Welcome to my homepage!

        
                                     
            Professor    

        School of Mathematical Sciences
        Beijing Normal University
        Beijng 100875, China

        Office:  1302 Houzhulou
        Email:  chen.huajie@bnu.edu.cn

            department website


        Research Interests

         Eigenvalue problems
         Electronic structure calculations
         Multiscale methods


        CV

        Sep. 2016 - Present:      Professor at Beijing Normal University
        Oct. 2014 - Aug. 2016:  Postdoc at University of Warwick  
                                               (with Prof. Christoph Ortner)

        Oct. 2012 - Sep. 2014:   Postdoc at Technische Universitat Munchen  
                                               (with Prof. Gero Friesecke)

        Nov. 2010 - Sep. 2012: ‌ Postdoc at Technische Universitat Berlin  
                                               (with Prof. Reinhold Schneider)

        Sep. 2005 - Jul. 2010:    Ph.D at Institute of Computational Mathematics and Scientific/Engineering Computing,
                                               Academy of Mathematics and Systems Science,
                                               Chinese Academy of Sciences   
                                               (Adviser: Prof. Aihui Zhou)

        Sep. 2001 - Jul. 2005:    B.S. at School of Mathematical Sciences, Beijing Normal University


         Publications

            My Google citations profile
    1.   Huajie Chen, Mingjie Liao, Hao Wang, Yangshuai Wang, and Lei Zhang,
          Adaptive QM/MM coupling for crystalline defects,
          Comput. Methods Appl. Mech. Engrg., 354 (2019), pp. 351-368 [link]


    2.   Xiaoxu Li and Huajie Chen,
          A discontinuous Galerkin scheme for full-potential electronic structure calculations,
          J. Comput. Phys., 385 (2019), pp. 33-50 [link]


    3.   Yuzhi Zhou, Huajie Chen, and Aihui Zhou,
          Plane wave methods for quantum eigenvalue problems of incommensurate systems,
          J. Comput. Phys., 384 (2019), pp. 99-113 [link]


    4.   Huajie Chen, Faizan Q. Nazar, and Christoph Ortner,
          Geometry Equilibration of Crystalline Defects in Quantum and Atomistic Descriptions,
          M3AS, 29 (2019), pp. 419-492 [link]


    5.   Huajie Chen, Jianfeng Lu, and Christoph Ortner,
          Thermodynamic limit of crystal defects with finite temperature tight binding,
          Arch. Rational Mech. Anal., 230 (2018), pp. 701-733 [link]


    6.   Huajie Chen and Christoph Ortner,
          QM/MM methods for crystalline defects. Part 2: Consistent energy and force-mixing,
          Multiscale Model. Simul., 15 (2017), pp. 184-214 [link]


    7.   Huajie Chen and Christoph Ortner,
          QM/MM methods for crystalline defects. Part 1: Locality of the tight binding model,
          Multiscale Model. Simul., 14 (2016), pp. 232-264 [link]


    8.   Huajie Chen and Gero Friesecke,
          Pair densities in density functional theory,
          Multiscale Model. Simul., 13 (2015), pp. 1259-1289 [link]


    9.   Huajie Chen and Reinhold Schneider,
          Error estimates of some numerical atomic orbitals in molecular simulations,
          Commun. Comput. Phys., 18 (2015), pp. 125-146 [link]


    10. Huajie Chen and Reinhold Schneider,
          Numerical analysis of augmented plane waves methods for full-potential electronic structure calculations,
          ESIAM: M2AN, 49 (2015), pp. 755-785 [link]


    11. Huajie Chen, Xiaoying Dai, Xingao Gong, Lianhua He, and Aihui Zhou,
          Adaptive finite element approximations for Kohn-Sham models,
          Multiscale Model. Simul., 12 (2014), pp. 1828-1869 [link]


    12. Huajie Chen, Gero Friesecke, and Christian B. Mendl,
          Numerical methods for a Kohn-Sham density functional model based on optimal transport,
          J. Chem. Theory Comput., 10 (2014), pp. 4360-4368 [link]


    13. Markus Bachmayr, Huajie Chen, and Reinhold Schneider,
          Error estimates for Hermite and even-tempered Gaussian approximations in quantum chemistry,
          Numer. Math., 128 (2014), pp. 137-165 [link]


    14. Huajie Chen, Xingao Gong, Lianhua He, Zhang Yang, and Aihui Zhou,
          Numerical analysis of finite dimensional approximations of Kohn-Sham equations,
          Adv. Comput. Math., 38 (2013), pp. 225-256 [link]


    15. Huajie Chen and Aihui Zhou,
          Finite element approximations in orbital-free density functional theory,
          In: Recent Progress in Orbital-Free Density Functional Theory, edited by T. A. Wesolowski and Y. A. Wang,
          World Scientific, Singapore (2013), Chapter 8, pp. 251-272 [link]


    16. Huajie Chen, Xingao Gong, Lianhua He, and Aihui Zhou,
          Adaptive finite element approximations for a class of nonlinear eigenvalue problems in quantum physics,
          Adv. Appl. Math. Mech., 3 (2011), pp. 493-518 [link]


    17. Huajie Chen, Lianhua He, and Aihui Zhou,
          Finite element approximations of nonlinear eigenvalue problems in quantum physics,
          Comput. Methods Appl. Mech. Engrg., 200 (2011), pp. 1846-1865 [link]


    18. Huajie Chen, Fang Liu, Nils Reich, Christoph Winter, and Aihui Zhou,
          Two-scale finite element discretizations for integro-differential equations,
          J. Integral Equations Appl., 23 (2011), pp. 1-31 [link]


    19. Huajie Chen, Xingao Gong, and Aihui Zhou,
          Numerical approximations of a nonlinear eigenvalue problem and applications to a density functional model,
          Math. Meth. Appl. Sci., 33 (2010), pp. 1723-1742 [link]


    20. Huajie Chen, Fang Liu, and Aihui Zhou,
          A two-scale higher-order finite element discretization for Schrodinger equation,
          J. Comput. Math., 27 (2009), pp. 315-337 [link]


    21. Huajie Chen and Aihui Zhou,
          Orbital-free density functional theory for molecular structure calculations,
          Numer. Math. Theor. Meth. Appl., 1 (2008), pp. 1-28 [link]