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QApps publications


“Many Body Thermodynamics on Quantum Computers via Partition Function Zeros,” Akhil Francis, D. Zhu, C. Huerta Alderete, Sonika Johri, Xiao Xiao, J. K. Freericks, C. Monroe, N. M. Linke, A. F. Kemper, arXiv:2009.04648 (2020)

“Resource-Optimized Fermionic Local-Hamiltonian Simulation on Quantum Computer for Quantum Chemistry,” Q. Wang, M. Li, C. Monroe, Y. Nam, arXiv:2004.04151 (2020)

“Probing many-body localization on a noisy quantum computer,” D. Zhu, S. Johri, N. H. Nguyen, C. Huerta Alderete, K. A. Landsman, N. M. Linke, C. Monroe and A. Y. Matsuura, arXiv: 2006.12355 (2020)

“Universal one-dimensional discrete-time quantum walks and their implementation on near term quantum hardware,” S. Singh, C. H. Alderete, R. Balu, C. Monroe, N. M. Linke,  and C. M. Chandrashekar, arXiv: 2001.11197 (2020)

Ground-state energy estimation of the water molecule on a trapped-ion quantum computer.” Y Nam, JS Chen, NC Pisenti, K Wright, C Delaney, D Maslov, KR Brown, S Allen, JM Amini, J Apisdorf et al. Npj Quantum Information 6, no. 1 (2020)

Real-time calibration with spectator qubits, S. Majumder, L.A. de Castro, and K.R. Brown,  npj Quantum Inf. 6, 19 (2020)

“Quantum walks and Dirac cellular automata on a programmable trapped-ion quantum computer,” C. H. Alderete, S. Singh, N. Nguyen, D. Zhu, R. Balu, C. Monroe, C. M. Chandrashekar, and N. M. Linke, Nature Commununications 11, 3720 (2020)

Quantum Approximate Optimization with a Trapped-Ion Quantum Simulator,” G. Pagano, A. Bapat, P. Becker, K. S. Collins, A. De, P. W. Hess, H. B. Kaplan, A. Kyprianidis, W. L. Tan, C. Baldwin, L. T. Brady, A. Deshpande, F. Liu, S. Jordan, A. V. Gorshkov, C. Monroe,  Proc. Natl. Acad. Sci. 117, 25396 (2020)

Variational Generation of Thermofield Double States and Critical Ground States with a Quantum Computer,” D. Zhu, S. Johri, N. M. Linke, K. A. Landsman, N. H. Nguyen, C. H. Alderete, A. Y. Matsuura, T. H. Hsieh, C. Monroe, Proc. Natl. Acad. Sci. (2020)

Many-Body Dephasing in a Trapped-Ion Quantum Simulator,” H. B. Kaplan, L. Guo, W. L. Tan, A. De, F. Marquardt, G. Pagano, and C. Monroe, Phys. Rev. Lett. 125, 120605 (2020)

Discrete Time Crystals,” D. V.  Else, C. Monroe, C. Nayak, and N. Y. Yao, Annual Review of Condensed Matter Physics 11, 467-499 (2020)

Towards analog quantum simulations of lattice gauge theories with trapped ions,” Z. Davoudi, M., C. Monroe, G. Pagano, A. Seif, and A. Shaw, Phys. 2020Rev. Res., 023015 (2020)


“Observation of Domain Wall Confinement and Dynamics in a Quantum Simulator,” W. L. Tan, P. Becker, F. Liu, G. Pagano, K. S. Collins, A. De, L. Feng, H. B. Kaplan, A. Kyprianidis, R. Lundgren, W. Morong, S. Whitsitt, A. V. Gorshkov, C. Monroe, arXiv: 1912.11117 (2019).

“Noise reduction using past causal cones in variational quantum algorithms,” Omar Shehab, Isaac H. Kim, Nhung H. Nguyen, Kevin Landsman, Cinthia H. Alderete, Daiwei Zhu, C. Monroe, Norbert M. Linke, arXiv: 1906.00476 (2019).

Benchmarking an 11-qubit quantum computer,” K. Wright, et al., Nature Communications 10, 5464 (2019).

Toward convergence of effective field theory simulations on digital quantum computers,” O. Shehab, K. A. Landsman, Y. Nam, D. Zhu, N. M. Linke, M. J. Keesan, R. C. Pooser, and C. Monroe, Phys. Rev. A 100, 062319 (2019).

Heisenberg-Scaling Measurement Protocol for Analytic Functions with Quantum Sensor Networks,” K. Qian, Z. Eldredge, W. Ge, G. Pagano, C. Monroe, J. V. Porto, and A. V. Gorshkov, Phys. Rev. A 100, 042304 (2019).

Training of Quantum Circuits on a Hybrid Quantum Computer, D. Zhu, N. M. Linke, M. Benedetti, K. A. Landsman, N. H. Nguyen, C. H. Alderete, A. Perdomo-Ortiz, N. Korda, A. Garfoot, C. Brecque, L. Egan, O. Perdomo, and C. Monroe, Science Advances 5, eaaw9918 (2019).

Verified Quantum Information Scrambling,” K. A Landsman, C. Figgatt, T. Schuster, N. M. Linke, B. Yoshida, N. Y. Yao, C. Monroe, Nature 567, 61 (2019); [News and Views]; arXiv: 1806.02807.

