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Recent Papers on Random quantum circuits and machine learning
S. Oh and S. Kais, Cutoff phenomenon and entropic uncertainty for random quantum circuits, Electronic Structure 5, 035004 (2023).
S.Oh and S. Kais, Comparison of quantum advantage experiments using random circuit sampling, Physical Review A 107 (2), 022610 (2023)
S. Oh and S. Kais, Statistical analysis on random quantum circuit sampling by Sycamore and Zuchongzhi quantum processors, Phys. Rev. A 106, 032433 (2022).
S. Oh and S. Kais, Statistical Properties of Bit Strings Sampled from Sycamore Random Quantum Circuits, J. Phys. Chem. Letts. 13, 7469 (2022).
S Oh, A Baggag, H Nha, Entropy, free energy, and work of restricted Boltzmann machines, Entropy 22 (5), 538 (2020).
Quantum Computation
S. Oh, S. Lee, H Lee, Fidelity of quantum teleportation through noisy channels, Phys. Rev. A 66, 022316 (2002).
J. Joo, Y. J. Park, S. Oh, J. Kim, Quantum teleportation via a W state, New J. of Phys. 5, 136 (2003).
S. Oh, Quantum computational method of finding the ground-state energy and expectation values, Phys. Rev. A 77, 012326 (2008).
S. Oh and S. Kais, Transitionless driving on adiabatic search algorithm, J. of Chem. Phys. 141, 224108 (2014).
S. Oh, Generation of entanglement in finite spin systems via adiabatic quantum computation, Eur. Phys. J. D 58, 409-413 (2010).
S. Oh, X. Hu, F. Nori, S. Kais, Singularity of the time-energy uncertainty in adiabatic perturbation and cycloids on a Bloch sphere Sci. Rep. 6, 20824 (2016).
S. Oh, Errors due to finite rise and fall times of pulses in superconducting charge qubits, Phys. Rev. B 65, 144526 (2002).
Quantum data buses in spin Qubits
S. Oh, M. Friesen, X. Hu, Even-odd effects of Heisenberg chains on long-range interaction and entanglement, Phys. Rev. B 82, 140403 (2010).
S. Oh, L.A. Wu, Y.P. Shim, M. Friesen, X. Hu, Heisenberg spin bus as a robust transmission line for quantum- state transfer, Phys. Rev. A 84, 022330 (2011).
S. Oh, Y.P. Shim, J. Fei, M. Friesen, X. Hu, Effect of randomness on quantum data buses of Heisenberg spin chains, Phys. Rev. B 85, 224418 (2012).
S. Oh, Y.P. Shim, J. Fei, M. Friesen, X. Hu, Resonant adiabatic passage with three qubits, Phys. Rev. A 87, 022332 (2013).
Y.P. Shim, S. Oh, X. Hu, M. Friesen, Controllable anisotropic exchange coupling between spin qubits in quantum dots, Phys. Rev. Lett. 106, 180503 (2011).
J. Fei, D. Zhou, Y.P. Shim, S. Oh, X. Hu, M. Friesen, Mediated gates between spin qubits, Phys. Rev. A 86, 062328 (2012).
Y.P. Shim, S. Oh, J. Fei, X. Hu, M. Friesen, Probing quantum phase transitions in a spin chain with a double quantum dot, Phys. Rev. B 87, 155405 (2013).
Entanglement of Quantum Many-body systems
S. Oh, J. Kim, Entanglement of electron spins of noninteracting electron gases, Phys. Rev. A 69, 054305 (2004),
S. Oh, J. Kim, Entanglement between qubits induced by a common environment with a gap, Phys. Rev. A 73, 062306 (2006).
S. Oh, J. Kim, Entanglement of electron spins in superconductors, Phys. Rev. B 71, 144523 (2005).
S. Oh, Z. Huang, U. Peskin, S. Kais, Entanglement, Berry phases, and level crossings for the atomic Breit-Rabi Hamiltonian, Phys. Rev. A 78, 062106 (2008).
S. Oh, J. Kim, Entanglement of an impurity and conduction spins in the Kondo model, Phys. Rev. B 73, 052407 (2006).
S. Oh, Geometric phases and entanglement of two qubits with XY type interaction, Phys. Lett. A 373, 644 (2009).