Astrophysics

 
   

My complete list of publications is also available as a library on NASA ADS.

Articles

  1. Eichler, M.; Nakamura, K.; Takiwaki, T.; Kuroda, T.; Kotake, K.; Hempel, M.; Cabezón, R.; Liebendörfer, M.; Thielemann, F.-K.
    Nucleosynthesis in 2D Core-Collapse Supernovae of 11.2 and 17.0 M_sun Progenitors: Implications for Mo and Ru Production
    J. Phys. G: Nucl. Part. Phys. 45, 014001 (2018)
    NASA ADS

  2. Fischer, T.; Bastian, N.-U.; Blaschke, D.; Cerniak, M.; Hempel, M.; Klähn, T.; Martínez-Pinedo, G.; Newton, W. G.; Röpke, G.; Typel, S.
    The state of matter in simulations of core-collapse supernovae -- Reflections and recent developments
    Publ. Astron. Soc. Aust. 34, e067 (2017) (Proceedings for NewCompStar conference 2017)
    NASA ADS

  3. Dexheimer, V.; Hempel, M.; Iosilevskiy, I.; Schramm, S.
    Phase transitions in dense matter
    Nucl. Phys. A 967, 780 (2017) (Proceedings for Quark Matter 2017)
    NASA ADS

  4. Hempel, M.; Heinimann, O.; Yudin, A.; Iosilevskiy, I., Liebendörfer, M.; Thielemann, F.-K.
    New aspects of the QCD phase transition in proto-neutron stars and core-collapse supernovae
    J. Phys. Conf. Ser. 861, 012023 (2017) (Proceedings for CSQCD V)
    NASA ADS

  5. Marques, M.; Oertel, M.; Hempel, M.; Novak, J.
    A new temperature dependent hyperonic equation of state: application to rotating neutron star models and I-Q-relations
    Phys. Rev. C 96, 045806 (2017)
    NASA ADS

  6. Klähn, T.; Fischer, T.; Hempel, M.
    Simultaneous chiral symmetry restoration and deconfinement - Consequences for the QCD phase diagram
    Astrophys. J. 836, 89 (2017)
    NASA ADS

  7. Hempel, M.; Oertel, M.; Typel, S.; Klähn, T.
    How Well Do We Know The Supernova Equation of State?
    JPS Conf. Proc. 14, 010802 (2017) (Proceedings for NIC XIV 2016)
    NASA ADS

  8. Pan, K.-C.; Liebendörfer, M.; Hempel, M.; Thielemann, F.-K.
    Multi-dimensional Core-Collapse Supernova Simulations with Neutrino Transport
    JPS Conf. Proc. 14, 020703 (2017) (Proceedings for NIC XIV 2016)
    NASA ADS

  9. Sinha, S.; Fröhlich, C.; Ebinger, K.; Perego, A.; Hempel, M.; Eichler, M.; Liebendörfer, M.; Thielemann, F.-K.
    PUSHing Core-Collapse Supernovae to Explosions in Spherical Symmetry: Nucleosynthesis Yields
    JPS Conf. Proc. 14, 020608 (2017) (Proceedings for NIC XIV 2016)
    NASA ADS

  10. Ebinger, K.; Sinha, S.; Fröhlich, C.; Perego, A.; Hempel, M.; Eichler, M.; Casanova, J.; Liebendörfer, M.; Thielemann, F.-K.
    Explosion Dynamics of Parametrized Spherically Symmetric Core-Collapse Supernova Simulations
    JPS Conf. Proc. 14, 020611 (2017) (Proceedings for NIC XIV 2016)
    NASA ADS

  11. Eichler, M.; Nakamura, K.; Takiwaki, T.; Kuroda, T.; Kotake, K.; Hempel, M.; Cabezón, R.; Liebendörfer, M.; Thielemann, F.-K.
    Nucleosynthesis in 2D Core-Collapse Supernova Long-Term Simulations of 11.2 and 17.0 M_sun Progenitors
    JPS Conf. Proc. 14, 020604 (2017) (Proceedings for NIC XIV 2016)
    NASA ADS

  12. Heinimann, H.; Hempel, M.; Thielemann, F.-K.
    A Systematic Analysis of Hybrid Stars Using a Hadronic Equation of State Suitable for Core-Collapse Supernovae
    JPS Conf. Proc. 14, 020804 (2017) (Proceedings for NIC XIV 2016)
    NASA ADS

  13. Oertel, M.; Hempel, M.; Klähn, T.; Typel, S.
    Equations of state for supernovae and compact stars
    Rev. Mod. Phys. 89, 015007 (2017)
    NASA ADS

