QCodes publications

2020

Fault-Tolerant Operation of a Quantum Error-Correction Code,” L. N. Egan, D. M. Debroy, C. Noel, A. Risinger, D. Zhu, D. Biswas, M. Newman, M. Li, K. R. Brown, M. Cetina, and C. Monroe, arXiv:2009.11482 (2020).

Extended flag gadgets for low-overhead circuit verification, D.M. Debroy and K.R. Brown, Phys. Rev. A 102, 052409 (2020) arXiv:2009.07752

Fault-tolerant weighted Union-Find decoding on the toric code, S. Huang, M. Newman, and K.R. Brown, Phys. Rev. A 102, 012419 (2020) arXiv:2004.04693

“Locality and Conservation Laws:  How, in the presence of symmetry, locality restricts realizable unitaries”, I. Marvian,  arXiv:2003.05524 (2020)

“Inaccessible information in probabilistic models of quantum systems, non-contextuality inequalities and noise thresholds for contextuality”, I. Marvian,  arXiv:2003.05984 (2020)

Resource-efficient quantum computing by breaking abstractions, Y. Shi, P. Gokhale, P. Murali, J. M. Baker, C. Duckering, Y. Ding, N. C. Brown, C. Chamberland, A. Javadi-Abhari, A.W. Cross, D.I. Schuster, K.R. Brown, M. Martonosi and F.T. Chong, Proc. IEEE  108, 1353  (2020)

Generating fault-tolerant cluster states from crystal structures, M. Newman, L.A. de Castro, and K.R. Brown, Quantum 4, 295 (2020)  arXiv:1909.11817

Logical performance of 9 qubit compass codes in ion traps with crosstalk errors, D.M. Debroy, M. Li, S. Huang, and K.R. Brown, Quantum Sci. Technol. 5, 034002 (2020)

Fault-tolerant compass codes, S. Huang and K.R. Brown, Phys. Rev. A 101, 042312 (2020)

“Minimizing the Number of Detrimental Objects in Multi-Dimensional Graph-Based Codes”, A. Hareedy, R. Kuditipudi, and R. Calderbank, IEEE Trans. Comm. 68, 5299 (2020)

“LOCO codes: Lexicographically ordered constrained codes,” A. Hareedy and R. Calderbank, IEEE Trans. Inf. Theory 66, 3572 (2020)

“CHIRRUP A practical algorithm for unsourced multiple access,” R. Calderbank and A. Thompson,  Information and Inference: A Journal of the IMA 9, 875 (2020)

“Un-Weyl-ing the Clifford hierarchy,” T. Pllaha, N. Rengaswamy, O. Tirkonnen and R. Calderbank, Quantum 4, 370 (2020)

“Logical Clifford Synthesis for Stabilizer Codes,” N. Rengaswamy, R. Calderbank, S. Kadhe and H. D. Pfister, IEEE Transactions on Quantum Engineering 1, 2501217 (2020) Software available at https://github.com/nrenga/symplectic-arxiv18a

“On Optimality of CSS Codes for Transversal T,” N. Rengaswamy, R. Calderbank, M. Newman and H. D. Pfister, IEEE Journal on Selected Areas in Information Theory, 1, 499 (2020)

“Kerdock Codes Determine Unitary 2-Designs,” T. Can, N. Rengaswamy, R. Calderbank and H. D. Pfister, IEEE Trans. Inf. Theory 66, 6104 (2020)

2019

“Unifying the Clifford hierarchy via symmetric matrices over rings,” N. Rengaswamy, R. Calderbank, and H. D. Pfister, Phys. Rev. A 100, 022304 (2019)

On Optimality of CSS Codes for Transversal T, Narayanan Rengaswamy, Robert Calderbank, Michael Newman, Henry D. Pfister, arXiv:1910.09333 (2019)

Leakage mitigation for quantum error correction using a mixed qubit scheme, N.C. Brown and K.R. Brown, Phys. Rev. A 100, 032325 (2019)

Handling leakage with subsystem codes, N.C. Brown, M. Newman, and K.R. Brown, New J. Phys. 21, 073055(2019)

2D Compass Codes, M Li, D Miller, M Newman, Y Wu, KR Brown, Phys. Rev. X 9, 021041 (2019)

Controlling error orientation to improve quantum algorithm success rates, D.C. Murphy and K.R. Brown, Phys. Rev. A 99, 032318 (2019)

Entropic Energy-Time Uncertainty Relation” P. J. Coles, V. Katariya, S. Lloyd, I. Marvian, M.M. Wilde, Phys. Rev. Lett. 122, 100401 (2019)

