Minimal orthonormal bases for pure quantum state estimation
Leonardo Zambrano, L. Pereira, A. Delgado
Abstract
Open-access reader
Leonardo Zambrano, L. Pereira, A. Delgado
Abstract
Open-access reader
We present an analytical method to estimate pure quantum states using a minimum of three measurement bases in any finite-dimensional Hilbert space. This is optimal as two bases are insufficient to construct an informationally complete positive operator-valued measurement (IC-POVM) for pure states. We demonstrate our method using a binary tree structure, providing an algorithmic path for implementation. The performance of the method is evaluated through numerical simulations, showcasing its effectiveness for quantum state estimation.
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We present an analytical method to estimate pure quantum states using a minimum of three measurement bases in any finite-dimensional Hilbert space. This is optimal as two bases are insufficient to construct an informationally complete positive operator-valued measurement (IC-POVM) for pure states. We demonstrate our method using a binary tree structure, providing an algorithmic path for implementation. The performance of the method is evaluated through numerical simulations, showcasing its effectiveness for quantum state estimation.
Key concepts: Orthonormal basis, POVM, Hilbert space, Quantum tomography, Construct (python library), State (computer science), Quantum state, Quantum