  14. Heinimann, O.; Hempel, M.; Thielemann, F.-K.
    Towards generating a new supernova equation of state: A systematic analysis of cold hybrid stars
    Phys. Rev. D 94, 103008 (2016), Editor's Suggestion
    NASA ADS

  15. Fischer, T.; Klähn, T.; Hempel, M.
    Consequences of simultaneous chiral symmetry breaking and deconfinement for the isospin symmetric phase diagram
    Eur. Phys. J. A 52, 225 (2016)
    NASA ADS

  16. Hagel, K.; Hempel, M.; Natowitz, J. B.; Röpke, G.; Typel, S.; Wuenschel, S.; Wada, R.; Barbui, M.; Schmidt, K.
    From femtonova to supernova: Heavy-ion collisions and the supernova equation of state
    EPJ Web Conf. 117, 07018 (2016) (12th International Conference on Nucleus-Nucleus Collisions 2015)
    NASA ADS

  17. Fischer, T.; Martínez-Pinedo, G.; Hempel, M.; Huther, L.; Röpke, G.; Typel, S.; Lohs, A.
    Expected impact from weak reactions with light nuclei in core-collapse supernova simulations
    EPJ Web Conf. 109, 06002 (2016) (OMEG 2015)
    NASA ADS

  18. Hempel, M.; Heinimann, O.; Yudin, A.; Iosilevskiy, I., Liebendörfer, M.; Thielemann, F.-K.
    Hot third family of compact stars and the possibility of core-collapse supernova explosions
    Phys. Rev. D 94, 103001 (2016)
    NASA ADS

  19. Yudin, A. V.; Hempel, M.; Nadyozhin, D. K.; Razinkova, T. L.
    Some properties of convection in hybrid stars
    Mon. Not. R. Astron. Soc. 45, 4325 (2016)
    NASA ADS

  20. Pan, K.-C.; Liebendörfer, M.; Hempel, M.; Thielemann, F.-K.
    Two-Dimensional Core-Collapse Supernova Simulations with the Isotropic Diffusion Source Approximation for Neutrino Transport
    Astrophys. J. 817, 72 (2016)
    NASA ADS

  21. Hempel, M.; Dexheimer, V.; Schramm, S.; Iosilevskiy, I.
    Noncongruence of phase transitions in strongly interacting matter
    arXiv:1512.07116 (2015) (14th Marcel Grossmann Meeting 2015)
    NASA ADS

  22. Hempel, M.; Hagel, K.; Natowitz, J.; Röpke, G.; Typel, S.
    Constraining supernova equations of state with equilibrium constants from heavy-ion collisions
    Phys. Rev. C 91, 045805 (2015)
    NASA ADS

  23. Perego, A.; Hempel, M.; Fröhlich, C.; Ebinger, K.; Eichler, M.; Casanova, J.; Liebendoerfer, M.; Thielemann, F.-K.
    PUSHing Core-collapse Supernovae to Explosions in Spherical Symmetry I: the Model and the Case of SN 1987A
    Astrophys. J. 806, 275 (2015)
    NASA ADS

  24. Hempel, M.
    Nucleon self-energies for supernova equations of state
    Phys. Rev. C 91, 055807 (2015)
    NASA ADS

  25. Banik, S.; Hempel, M.; Bandyophadyay, D.
    New hyperon equations of state for supernovae and neutron stars in density-dependent hadron field theory
    Astrophys. J. Suppl. 214, 22 (2014)
    NASA ADS

  26. Fischer, T.; Hempel, M.; Sagert, I.; Suwa, Y.; Schaffner-Bielich, J.
    Symmetry energy impact in simulations of core-collapse supernovae
    Eur. Phys. J. A 50, 46 (2014)
    NASA ADS

  27. Fischer, T.; Klähn, T.; Sagert, I.; Hempel, M.; Blaschke D.
    Quark Matter in Core Collapse Supernova Simulations
    Acta Phys. Polon. Supp. 7, 153 (2014) (31st Max Born Symposium and HIC for FAIR Workshop)
    INSPIRE

  28. Hempel, M.
    Materie am Limit
    Physik in unserer Zeit 45, 12 (2014)
    Wiley Online Library

  29. Steiner, A.; Hempel, M.; Fischer, T.
    Core-collapse supernova equations of state based on neutron star observations
    Astrophys. J. 774, 17 (2013)
    NASA ADS

  30. Hempel M.; Dexheimer V.; Schramm S.; Iosilevskiy I.
    Noncongruence of the nuclear liquid-gas and deconfinement phase transitions
    Phys. Rev. C 88, 014906 (2013)
    NASA ADS

  31. Kreim, S.; Hempel, M.; Lunney D.; Schaffner-Bielich, J.
    Nuclear Masses and Neutron Stars
    Int. J. Mass Spectrom. 349-350, 63 (2013)
    NASA ADS

