Tom O'Brien
Universitair docent
- Naam
- Dr. T.E. O'Brien
- Telefoon
- +31 71 527 5568
- obrien@lorentz.leidenuniv.nl
Universitair docent
- Wiskunde en Natuurwetenschappen
- Leiden Instituut Onderzoek Natuurkunde
- LION - Theoretical Physics
- O'Brien T.E., Anselmetti G., Gkritsis F., Elfving V.E. Polla S. & Huggins W.J. (2023), Purification-based quantum error mitigation of pair-correlated electron simulations, Nature Physics 19: 1787–1792.
- Bonet-Monroig X., Wang H., Vermetten D.L., Senjean B., Moussa C., Bäck T.H.W., Dunjko V. & O'Brien T.E. (2023), Performance comparison of optimization methods on variational quantum algorithms, Physical Review A 107(3): 032407.
- Polla S., Anselmetti G.R. & O'Brien T.E. (2023), Optimizing the information extracted by a single qubit measurement, Physical Review A 108(1): 012403.
- Dutkiewicz A., Terhal B.M. & O'Brien T.E. (2022), Heisenberg-limited quantum phase estimation of multiple eigenvalues with few control qubits, Quantum 6: 830.
- Pollo S., Herasymenko Y. & O'Brien T.E. (2021), Quantum digital cooling, Physical Review A 104(1): 012414.
- O'Brien T.E., Polla S., Rubin N.C., Huggins W.J., McArdle S., Boixo S., McClean J.R. & Babbush R. (2021), Error mitigation via verified phase estimation, PRX Quantum 2: 020317.
- Yalouz S., Senjean B., Günther J., Buda F., O'Brien T.E. & Visscher L. (2021), A state-averaged orbital-optimized hybrid quantum–classical algorithm for a democratic description of ground and excited states, Quantum Science and Technology 6(2): 024004.
- Koridon E., Yalouz S., Senjean B., Buda F., O’Brien T. E. & Visscher L. (2021), Orbital transformations to reduce the 1-norm of the electronic structure Hamiltonian for quantum computing applications, Physical Review Research 3(3): 033127.
- Huggins W.J., McArdle S., O'Brien T.E., Lee J., Rubin N.C., Boixo S., Whaley K.B., Babbush R. & McClean J.R. (2021), Virtual distillation for quantum error mitigation, Physical Review X 11(4): 041036.
- McClean J.R., Rubin N.C., Sung K.J., Kivlichan I.D, Bonet-Monroig X., CaoY., Dai C., Schuyler F.E., Gidney C., Gimby B., Gokhale P., Häner T., Hardikar T., Havlíček V., Higgott O., Huang C., Izaac J., Jiang Z., Liu X., McArdle S., Neeley M., O'Brien T.E., O'Gorman B., Ozfidan I., Radin M.D., Romero J., Sawaya N.P.D., Senjean B., Setia K., Sim S., Steiger D.S., Steudtner M., Sun Q., Sun W., Wang D.C., Zhang F. & Babbush R. (2020), OpenFermion: the electronic structure package for quantum computers, Quantum Science and Technology 5: 034014.
- Bonet-Monroig X., Babbush R. & O’Brien T.E. (2020), Nearly Optimal Measurement Scheduling for Partial Tomography of Quantum States, Physical Review X 10(3): 031064.
- Bultink C.C., O’Brien T.E., Vollmer R., Muthusubramanian N., Beekman M.W., Rol M.A., Fu X., Tarasinski B.M., Ostroukh V., Varbanov B., Bruno A. & DiCarlo L. (2020), Protecting quantum entanglement from leakage and qubit errors via repetitive parity measurements, Science Advances 6(12): eaay3050.
- O'Brien T.E., Senjean B., Sagastizabal R., Bonet-Monroig X., Dutkiewicz A., Buda F., DiCarlo L. & Visscher L. (2019), Calculating energy derivatives for quantum chemistry on a quantum computer, npj Quantum Information 5: 113.
