Journal of Low Temperature Physics

, Volume 138, Issue 3–4, pp 747–752 | Cite as

Fermion Monte Carlo calculations of liquid 3He

  • M. H. Kalos
  • L. Colletti
  • F. Pederiva
Original Article

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Methods and results for calculations of the ground state energy of the bulk system of 3He atoms are discussed. Results are encouraging: we believe that they demonstrate that our methods offer a solution of the “fermion sign problem” and the possibility of direct computation of many-fermion systems with no uncontrolled approximations. Although the method is still rather inefficient compared to variational or fixed-node methods, we have been able to obtain useful answers.


State Energy Magnetic Material Direct Computation Sign Problem Ground State Energy 


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Copyright information

© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  • M. H. Kalos
    • 1
  • L. Colletti
    • 2
    • 3
  • F. Pederiva
    • 2
    • 4
  1. 1.Lawrence Livermore National LaboratoryUniversity of CaliforniaLivermore
  2. 2.Dipartimento di FisicaUniversità di TrentoPovo(TN)Italy
  3. 3.Dep. of Computer ScienceFree University of BolzanoBolzanoItaly
  4. 4.DEMOCRITOS - INFM National Simulation CenterTriesteItaly

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