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quant-ph2025
Efficient Berry Phase Calculation via Adaptive Variational Quantum Computing Approach
Martin Mootz, Yong-Xin Yao
We present an adaptive variational quantum algorithm to estimate the Berry phase accumulated by a nondegenerate ground state under cyclic, adiabatic evolution of a time-dependent H…
quant-ph2024
Adaptive variational quantum computing approaches for Green's functions and nonlinear susceptibilities
Martin Mootz, Thomas Iadecola, Yong-Xin Yao
We present and benchmark quantum computing approaches for calculating real-time single-particle Green's functions and nonlinear susceptibilities of Hamiltonian systems. The approac…
quant-ph2024
Two-dimensional coherent spectrum of high-spin models via a quantum computing approach
Martin Mootz, Peter P. Orth, Chuankun Huang +3
We present and benchmark a quantum computing approach to calculate the two-dimensional coherent spectrum (2DCS) of high-spin models. Our approach is based on simulating their real-…