50 citations · 83 across the 10 of their papers we have counts for
11 papers
Distributed Quantum Information Processing: A Review of Recent Progress
Johannes Knörzer, Xiaoyu Liu, Benjamin F. Schiffer +1
Distributed quantum information processing seeks to overcome the scalability limitations of monolithic quantum devices by interconnecting multiple quantum processing nodes via clas…
Phase-Sensitive Measurements on a Fermi-Hubbard Quantum Processor
Alberto R. Cavallar, Luis Escalera-Moreno, Titus Franz +4
Fermionic quantum processors are a promising platform for quantum simulation of correlated fermionic matter. In this work, we study a hardware-efficient protocol for measuring comp…
Hardware-efficient quantum phase estimation via local control
Benjamin F. Schiffer, Dominik S. Wild, Nishad Maskara +2
Quantum phase estimation plays a central role in quantum simulation as it enables the study of spectral properties of many-body quantum systems. Most variants of the phase estimati…
Preparing low-variance states using a distributed quantum algorithm
Xiaoyu Liu, Benjamin F. Schiffer, Jordi Tura
Quantum computers are a highly promising tool for efficiently simulating quantum many-body systems. The preparation of their eigenstates is of particular interest and can be addres…
Quantum quench dynamics as a shortcut to adiabaticity
Alexander Lukin, Benjamin F. Schiffer, Boris Braverman +9
The ability to efficiently prepare ground states of quantum Hamiltonians via adiabatic protocols is typically limited by the smallest energy gap encountered during the quantum evol…
The quantum adiabatic algorithm suppresses the proliferation of errors
Benjamin F. Schiffer, Adrian Franco Rubio, Rahul Trivedi +1
The propagation of errors severely compromises the reliability of quantum computations. The quantum adiabatic algorithm is a physically motivated method to prepare ground states of…
Virtual mitigation of coherent non-adiabatic transitions by echo verification
Benjamin F. Schiffer, Dyon van Vreumingen, Jordi Tura +1
Transitions out of the ground space limit the performance of quantum adiabatic algorithms, while hardware imperfections impose stringent limitations on the circuit depth. We propos…
Circumventing superexponential runtimes for hard instances of quantum adiabatic optimization
Benjamin F. Schiffer, Dominik S. Wild, Nishad Maskara +3
Classical optimization problems can be solved by adiabatically preparing the ground state of a quantum Hamiltonian that encodes the problem. The performance of this approach is det…
Quantum eigenstate broadcasting assisted by a coherent link
Benjamin F. Schiffer, Jordi Tura
Preparing the ground state of a local Hamiltonian is a crucial problem in understanding quantum many-body systems, with applications in a variety of physics fields and connections…
Quantum computers as an amplifier for existential risk
Benjamin F. Schiffer
Quantum computing is expected to have a profound impact on society. In this work we discuss the potential consequences on existential risk for humanity. Even with the timeline for…
Adiabatic Spectroscopy and a Variational Quantum Adiabatic Algorithm
Benjamin F. Schiffer, Jordi Tura, J. Ignacio Cirac
Preparing the ground state of a Hamiltonian is a problem of great significance in physics with deep implications in the field of combinatorial optimization. The adiabatic algorithm…