  32. Claret, A.; Hempel M.
    The internal structure of neutron stars and white dwarfs, and the Jacobi virial equation. II
    Astron. & Astrophys. 552, A29 (2013)
    NASA ADS

  33. Buyukcizmeci, N. et al.
    A comparative study of statistical models for nuclear equation of state of stellar matter
    Nucl. Phys. A 907, 13 (2013)
    NASA ADS

  34. Steiner, A.; T. Fischer, Gandolfi S., Hempel, M.
    Neutron Star Radii, Core-collapse Supernovae, and the Equation of State of Dense Matter
    PoS(NIC XII) 038 (2012) (NIC XII proceedings)
    NASA ADS

  35. Dexheimer,V.; Negreiros, R.; Schramm, S.; Hempel, M.
    Deconfinement to Quark Matter in Neutron Stars - The Influence of Strong Magnetic Fields
    AIP Conf. Proc. 1520, 264 (2012) (XII HADRON PHYSICS proceedings)
    NASA ADS

  36. Nishimura, N.; Fischer, T.; Thielemann, F.-K.; Fröhlich, C.; Hempel, M.; Käppeli, R.; Martínez-Pinedo, G.; Rauscher, T.; Sagert, I.; Winteler, C.
    Nucleosynthesis in core-collapse supernova explosions triggered by a quark-hadron phase transition
    Astrophys. J. 758, 9 (2012)
    NASA ADS

  37. Fischer, T.; Martínez-Pinedo, G.; Hempel, M.; Liebendörfer, M.
    Neutrino spectra evolution during proto-neutron star deleptonization
    Phys. Rev. D 85, 083003 (2012)
    NASA ADS

  38. Hempel, M.; Fischer T.; Schaffner-Bielich, J.; Liebendörfer M.
    New equations of state in core-collapse supernova simulations
    Astrophys. J. 748, 70 (2012)
    NASA ADS

  39. Fischer, T. et al.
    Core collapse supernovae in the QCD phase diagram
    Phys. Atom. Nucl. 75, 613 (2012) (CPOD2010 proceeding)
    NASA ADS

  40. Sagert, I.; Fischer, T.; Hempel, M.; Pagliara, G.; Schaffner-Bielich, J.; Thielemann, F.-K.; Liebendörfer, M.
    Strange matter in core-collapse supernovae
    Acta Phys. Pol B 43, 741 (2012) (SQM2011 proceeding)
    NASA ADS

  41. Hempel M.; Schaffner-Bielich J.; Typel S.; Röpke G.
    Light clusters in nuclear matter: Excluded volume versus quantum many-body approaches
    Phys. Rev. C 84, 055804 (2011)
    NASA ADS

  42. Weissenborn, S.; Sagert, I.; Pagliara, G.; Hempel, M.; Schaffner-Bielich, J.
    Quark Matter In Massive Compact Stars
    Astrophys. J. Lett. 740, L14 (2011)
    NASA ADS

  43. Fischer, T.; Sagert, I.; Pagliara, G.; Hempel, M.; Schaffner-Bielich, J.; Rauscher, T.; Thielemann, F.-K.; Käppeli, R.; Martínez-Pinedo, G.; Liebendörfer, M.
    Core-collapse supernova explosions triggered by a quark-hadron phase transition during the early post-bounce phase
    Astrophys. J. Suppl. Series 194, 39 (2011)
    NASA ADS

  44. Schaffner-Bielich, J.; Fischer, T.; Hempel, M.; Liebendörfer, M.; Pagliara, G.; Sagert, I.
    Can a supernova bang twice?
    Prog. Theor. Phys. Suppl. 186, 93 (2010)
    NASA ADS

  45. Fischer, T.; Sagert, I.; Hempel, M.; Pagliara, G.; Schaffner-Bielich, J.; Liebendörfer, M.
    Signals of the QCD phase transition in core collapse supernovae—microphysical input and implications on the supernova dynamics
    Class. Quantum Grav. 27, 114102 (2010)
    NASA ADS

  46. Hempel, M.; Schaffner-Bielich, J.
    A Statistical Model for a Complete Supernova Equation of State
    Nucl. Phys. A 837, 210 (2010)
    NASA ADS

  47. Fischer, T.; Sagert, I.; Hempel, M.; Pagliara, G.; Schaffner-Bielich, J.; Mezzacappa, A.; Thielemann, F.-K.; Liebendörfer, M.
    Exploring the QCD phase transition in core collapse supernova simulations in spherical symmetry
    arXiv:1005.4479 (2010) (CSQCD II proceeding)
    NASA ADS

