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
210E Nicholson Hall, Tower Dr.
Baton Rouge, LA 708034001
2255782029Office
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 inhouse singlecrystal growth and physical property characterization, highfidelity 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 boundstates, multiferroic materials, lowdimensional metalorganic frameworks, Hund's metals, spin density waves, and correlated structural disorders.
Select Publications

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 spinanisotropic magnet FeI2”, Nature Physics 17(4), 467472 (2021). [arXiv:2004.05623]

X. Bai, R. S. Fishman, G. Sala, D. M. Pajerowski, V. O. Garlea, T. Hong, M. Lee, J. A. FernandezBaca, H. Cao, and W. Tian, “Magnetic excitations of the hybrid multiferroic (ND4)2FeCl5D2O”, Physical Review B 103(22), 224411 (2021). [arXiv:2008.06827]

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]

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]

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), 273276 (2018).

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), 18, 13842 (2016). [arXiv:1605.01423]

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]

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]