Effective Field Theory for Finite Systems with Spontaneously Broken Symmetry
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Papenbrock, Thomas F↗
Engineering topics
Papenbrock, Thomas F
Publications and source records attributed to Papenbrock, Thomas F.
Rotational constants of multi-phonon bands in an effective theory for deformed nuclei
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Zhang, J.↗
Condensates of p -Wave Pairs Are Exact Solutions for Rotating Two-Component Bose Gases
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Papenbrock, T.↗
Time-dependent coupled-cluster method for atomic nuclei
We study time-dependent coupled-cluster theory in the framework of nuclear physics. Based on Kvaal's bi-variational formulation of this method [S. Kvaal, arXiv:1201.5548], we explicitly demonstrate that observables that commute with the Hamiltonian are conserved under time evolution. We explore the role of the energy and of the similarity-transformed Hamiltonian under real and imaginary time evolution and relate the latter to similarity renormalization group transformations. Proof-of-principle computations of He-4 and O-16 in small model spaces, and computations of the Lipkin model illustrate the capabilities of the method
73 NUCLEAR PHYSICS AND RADIATION PHYSICS↗