6 citations · 6 across the 1 of their papers we have counts for
12 papers
Quadratic Clifford expansion for efficient benchmarking and initialization of variational quantum algorithms
Kosuke Mitarai, Yasunari Suzuki, Wataru Mizukami +2
Variational quantum algorithms are considered to be appealing applications of near-term quantum computers. However, it has been unclear whether they can outperform classical algori…
Overhead for simulating a non-local channel with local channels by quasiprobability sampling
Kosuke Mitarai, Keisuke Fujii
As the hardware technology for quantum computing advances, its possible applications are actively searched and developed. However, such applications still suffer from the noise on…
Orbital optimized unitary coupled cluster theory for quantum computer
Wataru Mizukami, Kosuke Mitarai, Yuya O. Nakagawa +3
We propose an orbital optimized method for unitary coupled cluster theory (OO-UCC) within the variational quantum eigensolver (VQE) framework for quantum computers. OO-UCC variatio…
Variational Quantum Algorithm for Non-equilibrium Steady States
Nobuyuki Yoshioka, Yuya O. Nakagawa, Kosuke Mitarai +1
We propose a quantum-classical hybrid algorithm to simulate the non-equilibrium steady state of an open quantum many-body system, named the dissipative-system Variational Quantum E…
Theory of analytical energy derivatives for the variational quantum eigensolver
Kosuke Mitarai, Yuya O. Nakagawa, Wataru Mizukami
The variational quantum eigensolver (VQE) and its variants, which is a method for finding eigenstates and eigenenergies of a given Hamiltonian, are appealing applications of near-t…
Methodology for replacing indirect measurements with direct measurements
Kosuke Mitarai, Keisuke Fujii
In quantum computing, the indirect measurement of unitary operators such as the Hadamard test plays a significant role in many algorithms. However, in certain cases, the indirect m…