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hep-th2025
Inflation is Not Magic
S. Shajidul Haque, Ghadir Jafari, Bret Underwood
Cosmological perturbations generated during inflation exhibit striking quantum features, including entanglement and high circuit complexity. Yet their observational signatures rema…
hep-th2024★ 5 cited
Universal Early-Time Growth in Quantum Circuit Complexity
S. Shajidul Haque, Ghadir Jafari, Bret Underwood
We show that quantum circuit complexity for the unitary time evolution operator of any time-independent Hamiltonian is bounded by linear growth at early times, independent of any c…