Tom O'Brien
Assistant professor
- Name
- Dr. T.E. O'Brien
- Telephone
- 071 5275568
- obrien@lorentz.leidenuniv.nl
Assistant professor
- Faculty of Science
- LION
- Theoretical Physics
- Koridon E.F., Fraxanet J., Dauphin A., Visscher L., O'Brien T.E. & Polla S. (2024), A hybrid quantum algorithm to detect conical intersections, Quantum 8: 1259.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- 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.
- O'Brien T.E. (20 June 2019), Applications of topology to Weyl semimetals and quantum computing (Dissertatie. Instituut-Lorentz, Science, Leiden). Supervisor(s) and Co-supervisor(s): 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.
- 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., 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.
- 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.
- 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.
- 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., Rożek P. & Akhmerov A.R. (2018), Majorana-Based Fermionic Quantum Computation, Physical Review Letters 120(22): 220504.
- 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., 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.
- 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.
- 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.
- 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.