Southwest Quantum Information and Technology

Quantum algorithms for lattice phi^4 theory

Presenting Author: M. Sohaib Alam, NASA - Ames Research Center
Contributing Author(s): Andrew Hardy, Priyanka Mukhopadhyay, Layla Hormozi, Robert Konik, Eleanor Rieffel, Nathan Wiebe

Read this article online: (manuscript in preparation)

Efficient Quantum Algorithms for Testing Symmetry of Open Quantum Systems

Presenting Author: Rahul Bandyopadhyay, University of California, Davis
Contributing Author(s): Alex H. Rubin, Marina Radulaski, Mark M. Wilde

Read this article online: https://rlab.engineering.ucdavis.edu/preprints

Probing operator dynamics and scrambling through operator size distributions

Presenting Author: Philip Daniel Blocher, University of New Mexico CQuIC
Contributing Author(s): Karthik Chinni, Sivaprasad Omanakuttan, Pablo M. Poggi

Read this article online: https://doi.org/10.1103/PhysRevA.107.032418, https://doi.org/10.48550/arXiv.2305.16992

Resolving the Gravitational Redshift Within a Wannier-Stark Optical Lattice Clock

Presenting Author: Tobias Bothwell, National Institute of Standards and Technology, Boulder
Abstract

Performance of Robust, High-Order Dynamical Decoupling Sequences on Superconducting Quantum Hardware

Presenting Author: Amy Brown, University of Southern California
Contributing Author(s): Vinay Tripathi, Bram Evert, Alex Hill, Xian Wu, Yuan Shi, Yujin Cho, Max Porter, Vasily Geyko, Ilon Joseph, Jonathan Dubois, Eyob Sete, Matthew Reagor, Daniel Lidar

A unified graph-theoretic framework for free-fermion solvability

Presenting Author: Adrian Chapman, University of Oxford
Contributing Author(s): Samuel Elman, Ryan Mann

Read this article online: https://arxiv.org/abs/2305.15625

Beyond-classical quantum computing with superconducting circuits

Presenting Author: Yu Chen, Google
Abstract

Flexible but Robust: Advancing the Two-Qubit Gate on the Quantum Scientific Computing Open User Testbed (QSCOUT)

Presenting Author: Matthew Chow, Sandia National Laboratories
Contributing Author(s): Ashlyn D. Burch, Megan K. Ivory, Daniel Lobser, Melissa C. Revelle, Brandon P. Ruzic, Christopher G. Yale, Susan M. Clark

Read this article online: https://arxiv.org/abs/2210.02372, https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9483669

Optimization of key building blocks for quantum information processing with trapped ions

Presenting Author: Craig Clark, Georgia Tech Research Institute
Abstract

High temperature Gibbs state sampling via cluster expansions

Presenting Author: Jeffrey Cohn, IBM
Contributing Author(s): Norhan Eassa (Purdue University) Mahmoud Moustafa (Purdue University)

Quantum Science with Tweezer Arrays

Presenting Author: Manuel Endres, California Institute of Technology
Abstract

Time-bin entangled GHZ-state generation

Presenting Author: Leili Esmaeilifar, University of Calgary
Contributing Author(s): Ashutosh Singh, Pascal Lefebvre, and Daniel Oblak

Have we seen a demonstration of experimental quantum advantage?

Presenting Author: William Fefferman, University of Chicago
Abstract

Benchmarking a trapped-ion quantum computer with 29 algorithmic qubits

Presenting Author: John Gamble, IonQ
Contributing Author(s): Jwo-Sy Chen, Erik Nielsen, Matthew Ebert, Volkan Inlek, Kenneth Wright, Vandiver Chaplin, Andrii Maksymov, Eduardo Páez, Amrit Poudel, Peter Maunz

Read this article online: https://arxiv.org/abs/2308.05071

An atomic boson sampler

Presenting Author: Shawn Geller, National Institute of Standards and Technology, Boulder
Contributing Author(s): Aaron W. Young, William J. Eckner, Nathan Schine, Scott Glancy, Emanuel Knill, Adam M. Kaufman

Read this article online: https://arxiv.org/abs/2307.06936

Single-shot decoding of good quantum LDPC codes

Presenting Author: Shouzhen Gu, California Institute of Technology
Contributing Author(s): Eugene Tang, Libor Caha, Shin Ho Choe, Zhiyang He (Sunny), Aleksander Kubica

Read this article online: https://arxiv.org/abs/2306.12470

Measure and Forget Dynamics in Random Circuits

Presenting Author: Yucheng He, University of Southern California
Contributing Author(s): Todd A. Brun, Beni Yoshida

Read this article online: https://static1.squarespace.com/static/63ae26de55da425349c48257/t/64d3d1fe45ab3d34848a1212/1691603455508/Measure_and_Forget_Dynamics_in_Random_Circuits+%286%29.pdf, https://www.ychephy.com/research