  48. Sagert, I.; Fischer, T.; Hempel, M.; Pagliara, G.; Schaffner-Bielich, J.; Thielemann, F.-K.; Liebendörfer, M.
    Strange quark matter in explosive astrophysical systems
    J. Phys. G: Nucl. Part. Phys. 37, 094064 (2010)
    NASA ADS

  49. Boeckel, T.; Hempel, M.; Sagert, I.; Pagliara, G.; Sa'd, B.; Schaffner-Bielich, J.
    Strangeness in Astrophysics and Cosmology
    J. Phys. G: Nucl. Part. Phys. 37, 094005 (2010)
    NASA ADS

  50. Pagliara, G.; Hempel, M.; Schaffner-Bielich, J.
    Quark-hadron mixed phases in protoneutron stars
    J. Phys. G: Nucl. Part. Phys. 37, 094065 (2010)
    NASA ADS

  51. Liebendörfer, M.; Fischer, T.; Hempel, M.; Käppeli, R.; Pagliara, G.; Perego, A.; Sagert, I.; Schaffner-Bielich, J.; Scheidegger, S.; Thielemann, F.; Whitehouse, S. C.
    Neutrino Radiation-Hydrodynamics: General Relativistic versus Multidimensional Supernova Simulations
    Prog. Theor. Phys. Suppl. 186, 87 (2010)
    NASA ADS

  52. Pagliara, G.; Hempel, M.; Schaffner-Bielich, J.
    New Possible Quark-Hadron Mixed Phase in Protoneutron Stars
    Phys. Rev. Lett. 103, 171102 (2009)
    NASA ADS

  53. Hempel, M.; Pagliara, G.; Schaffner-Bielich, J.
    Conditions for Phase Equilibrium in Supernovae, Proto-Neutron and Neutron Stars
    Phys. Rev. D 80, 125014 (2009)
    NASA ADS

  54. Liebendörfer, M.; Fischer, T.; Hempel, M.; Mezzacappa, A.; Pagliara, G.; Sagert, I.; Schaffner-Bielich, J.; Scheidegger, S.; Thielemann, F.-K.; Whitehouse, S. C.
    Supernovae as Nuclear and Particle Physics Laboratories
    Nucl. Phys. A 827, 573 (2009)
    NASA ADS

  55. Schaffner-Bielich, J.; Sagert, I.; Hempel, M.; Pagliara, G.; Fischer, T.; Thielemann, F.-K.; Mezzacappa, A.; Liebendörfer, M.
    Astrophysical Implications of the QCD phase transition
    PoS CONFINEMENT8, 138 (2009)
    NASA ADS

  56. Sagert, I.; Hempel, M.; Pagliara, G.; Schaffner-Bielich, J.; Fischer, T.; Mezzacappa, A.; Thielemann, F.-K.; Liebendörfer, M.
    The Strange Prospects for Astrophysics
    J. Phys. G: Nucl. Part. Phys. 36, 064009 (2009) (SQM2008 proceeding)
    NASA ADS

  57. Sagert, I.; Hempel, M.; Pagliara, G.; Schaffner-Bielich, J.; Fischer, T.; Mezzacappa, A.; Thielemann, F.-K.; Liebendörfer, M.
    Signals of the QCD phase transition in core-collapse supernovae
    Phys. Rev. Lett. 102, 081101 (2009)
    NASA ADS

  58. Sagert, I.; Pagliara, G.; Hempel, M.; Schaffner-Bielich, J.
    Is there Quark Matter in (Low-Mass) Pulsars?
    J. Phys. G: Nucl. Part. Phys. 35, 104079 (2008)
    NASA ADS

  59. Guo, L.; Hempel, M.; Schaffner-Bielich, J.; Maruhn, J. A.
    Triaxial nuclear models and the outer crust of nonaccreting cold neutron stars
    Phys. Rev. C 76, 065801 (2007)
    NASA ADS

  60. Hempel, M.; Schaffner-Bielich, J.
    Mass, radius, and composition of the outer crust of nonaccreting cold neutron stars
    J. Phys. G: Nucl. Part. Phys. 35, 014043 (2007)
    NASA ADS

  61. Rüster, S. B.; Hempel, M.; Schaffner-Bielich, J.
    Outer crust of nonaccreting cold neutron stars
    Phys. Rev. C 73, 035804 (2006)
    NASA ADS

  62. Sagert, I.; Hempel, M.; Greiner, C.; Schaffner-Bielich, J.
    Compact stars for undergraduates
    Eur. J. Phys. 27, 577 (2006)
    NASA ADS

 


Diploma Thesis (german)

Die äußere Kruste kalter Neutronensterne
Frankfurt am Main (2006)

 


Ph.D. Thesis

Hot and Dense Matter in Compact Stars - From Nuclei to Quarks
Heidelberg (2010)
ISBN: 978-3-8381-2308-0