Efficient algorithms compute stabilizer Rényi entropy and mana for quantum states from vectors at O(N d^{2N}) cost using fast Hadamard transform, with open-source implementation.
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A deterministic recursive quantum circuit prepares antisymmetric states for η fermions in N orbitals with O(η²√N) T-gates and O(√N) dirty ancillas, outperforming sorting methods for η ≲ √N.
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Computing quantum magic of state vectors
Efficient algorithms compute stabilizer Rényi entropy and mana for quantum states from vectors at O(N d^{2N}) cost using fast Hadamard transform, with open-source implementation.
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Recursive algorithm for constructing antisymmetric fermionic states in first quantization mapping
A deterministic recursive quantum circuit prepares antisymmetric states for η fermions in N orbitals with O(η²√N) T-gates and O(√N) dirty ancillas, outperforming sorting methods for η ≲ √N.