Quantum error mitigation
For quantum computers to successfully solve real-world problems, it is necessary to tackle
the challenge of noise: the errors that occur in elementary physical components due to …
the challenge of noise: the errors that occur in elementary physical components due to …
Near-term quantum computing techniques: Variational quantum algorithms, error mitigation, circuit compilation, benchmarking and classical simulation
Quantum computing is a game-changing technology for global academia, research centers
and industries including computational science, mathematics, finance, pharmaceutical …
and industries including computational science, mathematics, finance, pharmaceutical …
Quantum-centric supercomputing for materials science: A perspective on challenges and future directions
Computational models are an essential tool for the design, characterization, and discovery
of novel materials. Computationally hard tasks in materials science stretch the limits of …
of novel materials. Computationally hard tasks in materials science stretch the limits of …
Quantum information and algorithms for correlated quantum matter
Discoveries in quantum materials, which are characterized by the strongly quantum-
mechanical nature of electrons and atoms, have revealed exotic properties that arise from …
mechanical nature of electrons and atoms, have revealed exotic properties that arise from …
Fermionic partial tomography via classical shadows
We propose a tomographic protocol for estimating any k-body reduced density matrix (k-
RDM) of an n-mode fermionic state, a ubiquitous step in near-term quantum algorithms for …
RDM) of an n-mode fermionic state, a ubiquitous step in near-term quantum algorithms for …
Local, expressive, quantum-number-preserving VQE ansätze for fermionic systems
We propose VQE circuit fabrics with advantageous properties for the simulation of strongly
correlated ground and excited states of molecules and materials under the Jordan–Wigner …
correlated ground and excited states of molecules and materials under the Jordan–Wigner …
Real-time evolution for ultracompact hamiltonian eigenstates on quantum hardware
In this work we present a detailed analysis of variational quantum phase estimation (VQPE),
a method based on real-time evolution for ground-and excited-state estimation on near-term …
a method based on real-time evolution for ground-and excited-state estimation on near-term …
Quantum self-consistent equation-of-motion method for computing molecular excitation energies, ionization potentials, and electron affinities on a quantum computer
Near-term quantum computers are expected to facilitate material and chemical research
through accurate molecular simulations. Several developments have already shown that …
through accurate molecular simulations. Several developments have already shown that …
Quantum HF/DFT-embedding algorithms for electronic structure calculations: Scaling up to complex molecular systems
In the near future, material and drug design may be aided by quantum computer assisted
simulations. These have the potential to target chemical systems intractable by the most …
simulations. These have the potential to target chemical systems intractable by the most …
Leveraging small-scale quantum computers with unitarily downfolded hamiltonians
In this work, we propose a quantum unitary downfolding formalism based on the driven
similarity renormalization group (QDSRG) that may be combined with quantum algorithms …
similarity renormalization group (QDSRG) that may be combined with quantum algorithms …