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Recent development of chiral effective field theory and its application to nuclear structure calculations

ECT* Seminar
Speaker: 
Chieh Jen Yang (University of Trento)
Date: 
18 Dec 2013 - 11:00
Location: 
Villa Tambosi 2nd Floor, Seminar Room
Abstract: 

Since Weinberg's proposal in 90's, nuclear force based on chiral effective field theory (EFT) has been developed up to next-to-next-to-next-to leading order (N3LO), which, presumably should give a model-independent description of nucleon-nucleon interaction with high accuracy. The first part of this talk will be dedicated to some recent efforts toward this goal. Then, I will discuss an alternative way to perform few- and many-body nuclear structure calculation without performing unitary transformation. This new approach preserves the EFT power counting in truncated model space and therefore guarantees the model-independence of the results.