304 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Ames Research CenterUS28 papers
- Research Institute for Advanced Computer ScienceUS13 papers
- University of Maryland, College ParkUS6 papers
- Goddard Space Flight CenterUS5 papers
- University of California, BerkeleyUS5 papers
- Google (United States)US4 papers
- United States Air Force Research LaboratoryUS4 papers
- Wright-Patterson Air Force BaseUS4 papers
- California Institute of TechnologyUS3 papers
- Catholic University of AmericaUS3 papers
- HeliophysicsUS3 papers
- Joint Center for Quantum Information and Computer ScienceUS3 papers
23 papers · 1 filter
Tensor networks for quantum computing
Aleksandr Berezutskii, Minzhao Liu, Atithi Acharya +25
In the rapidly evolving field of quantum computing, tensor networks serve as an important tool due to their multifaceted utility. In this paper, we review the diverse applications…
Classical Pre-optimization Approach for ADAPT-VQE: Maximizing the Potential of High-Performance Computing Resources to Improve Quantum Simulation of Chemical Applications
J. Wayne Mullinax, Panagiotis G. Anastasiou, Jeffrey Larson +2
The ADAPT-VQE algorithm is a promising method for generating a compact ansatz based on derivatives of the underlying cost function, and it yields accurate predictions of electronic…
Certifying the quantumness of a nuclear spin qudit through its uniform precession
Arjen Vaartjes, Martin Nurizzo, Lin Htoo Zaw +16
Spin precession is a textbook example of dynamics of a quantum system that exactly mimics its classical counterpart. Here we challenge this view by certifying the quantumness of ex…
Benchmarking the performance of a high-Q cavity qudit using random unitaries
Nicholas Bornman, Tanay Roy, Joshua A. Job +4
High-coherence cavity resonators are excellent resources for encoding quantum information in higher-dimensional Hilbert spaces, moving beyond traditional qubit-based platforms. A n…
Assessing and Advancing the Potential of Quantum Computing: A NASA Case Study
Eleanor G. Rieffel, Ata Akbari Asanjan, M. Sohaib Alam +20
Quantum computing is one of the most enticing computational paradigms with the potential to revolutionize diverse areas of future-generation computational systems. While quantum co…
Schrödinger cat states of a nuclear spin qudit in silicon
Xi Yu, Benjamin Wilhelm, Danielle Holmes +17
High-dimensional quantum systems are a valuable resource for quantum information processing. They can be used to encode error-correctable logical qubits, which has been demonstrate…
General protocols for the efficient distillation of indistinguishable photons
Jason Saied, Jeffrey Marshall, Namit Anand +1
We introduce state-of-the-art protocols to distill indistinguishable photons, reducing distinguishability error rates by a factor of , while using a modest amount of resources s…
Dual-unitary shadow tomography
Ahmed A. Akhtar, Namit Anand, Jeffrey Marshall +1
We introduce ``dual-unitary shadow tomography'' (DUST), a classical shadow tomography protocol based on dual-unitary brick-wall circuits. To quantify the performance of DUST, we st…
Advancing Quantum Networking: Some Tools and Protocols for Ideal and Noisy Photonic Systems
Jason Saied, Jeffrey Marshall, Namit Anand +2
Quantum networking at many scales will be critical to future quantum technologies and experiments on quantum systems. Photonic links enable quantum networking. They will connect co…
Generating Hard Ising Instances With Planted Solutions Using Post-Quantum Cryptographic Protocols
Salvatore Mandrà, Humberto Munoz-Bauza, Gianni Mossi +1
In this paper we present a novel method to generate hard instances with planted solutions based on the public-private McEliece post-quantum cryptographic protocol. Unlike other pla…
Effective quantum volume, fidelity and computational cost of noisy quantum processing experiments
K. Kechedzhi, S. V. Isakov, S. Mandrà +4
Today's experimental noisy quantum processors can compete with and surpass all known algorithms on state-of-the-art supercomputers for the computational benchmark task of Random Ci…
Simulation of quantum optics by coherent state decomposition
Jeffrey Marshall, Namit Anand
We introduce a framework for simulating quantum optics by decomposing the system into a finite rank (number of terms) superposition of coherent states. This allows us to define a r…
Scrambling and operator entanglement in local non-Hermitian quantum systems
Brian Barch, Namit Anand, Jeffrey Marshall +2
The breakdown of Lieb-Robinson bounds in local, non-Hermitian quantum systems opens up the possibility for a rich landscape of quantum many-body phenomenology. We elucidate this by…
Phase transition in Random Circuit Sampling
A. Morvan, B. Villalonga, X. Mi +182
Undesired coupling to the surrounding environment destroys long-range correlations on quantum processors and hinders the coherent evolution in the nominally available computational…
Lower Bounds on Quantum Annealing Times
Luis Pedro García-Pintos, Lucas T. Brady, Jacob Bringewatt +1
The adiabatic theorem provides sufficient conditions for the time needed to prepare a target ground state. While it is possible to prepare a target state much faster with more gene…
Real-Time Krylov Theory for Quantum Computing Algorithms
Yizhi Shen, Katherine Klymko, James Sud +3
Quantum computers provide new avenues to access ground and excited state properties of systems otherwise difficult to simulate on classical hardware. New approaches using subspaces…
Simultaneous Stoquasticity
Jacob Bringewatt, Lucas T. Brady
Stoquastic Hamiltonians play a role in the computational complexity of the local Hamiltonian problem as well as the study of classical simulability. In particular, stoquastic Hamil…
Lefschetz Thimble Quantum Monte Carlo for Spin Systems
T. C. Mooney, Jacob Bringewatt, Neill C. Warrington +1
Monte Carlo simulations are useful tools for modeling quantum systems, but in some cases they suffer from a sign problem, leading to an exponential slow down in their convergence t…
Real time evolution for ultracompact Hamiltonian eigenstates on quantum hardware
Katherine Klymko, Carlos Mejuto-Zaera, Stephen J. Cotton +9
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-te…
Simulation of adiabatic quantum computing for molecular ground states
Vladimir Kremenetski, Carlos Mejuto-Zaera, Stephen J. Cotton +1
Quantum computation promises to provide substantial speedups in many practical applications with a particularly exciting one being the simulation of quantum many-body systems. Adia…
Perils of Embedding for Quantum Sampling
Jeffrey Marshall, Gianni Mossi, Eleanor G. Rieffel
Given quantum hardware that enables sampling from a family of natively implemented Hamiltonians, how well can one use that hardware to sample from a Hamiltonian outside that family…
Information Scrambling in Computationally Complex Quantum Circuits
Xiao Mi, Pedram Roushan, Chris Quintana +90
Interaction in quantum systems can spread initially localized quantum information into the many degrees of freedom of the entire system. Understanding this process, known as quantu…
Classical symmetries and the Quantum Approximate Optimization Algorithm
Ruslan Shaydulin, Stuart Hadfield, Tad Hogg +1
We study the relationship between the Quantum Approximate Optimization Algorithm (QAOA) and the underlying symmetries of the objective function to be optimized. Our approach formal…