NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 29, 2024.

Search: Author = J.Hoppe

Found 7 matches.

Back to query form

2023HE04      Phys.Rev. C 107, 024310 (2023)

K.Hebeler, V.Durant, J.Hoppe, M.Heinz, A.Schwenk, J.Simonis, A.Tichai

Normal ordering of three-nucleon interactions for ab initio calculations of heavy nuclei

NUCLEAR STRUCTURE ¹⁸O, ⁴⁸Ca, ⁷⁸Ni, ¹³²Sn, ²⁰⁸Pb; calculated ground-state energies. ¹³²Sn, ²⁰⁸Pb; calculated charge radii. Jacobi normal-ordering (NO) framework to include three-nucleon (3N) interactions in ab initio many-body calculations up to heavy nuclei at the two-body operator level. Comparison to experimental data.

doi: 10.1103/PhysRevC.107.024310
Citations: PlumX Metrics

2022HO06      Phys.Rev. C 105, 034324 (2022)

J.Hoppe, A.Tichai, M.Heinz, K.Hebeler, A.Schwenk

Importance truncation for the in-medium similarity renormalization group

NUCLEAR STRUCTURE ⁴He, ^40,48,52,60Ca, ^56,68,78Ni; calculated ground state energy. Importance truncation (IT) methods in the nonperturbative in-medium similarity renormalization group (IMSRG) approach. Investigated the effect of truncation in different sub-blocks of the two-body Hamiltonian on the solution error.

doi: 10.1103/PhysRevC.105.034324
Citations: PlumX Metrics

2022TI04      Phys.Rev. C 106, 024320 (2022)

A.Tichai, P.Arthuis, K.Hebeler, M.Heinz, J.Hoppe, A.Schwenk, L.Zurek

Least-square approach for singular value decompositions of scattering problems

doi: 10.1103/PhysRevC.106.024320
Citations: PlumX Metrics

2021HE11      Phys.Rev. C 103, 044318 (2021)

M.Heinz, A.Tichai, J.Hoppe, K.Hebeler, A.Schwenk

In-medium similarity renormalization group with three-body operators

NUCLEAR STRUCTURE ⁴He, ¹⁶O; calculated ground-state energies using various truncation schemes. Full and approximate in-medium similarity renormalization group (IMSRG(3)) truncations applied to the closed-shell nuclei using nucleon-nucleon and nucleon-nucleon+3N-chiral Hamiltonians with the Hartree-Fock and natural orbital single-particle bases.

doi: 10.1103/PhysRevC.103.044318
Citations: PlumX Metrics

2021HO03      Phys.Rev. C 103, 014321 (2021)

J.Hoppe, A.Tichai, M.Heinz, K.Hebeler, A.Schwenk

Natural orbitals for many-body expansion methods

NUCLEAR STRUCTURE ^16,22O, ⁴⁰Ca, ⁷⁸Ni; calculated one-body proton density matrix, occupation numbers of the single-particle proton orbitals, and absolute value of the radial wave function for ¹⁶O, negative occupations of the p orbitals for ¹⁶O and ²²O, ground-state energies and charge radii of ¹⁶O, ⁴⁰Ca and ⁷⁸Ni. Nonperturbative many-body calculations using the in-medium similarity renormalization group (IMSRG) approach, with large single-particle basis. Comparison with experimental data for ⁷⁸Ni.

doi: 10.1103/PhysRevC.103.014321
Citations: PlumX Metrics

2019HO09      Phys.Rev. C 100, 024318 (2019)

J.Hoppe, C.Drischler, K.Hebeler, A.Schwenk, J.Simonis

Probing chiral interactions up to next-to-next-to-next-to-leading order in medium-mass nuclei

NUCLEAR STRUCTURE ³H, ^16,24O, ^40,48,52,60Ca, ^56,68Ni; calculated binding energies, charge radii, and ground-state energies per nucleon. Ab initio calculations using in-medium similarity renormalization group (IM-SRG) based on chiral interactions at next-to-leading order (NLO), N²LO, and N³LO. Comparison with experimental data.

doi: 10.1103/PhysRevC.100.024318
Citations: PlumX Metrics

2017HO24      Phys.Rev. C 96, 054002 (2017)

J.Hoppe, C.Drischler, R.J.Furnstahl, K.Hebeler, A.Schwenk

Weinberg eigenvalues for chiral nucleon-nucleon interactions

doi: 10.1103/PhysRevC.96.054002
Citations: PlumX Metrics