Integrated photonic modulators and scalable ion traps for quantum computing

Presenting Author: Craig Hogle, Sandia National Laboratories
Contributing Author(s): C. W. Hogle1, D. Dominguez1, J. Goldberg1, J. D. Hunker1, R. J. Law1, A. Leenheer1, B. K. McFarland1, H. J. McGuinness1, B. P. Ruzic1, W. J. Setzer1, J. D. Sterk1, J.W. Van Der Wall1, M. Eichenfield1,2, D. Stick1 [1] Sandia National Laboratories, Albuquerque, NM [2] Wyant College of Optical Sciences, University of Arizona, Tucson, AZ

Hybrid Variational Classical-Quantum Computing: Ingredients to make it work

Presenting Author: Zoe Holmes, Ecole Polytechnique Federale de Lausanne
Abstract

Randomized benchmarking with mid-circuit measurements

Presenting Author: Daniel Hothem, Sandia National Laboratories
Contributing Author(s): Jordan Hines, Robin Blume-Kohout, Birgitta Whaley, Timothy Proctor

Accelerating Quantum Algorithms with Precomputation

Presenting Author: William J. Huggins, Google
Contributing Author(s): Jarrod R. McClean

Read this article online: https://arxiv.org/abs/2305.09638

Benchmarking Quantinuum’s second-generation quantum processor

Presenting Author: Jacob Johansen, Quantinuum
Contributing Author(s): Steven Moses, Charlie Baldwin, Michael Mills, Joan Dreiling, John Gaebler, Mary Rowe, Anthony Ransford, Sarah Campbell, Juan Pino

Read this article online: https://arxiv.org/abs/2305.03828

Optimized experiment design and analysis for fully randomized benchmarking

Presenting Author: Alex Kwiatkowski, National Institute of Standards and Technology, Boulder
Contributing Author(s): Scott Glancy, Emanuel Knill

Towards networks of quantum processors

Presenting Author: Benjamin Lanyon, University of Innsbruck
Abstract

The platypus of the quantum channel zoo

Presenting Author: Debbie Leung, University of Waterloo
Abstract

State control and vibrational spectroscopy of a single molecular ion

Presenting Author: Yu Liu, National Institute of Standards and Technology, Boulder
Contributing Author(s): Zhimin Liu, April Reisenfeld, Julian Schmidt, Peter Chang, David Leibrandt, Scott Diddams, Dietrich Leibfried, Chin-wen Chou

Quantum state tomography: a machine learning perspective

Presenting Author: Sanjaya Lohani, University of Illinois Chicago
Contributing Author(s): Joseph M Lukens, Atiyya A Davis, Amirali Khannejad, Sangita Regmi, Daniel E Jones, Ryan T Glasser, Brian T Kirby, Thomas A Searles

Read this article online: https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.3.043145, https://iopscience.iop.org/article/10.1088/2632-2153/ac9036/meta

Towards a fieldable optical atomic clock using surface ion traps with integrated optical components

Presenting Author: Hayden McGuinness, Sandia National Laboratories
Contributing Author(s): Joonhyuk Kwon, William. J. Setzer, Megan Ivory, Michael Gehl, Nicholas Karl, Nicholas Boynton, Raymond Haltli, Eric Ou, Peter Schwindt, Dan L. Stick

Controlling trapped-ion motional modes for precision measurement*

Presenting Author: Jeremy Metzner, University of Oregon
Contributing Author(s): Alex Quinn, Sean Brudney, Shaun Burd, Dave Wineland, David Allcock

Macrostates versus Microstates in the Classical Simulation of Critical Phenomena in Quench Dynamics of 1D Ising Models

Presenting Author: Anupam Mitra, University of New Mexico CQuIC
Contributing Author(s): Tameem Albash, Philip Daniel Blocher, Jun Takahashi, Akimasa Miyake, Grant W. Biedermann, Ivan H. Deutsch

Random quantum circuits on arbitrary architectures generate unitary designs

Presenting Author: Shivan Mittal, University of Texas, Austin
Contributing Author(s): Nicholas Hunter-Jones

Unveiling Quantum Complexity: Exploring Quantum Cellular Automata Dynamics and Network Measures

Presenting Author: Pratik Patnaik, Colorado School of Mines
Contributing Author(s): Logan E. Hillberry, Matthew Jones, Lincoln D. Carr

Short-Depth QAOA circuits and Quantum Annealing on Higher-Order Ising Models

Presenting Author: Elijah Pelofske, Los Alamos National Laboratory
Contributing Author(s): Andreas Bärtschi, Stephan Eidenbenz

Read this article online: https://arxiv.org/abs/2301.00520, https://link.springer.com/chapter/10.1007/978-3-031-32041-5_13

Scalable Quantum Nanophotonics: From Nanofabrication to Quantum Circuit Mapping

Presenting Author: Marina Radulaski, University of California Davis
Abstract

Calculating the Correlation Energy in the Contextual Subspace

Presenting Author: Alexis Ralli, Tufts University
Contributing Author(s): Tim Weaving, William M Kirby, Andrew Tranter, Sauro Succi, Peter V Coveney, Peter J Love