Confined Quasiparticle Dynamics in Long-Range Interacting Quantum Spin Chains,” F. Liu, R. Lundgren, P. Titum, G. Pagano, J. Zhang, C. Monroe, and A. V. Gorshkov, Phys. Rev. Lett. 122, 150601 (2019).

Alibaba Cloud Quantum Development Platform: Large-Scale Classical Simulation of Quantum Circuits, F. Zhang, C. Huang, M. Newman, J. Cai, H. Yu, Z. Tian, B. Yuan, H. Xu, J. Wu, X. Gao, J. Chen, M. Szegedy, and Y. Shi, arXiv:1907.11217

Explicit lower bounds on strong simulation of quantum circuits in terms of T-gate count, C. Huang, M. Newman, and M. Szegedy, arXiv:1902.04764


Measuring the Renyi entropy of a two-site Fermi-Hubbard model on a trapped ion quantum computer,” N. M. Linke, S. Johri, C. Figgatt, K. A. Landsman, A. Y. Matsuura, and C. Monroe, Phys. Rev. A 98, 052334 (2018)

Demonstration of a Bayesian Quantum Game on an Ion Trap Quantum Computer,” N. Solmeyer, N. M. Linke, C. Figgatt, K. A. Landsman, R. Balu, G. Siopsis, C. Monroe, Quantum Sci. Tech. 3, 045002 (2018)

Observation of Hopping and Blockade of Bosons in a Trapped Ion Spin Chain,” S. Debnath, N. M. Linke, S.-T. Wang, C. Figgatt, K. A. Landsman, L.-M. Duan, and C. Monroe, Phys. Rev. Lett. 120, 073001 (2018)

Quantum majorization and a complete set of entropic conditions for quantum thermodynamics”, G. Gour, D. Jennings, F. Buscemi, R. Duan, I. Marvian, Nature Communications 9, 5352 (2018)

Quantum singular-value decomposition of non- sparse low-rank matrices”, P. Rebentrost, A. Steffens, I. Marvian, S. Lloyd, Phys. Rev. A 97, 012327 (2018)


Observation of a Many-Body Dynamical Phase Transition in a 53-Qubit Quantum Simulator,” J. Zhang, G. Pagano, P. W. Hess, A. Kyprianidis, P. Becker, H. B. Kaplan, A. V. Gorshkov, Z.-X. Gong, and C. Monroe, Nature 551, 601 (2017).

Non-thermalization in trapped atomic ion spin chains,” P. W. Hess, P. Becker, H. B. Kaplan, A. Kyprianidis, A. C. Lee, B. Neyenhuis, G. Pagano, P. Richerme, C. Senko, J. Smith, W. L. Tan, J. Zhang, C. Monroe, Phil. Trans. Roy. Soc. A 375, 20170107 (2017).

Complete 3-Qubit Grover Search on a Programmable Quantum Computer,” C. Figgatt, D. Maslov, K. A. Landsman, N. M. Linke, S. Debnath, and C. Monroe, Nature Comm. 8, 1918 (2017)Nature cover

Experimental Comparison of Two Quantum Computing Architectures,” N. M. Linke, D. Maslov, M. Roetteler, S. Debnath, C. Figgatt, K. A. Landsman, K. Wright, C. Monroe, Proc. Natl. Acad. Sci. 114, 13 (2017).

Observation of a Discrete Time Crystal,” J. Zhang, P.W. Hess, A. Kyprianidis, P. Becker, A. Lee, J. Smith, G. Pagano, I.-D. Potirniche, A.C. Potter, A. Vishwanath, N.Y. Yao, C. Monroe, Nature 543, 217 (2017).   [News and Views]

Observation of Prethermalization in Long-Range Interacting Spin Chains,” B. Neyenhuis, J. Smith, A. C. Lee, J. Zhang, P. Richerme, P. W. Hess, Z.-X. Gong, A. V. Gorshkov, and C. Monroe, Science Advances 3, e1700672 (2017). [Supplementary Information]


Demonstration of a Small Programmable Quantum Computer with Atomic Qubits,” S. Debnath, N. M. Linke, C. Figgatt, K. A. Landsman, K. Wright, and C. Monroe, Nature 536, 63 (2016)

Nature cover

Many-body Localization in a Quantum Simulator with Programmable Random Disorder,” J. Smith, A. Lee, P. Richerme, B. Neyenhuis, P. W. Hess, P. Hauke, M. Heyl, D. A. Huse, and C. Monroe, Nature Physics 12, 907 (2016).   [News and Views]

Transport implementation of the Bernstein-Vazirani algorithm with ion qubits, S.D. Fallek, C.D. Herold, B.J. McMahon, K.M. Maller, K.R. Brown and J.M. Amini, New. J. Phys. 18, 083030 (2016)

Kaleidoscope of quantum phases in a long-range interacting spin-1 chain,” Z.-X. Gong, M. F. Maghrebi, A. Hu, M. Foss-Feig, P. Richerme, C. Monroe, and A. V. Gorshkov, Phys. Rev. B 93, 205115 (2016)

“Universal Quantum Emulator”, I. Marvian and S. Lloyd,  arXiv:1606.02734

“From clocks to cloners: Catalytic transformations under covariant operations and recoverability”, I. Marvian and S. Lloyd, arXiv:1608.07325

“Exponential suppression of decoherence and relaxation of quantum systems using energy penalty”, I. Marvian,  arXiv:1602.03251