5 papers
Tight bound for the total time in digital-analog quantum computation
Mikel Garcia-de-Andoin, Mikel Sanz
Digital-analog quantum computing (DAQC) is a universal computational paradigm that combines the evolution under an entangling Hamiltonian with the application of single-qubit gates…
Quantum Eigenvalue Transformations for Arbitrary Matrices
Xabier Gutiérrez, Lorenzo Laneve, Mikel Sanz
Quantum Signal Processing (QSP) and Quantum Singular Value Transformation (QSVT) provide an efficient framework for implementing polynomials of block-encoded matrices, and thus off…
Digital-Analog Quantum Computing with Qudits
Alatz Alvarez-Ahedo, Mikel Garcia de Andoin, Mikel Sanz
Digital-analog quantum computing with two-level systems is a computational paradigm that combines an analog Hamiltonian with single-qubit gates to achieve universality. We extend t…
Impact and mitigation of Hamiltonian characterization errors in digital-analog quantum computation
Mikel Garcia-de-Andoin, Alatz Ãlvarez-Ahedo, Adrián Franco-Rubio +1
Digital-analog is a universal quantum computing paradigm which employs the natural entangling Hamiltonian of the system and single-qubit gates as resources. Here, we study the stab…
Symmetry-enhanced Counterdiabatic Quantum Algorithm for Qudits
Alberto Bottarelli, Mikel Garcia de Andoin, Pranav Chandarana +4
Qubit-based variational quantum algorithms have undergone rapid development in recent years but still face several challenges. In this context, we propose a symmetry-enhanced digit…