135 citations · 573 across the 21 of their papers we have counts for
21 papers
Blind calibration of a quantum computer
Liam M. Jeanette, Jadwiga Wilkens, Ingo Roth +4
The calibration of quantum measurements is limited by the ability to accurately prepare quantum states under unknown device errors. We develop an accurate calibration protocol for…
The phase diagram of quantum chromodynamics in one dimension on a quantum computer
Anton T. Than, Yasar Y. Atas, Abhijit Chakraborty +8
The quantum chromodynamics (QCD) phase diagram, which reveals the state of strongly interacting matter at different temperatures and densities, is key to answering open questions i…
Pairwise-parallel entangling gates on orthogonal modes in a trapped-ion chain
Yingyue Zhu, Alaina M. Green, Nhung H. Nguyen +3
Parallel operations are important for both near-term quantum computers and larger-scale fault-tolerant machines because they reduce execution time and qubit idling. We propose and…
Probing The Unitarity of Quantum Evolution Through Periodic Driving
Alaina M. Green, Tanmoy Pandit, C. Huerta Alderete +2
As quantum computers and simulators begin to produce results that cannot be verified classically, it becomes imperative to develop a variety of tools to detect and diagnose experim…
Realizing two-qubit gates through mode engineering on a trapped-ion quantum computer
Ming Li, Nhung H. Nguyen, Alaina M. Green +3
Two-qubit gates are a fundamental constituent of a quantum computer and typically its most challenging operation. In a trapped-ion quantum computer, this is typically implemented w…
Para-particle oscillator simulations on a trapped ion quantum computer
C. Huerta Alderete, Alaina M. Green, Nhung H. Nguyen +3
Deformed oscillators allow for a generalization of the standard fermions and bosons, namely, for the description of para-particles. Such particles, while indiscernible in nature, c…
Multi-round QAOA and advanced mixers on a trapped-ion quantum computer
Yingyue Zhu, Zewen Zhang, Bhuvanesh Sundar +5
Combinatorial optimization problems on graphs have broad applications in science and engineering. The Quantum Approximate Optimization Algorithm (QAOA) is a method to solve these p…
Digital Quantum Simulation of the Schwinger Model and Symmetry Protection with Trapped Ions
Nhung H. Nguyen, Minh C. Tran, Yingyue Zhu +4
Tracking the dynamics of physical systems in real time is a prime application of digital quantum computers. Using a trapped-ion system with up to six qubits, we simulate the real-t…
Experimental Measurement of Out-of-Time-Ordered Correlators at Finite Temperature
Alaina M. Green, A. Elben, C. Huerta Alderete +6
Out-of-time-ordered correlators (OTOCs) are a key observable in a wide range of interconnected fields including many-body physics, quantum information science, and quantum gravity.…
Quantum computational advantage attested by nonlocal games with the cyclic cluster state
Austin K. Daniel, Yinyue Zhu, C. Huerta Alderete +7
We propose a set of Bell-type nonlocal games that can be used to prove an unconditional quantum advantage in an objective and hardware-agnostic manner. In these games, the circuit…
Experimental realization of para-particle oscillators
C. Huerta Alderete, Alaina M. Green, Nhung H. Nguyen +3
Para-particles are fascinating because they are neither bosons nor fermions. While unlikely to be found in nature, they might represent accurate descriptions of physical phenomena…
Cross-Platform Comparison of Arbitrary Quantum Computations
Daiwei Zhu, Ze-Pei Cian, Crystal Noel +14
As we approach the era of quantum advantage, when quantum computers (QCs) can outperform any classical computer on particular tasks, there remains the difficult challenge of how to…
Bounds on the recurrence probability in periodically-driven quantum systems
Tanmoy Pandit, Alaina M. Green, C. Huerta Alderete +2
Periodically-driven systems are ubiquitous in science and technology. In quantum dynamics, even a small number of periodically-driven spins leads to complicated dynamics. Hence, it…
Demonstration of Shor encoding on a trapped-ion quantum computer
Nhung H. Nguyen, Muyuan Li, Alaina M. Green +5
Fault-tolerant quantum error correction (QEC) is crucial for unlocking the true power of quantum computers. QEC codes use multiple physical qubits to encode a logical qubit, which…
Efficient, stabilized two-qubit gates on a trapped-ion quantum computer
Reinhold Blümel, Nikodem Grzesiak, Nhung H. Nguyen +5
Quantum computing is currently limited by the cost of two-qubit entangling operations. In order to scale up quantum processors and achieve a quantum advantage, it is crucial to eco…
Feshbach resonances in -wave three-body recombination within Fermi-Fermi mixtures of open-shell Li and closed-shell Yb atoms
Alaina Green, Hui Li, Jun Hui See Toh +6
We report on observations and modeling of interspecies magnetic Feshbach resonances in dilute ultracold mixtures of open-shell alkali-metal Li and closed-shell Yb atoms…
Two-photon photoassociation spectroscopy of the YbLi molecular ground state
Alaina Green, Jun Hui See Toh, Richard Roy +3
We report on measurements of the binding energies of several weakly bound vibrational states of the paramagnetic YbLi molecule in the electronic ground state using tw…
Two-Element Mixture of Bose and Fermi Superfluids
Richard Roy, Alaina Green, Ryan Bowler +1
We report on the production of a stable mixture of bosonic and fermionic superfluids composed of the elements Yb and Li which feature a strong mismatch in mass and dist…
Photoassociative production of ultracold heteronuclear YbLi* molecules
Richard Roy, Rajendra Shrestha, Alaina Green +5
We report on the production of ultracold heteronuclear YbLi* molecules in a dual-species magneto-optical trap by photoassociation (PA). The formation of the electronically excited…
Rapid Cooling to Quantum Degeneracy in Dynamically Shaped Atom Traps
Richard Roy, Alaina Green, Ryan Bowler +1
We report on a general method for the rapid production of quantum degenerate gases. Using 174Yb, we achieve an experimental cycle time as low as (1.6-1.8) s for the production of B…
EIT intensity correlation power broadening in a buffer gas
Aojie Zheng, Alaina Green, Michael Crescimanno +1
EIT noise correlation spectroscopy holds promise as a simple, robust method for performing high resolution spectroscopy used in optical magnetometry and clocks. Of relevance to the…