- Sagastizabal R., Bonet-Monroig X., Singh M., Rol M.A., Bultink C.C., Fu X., Price C.H., Ostroukh V.P., Muthusubramanian N., Bruno A., Beekman M., Haider N., O'Brien T.E. & DiCarlo L. (2019), Experimental error mitigation via symmetry verification in a variational quantum eigensolver, Physical Review A 100(1): 010302.
- O'Brien T.E., Tarasinski B. & Terhal B.M. (2019), Quantum phase estimation of multiple eigenvalues for small-scale (noisy) experiments, New Journal of Physics 21: 023022.
- O'Brien T.E. (20 juni 2019), Applications of topology to Weyl semimetals and quantum computing (Dissertatie. Instituut-Lorentz, Science, Leiden). Promotor(en) en copromotor(en): Beenakker C.W.J. & DiCarlo L., Adagideli L.
- Baireuther P., Caio M.D., Criger B., Beenakker C.W.J. & O'Brien T.E. (2019), Neural network decoder for topological color codes with circuit level noise, New Journal of Physics 21: 013003.
- Spitz S.T., Tarasinski B., Beenakker C.W.J. & O'Brien T.E. (2018), Adaptive weight estimator for quantum error correction in a time-dependent environment, Advanced Quantum Technologies 1(1): 1800012.
- Bonet-Monroig X., Sagastizabal R., Singh M. & O'Brien T.E. (2018), Low-cost error mitigation by symmetry verification, Physical Review A 98(6): 062339.
- O’Brien T.E., Rożek P. & Akhmerov A.R. (2018), Majorana-Based Fermionic Quantum Computation, Physical Review Letters 120(22): 220504.
- Baireuther P., O'Brien T.E., Tarasinski B.M. & Beenakker C.W.J. (2018), Machine-learning-assisted correction of correlated qubit errors in a topological code, Quantum 2: 48.
- Bovenzi N., Breitkreiz M., O'Brien T.E., Tworzydlo J. & Beenakker C.W.J. (2018), Twisted Fermi surface of a thin-film Weyl semimetal, New Journal of Physics 20: 023023.
- O'Brien T.E., Beenakker C.W.J. & Adagideli I. (2017), Superconductivity provides access to the chiral magnetic effect of an unpaired Weyl cone, Physical Review Letters 118: 207701.
- Bovenzi N., Breitkreiz M., Baireuther P.S., O'Brien T.E., Tworzydlo J., Adagedeli I. & Beenakker C.W.J. (2017), Chirality blockade of Andreev reflection in a magnetic Weyl semimetal, Physical Review B 96(3): 035437.
- O'Brien T.E., Tarasinski B.M. & DiCarlo L. (2017), Density-matrix simulation of small surface codes under current and projected experimental noise, npj Quantum Information 3: 39.
- Rol M.A., Bultink C.C., O'Brien T.E., Jong S.R. de, Theis L.S., Fu X., Luthi F., Vermeulen R.F.L., Sterke J.C. de, Bruno A., Deurloo D., Schouten R.N., Wilhelm F.K. & DiCarlo L. (2017), Restless tuneup of high-fidelity qubit gates, Physical Review Applied 7: 041001.
- O'Brien T.E., Abanin D.A., Vidal G. & Papic Z. (2016), Explicit construction of local conserved operators in disordered many-body systems, Physical Review B: Condensed Matter 94: 144208.
- O'Brien T.E., Diez M. & Beenakker C.W.J. (2016), Magnetic breakdown and Klein tunneling in a type-II Weyl semimetal, Physical Review Letters 116(23): 236401.
- Bultink C.C., Rol M.A., O'Brien T.E., Fu X., Dikken B.C.S., Dickel C., Vermeulen R.F.L., Sterke J.C. de, Bruno A., Schouten R.N. & DiCarlo L. (2016), Active resonator reset in the nonlinear dispersive regime of circuit QED, Physical Review Applied 6: 034008.