Quantum algorithm

Near-Optimal Simultaneous Estimation of Quantum State Moments
Estimating nonlinear properties such as Rényi entropies and observable-weighted moments serves as a central strategy for spectrum …
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Near-Optimal Simultaneous Estimation of Quantum State Moments
Quantum Imaginary-Time Evolution with Polynomial Resources in Time
Imaginary-time evolution is fundamental to analyzing quantum many-body systems, yet classical simulation requires exponentially growing …
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Quantum Imaginary-Time Evolution with Polynomial Resources in Time
Exploring the experimental limit of deep quantum signal processing using a trapped-ion simulator
Quantum signal processing (QSP), which enables systematic polynomial transformations on quantum data through sequences of qubit …
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Exploring the experimental limit of deep quantum signal processing using a trapped-ion simulator
Nonlinear functions of quantum states
Efficient estimation of nonlinear functions of quantum states is crucial for various key tasks in quantum computing, such as …
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Nonlinear functions of quantum states
Quantum Advantage in Reversing Unknown Unitary Evolutions
We introduce the Quantum Unitary Reversal Algorithm (QURA), a deterministic and exact approach to universally reverse arbitrary unknown …
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Quantum Advantage in Reversing Unknown Unitary Evolutions
Quantum Phase Processing and Its Applications in Estimating Phase and Entropies
Quantum computing can provide speedups in solving many problems as the evolution of a quantum system is described by a unitary operator …
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Quantum Phase Processing and Its Applications in Estimating Phase and Entropies