1.1k citations · 2.6k across the 34 of their papers we have counts for
36 papers
Efficient Logic with Ultra-High-Rate Quantum Codes
Nishad Maskara, Rohan Mehta, Zhiyang He +4
Quantum low-density parity-check (qLDPC) codes offer a promising route to reducing the qubit overhead of fault tolerance, with recent ultra-high-rate constructions achieving encodi…
Design Principles for Ultra-High-Rate Quantum Codes
Jong Yeon Lee, Koki Okada, Nishad Maskara +2
Reducing the qubit overhead of quantum error correction is a central challenge for scalable fault-tolerant quantum computing. Recent ultra-high-rate quantum codes offer a promising…
Fast and Parallel High-Rate STAR Architecture for Megaquop Quantum Simulation
Refaat Ismail, Milan Kornjača, Hong-Ye Hu +4
Fault-tolerant quantum simulation is approaching a phase where encoding overhead, logical Clifford operations, magic-state preparation, and rotation synthesis must be optimized tog…
High-fidelity entangling gates and nonlocal circuits with neutral atoms
Simon J. Evered, Muqing Xu, Sophie H. Li +9
Creation and manipulation of entanglement with low error is essential in quantum information systems. In practice, two-qubit entangling gates constitute a dominant error source, li…
Towards Ultra-High-Rate Quantum Error Correction with Reconfigurable Atom Arrays
Chen Zhao, Casey Duckering, Andi Gu +2
Quantum error correction is widely believed to be essential for large-scale quantum computation, but the required qubit overhead remains a central challenge. Quantum low-density pa…
Engineering quantum criticality and dynamics on an analog-digital simulator
Alexandra A. Geim, Nazli Ugur Koyluoglu, Simon J. Evered +14
Understanding emergent phenomena in out-of-equilibrium interacting many-body systems is an exciting frontier in physical science. While quantum simulators represent a promising app…
Local arrows of time in quantum many-body systems
Andrew G. Yates, Jordan Cotler, Nishad Maskara +1
We demonstrate that in quantum many-body systems, local arrows of time can differ from the global time induced by Hamiltonian evolution. That is, within a quantum many-body sys…
Batched high-rate logical operations for quantum LDPC codes
Qian Xu, Hengyun Zhou, Dolev Bluvstein +5
High-rate quantum LDPC (qLDPC) codes reduce memory overhead by densely packing many logical qubits into a single block of physical qubits. Here we extend this concept to high-rate…
Fast simulation of fermions with reconfigurable qubits
Nishad Maskara, Marcin Kalinowski, Daniel Gonzalez-Cuadra +1
Performing large-scale, accurate quantum simulations of many-fermion systems is a central challenge in quantum science, with applications in chemistry, materials, and high-energy p…
Architectural mechanisms of a universal fault-tolerant quantum computer
Dolev Bluvstein, Alexandra A. Geim, Sophie H. Li +20
Quantum error correction (QEC) is believed to be essential for the realization of large-scale quantum computers. However, due to the complexity of operating on the encoded `logical…
Fast correlated decoding of transversal logical algorithms
Madelyn Cain, Dolev Bluvstein, Chen Zhao +7
Quantum error correction (QEC) is required for large-scale computation, but incurs a significant resource overhead. Recent advances have shown that by jointly decoding logical qubi…
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…
Probing the Kitaev honeycomb model on a neutral-atom quantum computer
Simon J. Evered, Marcin Kalinowski, Alexandra A. Geim +15
Quantum simulations of many-body systems are among the most promising applications of quantum computers. In particular, models based on strongly-correlated fermions are central to…
Probing topological entanglement on large scales
Robert Ott, Torsten V. Zache, Nishad Maskara +3
Topologically ordered quantum matter exhibits intriguing long-range patterns of entanglement, which reveal themselves in subsystem entropies. However, measuring such entropies, whi…
Floquet engineering of interactions and entanglement in periodically driven Rydberg chains
Nazlı Uğur Köylüoğlu, Nishad Maskara, Johannes Feldmeier +1
Neutral atom arrays driven into Rydberg states constitute a promising approach for realizing programmable quantum systems. Enabled by strong interactions associated with Rydberg bl…
Quantum simulation of dynamical gauge theories in periodically driven Rydberg atom arrays
Johannes Feldmeier, Nishad Maskara, Nazlı Uğur Köylüoğlu +1
Simulating quantum dynamics of lattice gauge theories (LGTs) is an exciting frontier in quantum science. Programmable quantum simulators based on neutral atom arrays are a promisin…
Enhancing Quantum Memory Lifetime with Measurement-Free Local Error Correction and Reinforcement Learning
Mincheol Park, Nishad Maskara, Marcin Kalinowski +1
Reliable quantum computation requires systematic identification and correction of errors that occur and accumulate in quantum hardware. To diagnose and correct such errors, standar…
Walking through Hilbert Space with Quantum Computers
Tong Jiang, Jinghong Zhang, Moritz K. A. Baumgarten +6
Computations of chemical systems' equilibrium properties and non-equilibrium dynamics have been suspected of being a "killer app" for quantum computers. This review highlights the…
Quantum coarsening and collective dynamics on a programmable simulator
Tom Manovitz, Sophie H. Li, Sepehr Ebadi +15
Understanding the collective quantum dynamics of nonequilibrium many-body systems is an outstanding challenge in quantum science. In particular, dynamics driven by quantum fluctuat…
Low-Overhead Transversal Fault Tolerance for Universal Quantum Computation
Hengyun Zhou, Chen Zhao, Madelyn Cain +7
Fast, reliable logical operations are essential for realizing useful quantum computers. By redundantly encoding logical qubits into many physical qubits and using syndrome measurem…
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…
Fault-tolerant compiling of classically hard IQP circuits on hypercubes
Dominik Hangleiter, Marcin Kalinowski, Dolev Bluvstein +6
Realizing computationally complex quantum circuits in the presence of noise and imperfections is a challenging task. While fault-tolerant quantum computing provides a route to redu…
Logical quantum processor based on reconfigurable atom arrays
Dolev Bluvstein, Simon J. Evered, Alexandra A. Geim +18
Suppressing errors is the central challenge for useful quantum computing, requiring quantum error correction for large-scale processing. However, the overhead in the realization of…
Programmable Simulations of Molecules and Materials with Reconfigurable Quantum Processors
Nishad Maskara, Stefan Ostermann, James Shee +9
Simulations of quantum chemistry and quantum materials are believed to be among the most important potential applications of quantum information processors, but realizing practical…