Mandy Bethkenhagen

Contact information:

Lawrence Livermore National Laboratory
7000 East Avenue, L-413
Livermore, CA 94550
phone: 925-423-4534
fax: 925-423-5733


  • Ph.D., Physics, University of Rostock, Germany (2017)
  • Diploma, Physics, University of Rostock, Germany (2011)


My research focuses on the description of matter under extreme conditions such as found in the interior of giant planets. In particular, I am interested in the phase diagrams and equations of state of methane, ammonia, water, and their mixtures.

Recent publications:

  • “Planetary ices and the linear mixing approximation”, M. Bethkenhagen, E. R. Meyer, S. Hamel, N. Nettelmann, M. French, L. Scheibe, C. Ticknor, L. A. Collins, J. D. Kress, J. J. Fortney, R. Redmer (submitted).
  • “Uranus evolution models with simple thermal boundary layers”, N. Nettelmann, K. Wang, J. J. Fortney, S. Hamel, S. Yellamilli, M. Bethkenhagen, R. Redmer - Icarus, 275, 107 (2016).
  • “Bonding and structure in dense multi-component molecular mixtures”, E. R. Meyer, C. Ticknor, M. Bethkenhagen, S. Hamel, R. Redmer, J. D. Kress, L. A. Collins - J. Chem. Phys., 143, 164513 (2015).
  • “Superionic phases of the 1:1 water-ammonia mixture”, M. Bethkenhagen, D. Cebulla, R. Redmer, S. Hamel - J. Phys. Chem. A ,119, 10582 (2015).
  • “Equation of state and phase diagram of ammonia at high pressure from ab initio simulations”, M. Bethkenhagen, M. French, R. Redmer - J. Chem. Phys., 138, 234504 (2013).
  • “Ab initio simulations for material properties along the Jupiter adiabat”, M. French, A. Becker, W. Lorenzen, N. Nettelmann, M. Bethkenhagen, J. Wicht, R. Redmer - Astrophys. J. Suppl. Ser., 202, 5 (2012).