Quantum Advantage
Random circuit sampling and benchmarking
Shallow all-to-all random circuits and sample-efficient benchmarks for near-term quantum processors.
Publications
Papers, preprints, and proceedings.
Research output from the Bentsen Quantum Information Science group and collaborators.
Archive
Publication areas.
BQIS publications span quantum advantage, Brownian circuits, precision metrology, scrambling, and quantum error correction.
Precision Metrology
Axis-agnostic sensing protocols
Brownian spin dynamics and butterfly echo protocols for Heisenberg-limited metrology.
Fault Tolerance
Random circuit codes
Quantum memories, low-depth random circuit codes, and decoding algorithms.
Selected Work
Publications.
Links point to DOI records where available, including arXiv DOI records for preprints.
Recent BQIS Publications and Preprints
Recent group publications, proceedings, and preprints from the current BQIS group.
Sample-efficient benchmarking of shallow all-to-all random quantum circuits
Gregory Bentsen, Bill Fefferman, Soumik Ghosh, Michael J. Gullans, Yinchen Liu. arXiv:2605.22909.
Brownian spin dynamics for axis-agnostic precision metrology
Jasmine Albert, Gregory Bentsen. Proceedings of SPIE 13920, Quantum Sensing, Imaging, and Precision Metrology IV.
3-body interactions in Brownian circuits for randomized benchmarking
Gregory Bentsen. Proceedings of SPIE 13914, Optical Sensing and Precision Metrology II.
Butterfly Echo Protocol for Axis-Agnostic Heisenberg-Limited Metrology
Jacob Bringewatt, Leon Zaporski, Matthew Radzihovsky, Jasmine Albert, Alexey V. Gorshkov, Vladan Vuletic, Gregory Bentsen. arXiv:2602.23332.
Fault-tolerant quantum memory using low-depth random circuit codes
Jon Nelson, Gregory Bentsen, Steven Flammia, Michael Gullans. Physical Review Research 7, 013040.
Prior Publications
Selected publications prior to the current BQIS group.
On the complexity of sampling from shallow Brownian circuits
Gregory S. Bentsen, Bill Fefferman, Soumik Ghosh, Michael J. Gullans, Yinchen Liu. arXiv:2411.04169.
Approximate Quantum Codes From Long Wormholes
Gregory S. Bentsen, Phuc Nguyen, Brian Swingle. Quantum 8, 1439.
Onset of Scrambling as a Dynamical Transition in Tunable-Range Quantum Circuits
Sridevi Kuriyattil, Tomohiro Hashizume, Gregory S. Bentsen, Andrew J. Daley. PRX Quantum 4, 030325.
Linear Growth of Circuit Complexity from Brownian Dynamics
Shao-Kai Jian, Gregory S. Bentsen, Brian Swingle. Journal of High Energy Physics 2023, 190.
Holographic measurement and bulk teleportation
Stefano Antonini, Gregory S. Bentsen, ChunJun Cao, Jonathan Harper, Shao-Kai Jian, Brian Swingle. Journal of High Energy Physics 2022, 124.
Entanglement phases in large-N hybrid Brownian circuits with long-range couplings
Subhayan Sahu, Shao-Kai Jian, Gregory S. Bentsen, Brian Swingle. Physical Review B 106, 224305.
Tunable Geometries in Sparse Clifford Circuits
Tomohiro Hashizume, Sridevi Kuriyattil, Andrew J. Daley, Gregory S. Bentsen. Symmetry 14(4), 666.
Measurement-induced phase transitions in sparse nonlocal scramblers
Tomohiro Hashizume, Gregory S. Bentsen, Andrew J. Daley. Physical Review Research 4, 013174.
Entanglement dynamics in spin chains with structured long-range interactions
Gregory S. Bentsen, Andrew J. Daley, Johannes Schachenmayer. In Entanglement in Spin Chains: From Theory to Quantum Technology Applications, Springer.
Measurement-induced purification in large-N hybrid Brownian circuits
Gregory S. Bentsen, Subhayan Sahu, Brian Swingle. Physical Review B 104, 094304.
Deterministic Fast Scrambling with Neutral Atom Arrays
Tomohiro Hashizume, Gregory S. Bentsen, Sebastian Weber, Andrew J. Daley. Physical Review Letters 126, 200603.
Protecting Spin Coherence in a Tunable Heisenberg Model
Emily J. Davis, Avikar Periwal, Eric S. Cooper, Gregory S. Bentsen, Simon J. Evered, Katherine Van Kirk, Monika H. Schleier-Smith. Physical Review Letters 125, 060402.
Tunable geometries from a sparse quantum spin network
Gregory S. Bentsen, Tomohiro Hashizume, Emily J. Davis, Anton S. Buyskikh, Monika H. Schleier-Smith, Andrew J. Daley. Proceedings of SPIE 11296, 112963W.
Integrable and chaotic dynamics of spins coupled to an optical cavity
Gregory S. Bentsen, Ionut-Dragos Potirniche, Vir B. Bulchandani, Thomas Scaffidi, Xiangyu Cao, Xiao-Liang Qi, Monika Schleier-Smith, Ehud Altman. Physical Review X 9, 041011.
Treelike interactions and fast scrambling with cold atoms
Gregory S. Bentsen, Tomohiro Hashizume, Anton S. Buyskikh, Emily J. Davis, Andrew J. Daley, Steven S. Gubser, Monika Schleier-Smith. Physical Review Letters 123, 130601.
Photon-mediated spin-exchange dynamics of spin-1 atoms
Emily J. Davis, Gregory S. Bentsen, Lukas Homeier, Tracy Li, Monika H. Schleier-Smith. Physical Review Letters 122, 010405.
Fast scrambling on sparse graphs
Gregory S. Bentsen, Yingfei Gu, Andrew Lucas. Proceedings of the National Academy of Sciences 116(14), 6689-6694.
Photon-mediated spin mixing dynamics
Gregory S. Bentsen, Emily J. Davis, Lukas Homeier, Avikar Periwal, Eric Cooper, Katherine Van Kirk, Monika H. Schleier-Smith. Proceedings of SPIE 10934, 109342P.
One- and two-axis squeezing of atomic ensembles in optical cavities
Johannes Borregaard, Emily J. Davis, Gregory S. Bentsen, Monika H. Schleier-Smith, Anders S. Sorensen. New Journal of Physics 19, 093021.
Advantages of interaction-based readout for quantum sensing
Emily J. Davis, Gregory S. Bentsen, Tracy Li, Monika Schleier-Smith. Proceedings of SPIE 10118, 101180Z.
Measuring the scrambling of quantum information
Brian Swingle, Gregory S. Bentsen, Monika Schleier-Smith, Patrick Hayden. Physical Review A 94, 040302.
Approaching the Heisenberg limit without single-particle detection
Emily J. Davis, Gregory S. Bentsen, Monika Schleier-Smith. Physical Review Letters 116, 053601.