270 citations · 934 across the 20 of their papers we have counts for
20 papers
Continuous-angle logical rotations in the Steane code
Eric Huang, Daiwei Zhu, Matteo Ippoliti +2
We experimentally demonstrate continuous-angle logical rotations in the Steane code on the IonQ Forte trapped-ion processor. A round of the protocol applies a trans…
Observation of gravity-like signatures in holographic codes on a quantum computer
Debopriyo Biswas, Gong Cheng, Krishnanand Karthikeyan +12
The unification of quantum mechanics and general relativity remains one of the major open problems of theoretical physics. The Anti-de Sitter/Conformal Field Theory (AdS/CFT) corre…
Phase transition in magic with random quantum circuits
Pradeep Niroula, Christopher David White, Qingfeng Wang +5
Magic is a property of quantum states that enables universal fault-tolerant quantum computing using simple sets of gate operations. Understanding the mechanisms by which magic is c…
Quantum computation: Efficient network partitioning for large scale critical infrastructures
Saikat Ray Majumder, Annarita Giani, Weiwei Shen +3
Quantum computers are emerging as a viable alternative to tackle certain computational problems that are challenging for classical computers. With the rapid development of quantum…
Experimental Implementation of an Efficient Test of Quantumness
Laura Lewis, Daiwei Zhu, Alexandru Gheorghiu +11
A test of quantumness is a protocol where a classical user issues challenges to a quantum device to determine if it exhibits non-classical behavior, under certain cryptographic ass…
Copula-based Risk Aggregation with Trapped Ion Quantum Computers
Daiwei Zhu, Weiwei Shen, Annarita Giani +3
Copulas are mathematical tools for modeling joint probability distributions. Since copulas enable one to conveniently treat the marginal distribution of each variable and the inter…
Near-Term Advances in Quantum Natural Language Processing
Dominic Widdows, Aaranya Alexander, Daiwei Zhu +2
This paper describes experiments showing that some tasks in natural language processing (NLP) can already be performed using quantum computers, though so far only with small datase…
Interactive Protocols for Classically-Verifiable Quantum Advantage
Daiwei Zhu, Gregory D. Kahanamoku-Meyer, Laura Lewis +15
Achieving quantum computational advantage requires solving a classically intractable problem on a quantum device. Natural proposals rely upon the intrinsic hardness of classically…
Digital quantum simulation of NMR experiments
Kushal Seetharam, Debopriyo Biswas, Crystal Noel +8
Simulations of nuclear magnetic resonance (NMR) experiments can be an important tool for extracting information about molecular structure and optimizing experimental protocols but…
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…
Observation of measurement-induced quantum phases in a trapped-ion quantum computer
Crystal Noel, Pradeep Niroula, Daiwei Zhu +8
Many-body open quantum systems balance internal dynamics against decoherence from interactions with an environment. Here, we explore this balance via random quantum circuits implem…
Optimizing Stabilizer Parities for Improved Logical Qubit Memories
Dripto M. Debroy, Laird Egan, Crystal Noel +6
We study variants of Shor's code that are adept at handling single-axis correlated idling errors, which are commonly observed in many quantum systems. By using the repetition code…
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…
Fault-Tolerant Operation of a Quantum Error-Correction Code
Laird Egan, Dripto M. Debroy, Crystal Noel +8
Quantum error correction protects fragile quantum information by encoding it into a larger quantum system. These extra degrees of freedom enable the detection and correction of err…
Probing many-body localization on a noisy quantum computer
D. Zhu, S. Johri, N. H. Nguyen +5
A disordered system of interacting particles exhibits localized behavior when the disorder is large compared to the interaction strength. Studying this phenomenon on a quantum comp…
Quantum walks and Dirac cellular automata on a programmable trapped-ion quantum computer
C. Huerta Alderete, Shivani Singh, Nhung H. Nguyen +5
The quantum walk formalism is a widely used and highly successful framework for modeling quantum systems, such as simulations of the Dirac equation, different dynamics in both the…
Noise reduction using past causal cones in variational quantum algorithms
Omar Shehab, Isaac H. Kim, Nhung H. Nguyen +5
We introduce an approach to improve the accuracy and reduce the sample complexity of near term quantum-classical algorithms. We construct a simpler initial parameterized quantum st…
Two-qubit entangling gates within arbitrarily long chains of trapped ions
Kevin A. Landsman, Yukai Wu, Pak Hong Leung +5
Ion trap systems are a leading platform for large scale quantum computers. Trapped ion qubit crystals are fully-connected and reconfigurable, owing to their long range Coulomb inte…
Toward convergence of effective field theory simulations on digital quantum computers
Omar Shehab, Kevin A. Landsman, Yunseong Nam +5
We report results for simulating an effective field theory to compute the binding energy of the deuteron nucleus using a hybrid algorithm on a trapped-ion quantum computer. Two inc…
Parallel Entangling Operations on a Universal Ion Trap Quantum Computer
C. Figgatt, A. Ostrander, N. M. Linke +4
The circuit model of a quantum computer consists of sequences of gate operations between quantum bits (qubits), drawn from a universal family of discrete operations. The ability to…