrix forecast says LISA can constrain Λ to 0.7% using z=500 PBH binaries, but the forecast uses an assumed Λ=10^-45, not the standard constant value.
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Inferring the cosmological constant in early Universe only by gravitational waves
A Fisher-matrix forecast says LISA can constrain Λ to 0.7% using z=500 PBH binaries, but the forecast uses an assumed Λ=10^-45, not the standard constant value.