Xiaojian Bai
Assistant Professor of Physics
Ph.D., 2014 - Sogang University
Ph.D., 2019 - Georgia Institute of Technology
Louisiana State University
Department of Physics & Astronomy
210-E Nicholson Hall, Tower Dr.
Baton Rouge, LA 70803-4001
225-578-2029-Office
xbai@lsu.edu
Research Interests
Experimental Condensed Matter Physics
My current research focuses on understanding emergent properties of strongly correlated materials using a combination of experimental and theoretical approaches, including in-house single-crystal growth and physical property characterization, high-fidelity theoretical modeling using HPC, and neutron spectroscopy at Oak Ridge National Laboratory and user facilities around the world. Neutron scattering is a powerful experimental tool that can provide quantitative information on static and dynamic correlations between microscopic degrees of freedom. My group uses neutrons to study a broad range of topics such as quantum and classical spin liquids, frustrated magnets, magnetic excitations, multipolar bound-states, multiferroic materials, low-dimensional metal-organic frameworks, Hund's metals, spin density waves, and correlated structural disorders.
Select Publications
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X. Bai, S.-S. Zhang, Z. L. Dun, H. Zhang, Q. Huang, H. D. Zhou, M. B. Stone, A. I. Kolesnikov, F. Ye, C. D. Batista, M. Mourigal, “Hybridized quadrupolar excitations in the frustrated and spin-anisotropic magnet FeI2”, Nature Physics 17(4), 467-472 (2021). [arXiv:2004.05623]
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X. Bai, R. S. Fishman, G. Sala, D. M. Pajerowski, V. O. Garlea, T. Hong, M. Lee, J. A. Fernandez-Baca, H. Cao, and W. Tian, “Magnetic excitations of the hybrid multiferroic (ND4)2FeCl5D2O”, Physical Review B 103(22), 224411 (2021). [arXiv:2008.06827]
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Z. L. Dun, X. Bai, J. A. M. Paddison, E. Hollingworth, N. P. Butch, C. D. Cruz, M. B. Stone, T. Hong, M. Mourigal, H. D. Zhou, “Quantum Versus Classical Spin Fragmentation in Kagome Ice Ho3Mg2Sb3O14”, Physical Review X 10(3), 031069 (2020). [arXiv:1912.11229]
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X. Bai, J. A. M. Paddison, E. Kapit, S. M. Koohpayeh, J.-J. Wen, S. E. Dutton, A. T. Savici, A. I. Kolesnikov, G. E. Granroth, C. L. Broholm, J. T. Chalker, and M. Mourigal, “Magnetic Excitations of the Classical Spin Liquid MgCr2O4”, Physical Review Letters 122(9), 097201 (2019). [arXiv:1810.11869]
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N. Blanc, J. Trinh, L. Dong, X. Bai, A. A. Aczel, M. Mourigal, L. Balents, T. Siegrist, and A. P. Ramirez, “Quantum criticality among entangled spin chains”, Nature Physics 14(3), 273-276 (2018).
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J. A. M. Paddison, H. S. Ong, J. O. Hamp, P. Mukherjee, X. Bai, M. G. Tucker, N. P. Butch, C. Castelnovo, M. Mourigal, and S. E. Dutton, “Emergent order in the kagome Ising magnet Dy3Mg2Sb3O14”, Nature Communications 7(1), 1-8, 13842 (2016). [arXiv:1605.01423]
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X. Bai, B.-H. Lee, L. Li, J.-R. Sun, and H.-Q. Zhang, “Time evolution of entanglement entropy in quenched holographic superconductors”, Journal of High Energy Physics 2015(4), 66, (2015). [arXiv:1412.5500]
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X. Bai, B.-H. Lee, M. Park, and S. Khimphun, “Dynamical condensation in a holographic superconductor model with anisotropy”, Journal of High Energy Physics 2014(9), 54, (2014). [arXiv:1405.1806]