Abstract.
We discuss in detail the derivation of the leading four-nucleon force in chiral effective field theory using the method of unitary transformation. The resulting four-nucleon force is given in both momentum and configuration space. It does not contain any unknown parameters and can be used in few- and many-nucleon studies.
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U.-G. Meißner
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Epelbaum, E. Four-nucleon force using the method of unitary transformation. Eur. Phys. J. A 34, 197–214 (2007). https://doi.org/10.1140/epja/i2007-10496-0
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DOI: https://doi.org/10.1140/epja/i2007-10496-0