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The Auxiliary Field Diffusion Monte Carlo Method for Nuclear Physics and Nuclear Astrophysics

Dec, 2007
117 pages
Supervisor:
  • Franscesco Pederiva
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Abstract: (arXiv)
In this thesis, I discuss the use of the Auxiliary Field Diffusion Monte Carlo method to compute the ground state of nuclear Hamiltonians, and I show several applications to interesting problems both in nuclear physics and in nuclear astrophysics. In particular, the AFDMC algorithm is applied to the study of several nuclear systems, finite, and infinite matter. Results about the ground state of nuclei (4^4He, 8^8He, 16^{16}O and 40^{40}Ca), neutron drops (with 8 and 20 neutrons) and neutron rich-nuclei (isotopes of oxygen and calcium) are discussed, and the equation of state of nuclear and neutron matter are calculated and compared with other many-body calculations. The 1S0^1S_0 superfluid phase of neutron matter in the low-density regime was also studied.
Note:
  • Ph.D. Thesis (Advisor: Dr. Franscesco Pederiva)
  • thesis