Read this article online: https://journals.aps.org/prresearch/abstract/10.1103/PhysRevResearch.5.013095, https://arxiv.org/abs/2303.00445

Dephasing in fluxonium qubits from coherent quantum phase slips

Presenting Author: Mallika Randeria, Lincoln Laboratory, Massachusetts Institute of Technology
Contributing Author(s): Thomas Hazard, Agustin Di Paolo, Kate Azar, Max Hays, Leon Ding, Junyoung An, Ilan Rosen, Michael Gingras, Bethany M. Niedzielski, Hannah Stickler, Jeffrey Grover, Jonilyn Yoder, Mollie E. Schwartz, William D Oliver, Kyle Serniak

Automated detection of symmetry-protected subspaces in quantum simulations

Presenting Author: Caleb Rotello, National Renewable Energy Laboratory
Contributing Author(s): Eric Jones, Peter Graf, Eliot Kapit

Read this article online: https://arxiv.org/abs/2302.08586, https://journals.aps.org/prresearch/accepted/e9072D42Oeb1a003b0298a26a11ef0f5f072ad19d

All-photonic multiplexed quantum repeaters based on concatenated bosonic and discrete-variable quantum codes

Presenting Author: Filip Rozpedek, University of Massachusetts
Contributing Author(s): Kaushik P. Seshadreesan, Paul Polakos, Liang Jiang, Saikat Guha

Read this article online: https://arxiv.org/abs/2303.14923

Quantum computation of stopping power for inertial fusion target design

Presenting Author: Nicholas Rubin, Google
Contributing Author(s): Dominic W. Berry, Alina Kononov, Fionn D. Malone, Tanuj Khattar, Alec White, Joonho Lee, Hartmut Neven, Ryan Babbush, Andrew D. Baczewski

Quantum computing with neutral atom nuclear-spin qubits

Presenting Author: Albert Ryou, Atom Computing
Contributing Author(s): Atom Computing

Read this article online: https://arxiv.org/abs/2305.19119

The impact of microwave phase noise on diamond quantum sensing

Presenting Author: Maziar Saleh Ziabari, University of New Mexico CHTM
Contributing Author(s): Andris Berzins, Janis Smits, Yaser Silani, Ilja Fescenko, Joshua T. Damron, Andrey Jarmola, Pauli Kehayias, Bryan Richards, Victor Acosta

A brief prehistory of qubits

Presenting Author: Benjamin Schumacher, Kenyon College
Abstract

Improved precision scaling for simulating coupled quantum-classical dynamics

Presenting Author: Sophia Simon, Other
Contributing Author(s): Raffaele Santagati, Matthias Degroote, Nikolaj Moll, Michael Streif, Nathan Wiebe

Read this article online: https://arxiv.org/abs/2307.13033

Observation of anisotropic superfluid density in an artificial crystal

Presenting Author: Junheng Tao, University of Maryland Joint Quantum Institute
Contributing Author(s): Mingshu Zhao, Ian Spielman

Read this article online: https://journals.aps.org/prl/accepted/01076Y0cM1719078f6a809d79b393979633d02afb

Error suppression in a two-level system from non-Markovian environmental phase noise using light shifts

Presenting Author: Jason Twamley, Okinawa Institute of Science and Technology
Contributing Author(s): Fernando Quijandria, Anshuman Nayak

Read this article online: https://arxiv.org/pdf/2302.03827.pdf

Finding a qubit in a haystack: identifying the best superconducting qubits by enumerating all possibilities

Presenting Author: Eli Weissler, University of Colorado
Contributing Author(s): Zhenxing Liu, Mohit Bhat, Josh Combes

Exponential quantum speedup in simulating coupled classical oscillators

Presenting Author: Nathan Wiebe, University of Toronto
Abstract

Read this article online: https://arxiv.org/abs/2303.13012

Applications of 3D printing technology in ion traps

Presenting Author: Shuqi Xu, University of California Berkeley
Contributing Author(s): Xiaoxing Xia, Qian Yu, Sumanta Khan, Eli Megidish, Bingran You, Boerge Hemmerling, Juergen Biener, Hartmut Häffner

Group-theoretic error mitigation enabled by classical shadows and symmetries

Presenting Author: Andrew Zhao, University of New Mexico CQuIC
Contributing Author(s): Akimasa Miyake

Experimental observation of symmetry-protected signatures of N-body interactions

Presenting Author: Liudmila Zhukas, Duke University
Contributing Author(s): Or Katz, Qingfeng Wang, Marko Cetina, Iman Marvian, Christopher Monroe

Simulating quantum computation with magic states: how many "bits" for "it"?

Presenting Author: Michael Zurel, University of British Columbia
Contributing Author(s): Cihan Okay, Robert Raussendorf

Read this article online: https://arxiv.org/pdf/2305.17287.pdf