2018

Machine Learning Assisted Readout of Trapped Ion Qubits,” A. Seif, K. A. Landsman, N. M. Linke, C. Figgatt, C. Monroe, and M. Hafezi, J. Phys. B: At. Mol. Opt. Phys. 51 174006 (2018)

Securing quantum key distribution systems using fewer states.” NT Islam, CCW Lim, C Cahall, J Kim, and DJ Gauthier. Physical Review A 97, no. 4 (2018)

Stabilizer slicing: Coherent error cancellations in low-density parity-check stabilizer codes, D.M. Debroy, M. Li, M. Newman, and K.R. Brown, Phys. Rev. Lett. 121, 250502 (2018)

Direct measurement of Bacon-Shor code stabilizers, M. Li, D. Miller, and K.R. Brown, Phys. Rev. A 98, 050301(R) (2018)

Quantum error correction decoheres noise, S.J. Beale, J.J. Wallman, M. Gutierrez, K.R. Brown, and R. Laflamme, Phys. Rev. Lett. 121, 190501 (2018)

Comparing Zeeman qubits to hyperfine qubits in the context of the surface code: 174Yb+ and 171Yb+, N.C. Brown and K.R. Brown, Phys. Rev. A 97, 052301 (2018)

Simulating the performance of a distance-3 surface code in a linear ion trap, C.J. Trout, M. Li, M. Gutierrez, Y. Wu, S.-T. Wang, L. Duan, and K.R Brown, New J. Phys. 20, 043038 (2018)

No-Broadcasting Theorem for Quantum Asymmetry and Coherence and a Trade-off Relation for Approximate Broadcasting”, I. Marvian and R. W. Spekkens, , Phys. Rev. Lett. 123, 020404 (2019)

2017

Fault-Tolerant Quantum Error Detection,” N. M. Linke, M. Gutierrez, K. A. Landsman, C. Figgatt, S. Debnath, K. R. Brown, and C. Monroe, Science Advances, 3, e1701074 (2017)

Fault tolerance with bare ancillae for a [[7,1,3]] code, M. Li, M. Gutierrez, S.E. David, A. Hernandez, and  K. R. Brown, Phys. Rev. A 96, 032341 (2017)

Symmetry-Protected Topological Entanglement”, I. Marvian,  Phys. Rev. B,  95, 045111 (2017). 

“An efficient quantum algorithm for spectral estimation”,  A. Steffens, P. Rebentrost, I. Marvian, J. Eisert, S. Lloyd,  New J. Phys. 19 (3), 033005 (2017)

“When is a bit worth much more than kT ln 2 ?”, C. Gokler, A. Kolchinsky, Z. Liu, I. Marvian, P. Shor, O. Shtanko, K. Thompson, D. Wolpert, S. Lloyd,  arXiv:1705.09598

Symmetry-Protected Topological Entanglement”, I. Marvian,  Phys. Rev. B,  95, 045111 (2017). 

“An efficient quantum algorithm for spectral estimation”,  A. Steffens, P. Rebentrost, I. Marvian, J. Eisert, S. Lloyd,  New J. Phys. 19 (3), 033005 (2017)

“Maximizing free energy gain”, A. Kolchinsky, I. Marvian, C. Gokler, , Z. Liu, , P. Shor, O. Shtanko, K. Thompson, D. Wolpert,  S. Lloyd,  arXiv:1705.00041

2016

Errors and pseudothresholds for incoherent and coherent noise, M. Gutierrez, C. Smith, L. Lulushi, S. Janardan, and K. R. Brown, Phys. Rev. A 94, 042338 (2016)

Analytical error analysis of Clifford gates by the fault-path tracer method, S. Janardan, Y. Tomita, M. Gutierrez, and K. R. Brown, Quantum Info. Process. 15, 3065 (2016)

Overcoming lossy channel bounds using a single quantum repeater node.” D Luong, L Jiang, J Kim, and N Lütkenhaus, Applied Physics B 122, no. 4 (2016)

Overcoming lossy channel bounds using a single quantum repeater node.” D Luong, L Jiang, J Kim, and N Lütkenhaus, Applied Physics B 122, no. 4 (2016)

Role of syndrome information on a one-way quantum repeater using teleportation-based error correction.” R Namiki, L Jiang, J Kim, and N Lütkenhaus. Physical Review A 94, no. 5 (2016)

How to quantify coherence: Distinguishing speakable and unspeakable notions”, I. Marvian and R. W. Spekkens,  Phys. Rev. A 94, 052324 (2016)

Quantum speed limits, coherence and asymmetry”, I. Marvian, R. W. Spekkens, and Paolo Zanardi, Phys. Rev. A 93, 052331 (2016)