Author

Tichai, Alexander

INSPIRE profile1686159 ORCID0000-0002-0618-0685

44 papers

Affiliationsfrom papers in this corpus

Collaboratorsmost frequent first

	Paper	Category
Aug 20, 2026#42608.18975	Balancing theory uncertainties in ab initio nuclear structure calculations: Many-body truncation versus finite basis size L. Zurek🇫🇷 · U. Vernik🇩🇪 · P. Demol🇧🇪 · T. Duguet🇫🇷 · M. Frosini🇫🇷 · A. Tichai🇩🇪	nucl-th	—	1
Jul 7, 2026#112607.05086	High-precision ab initio calculations of nuclear binding energies: Tin isotopes from dripline to dripline Urban Vernik🇩🇪 · Pepijn Demol🇧🇪 · Thomas Duguet🇫🇷 · Alexander Tichai🇩🇪	nucl-th	—	5
Jul 2, 2026#12607.00119	High-order perturbative calculations of nuclear ground states: Automated evaluation of many-body diagrams Zhen Li🇩🇪 · Alexander Tichai🇩🇪 · Achim Schwenk🇩🇪 · Nadezda A. Smirnova🇫🇷	nucl-th	—	2
Feb 26, 2026#22602.22030	Ab initio calculations of nuclear charge radii across and beyond $^{132}$ Sn: Putting chiral EFT nuclear interactions to the test Pepijn Demol🇧🇪 · Urban Vernik🇩🇪 · Thomas Duguet🇫🇷 · Alexander Tichai🇩🇪	nucl-th	PLB	8
Dec 22, 2025#32512.17311	From closed shells to open shells: Coupled-cluster calculations of atomic nuclei F. Marino🇩🇪 · F. Bonaiti🇺🇸 · P. Demol🇧🇪 · S. Bacca🇩🇪 · T. Duguet🇫🇷 · G. Hagen🇺🇸 · G. R. Jansen🇺🇸 · T. Papenbrock🇺🇸 · A. Tichai🇩🇪	nucl-th	PRC	6
Nov 21, 2025#12511.15836	Ab initio calculations of monopole sum rules: From finite nuclei to infinite nuclear matter Francesca Bonaiti🇺🇸 · Andrea Porro🇩🇪 · Sonia Bacca🇩🇪 · Achim Schwenk🇩🇪 · Alexander Tichai🇩🇪	nucl-th	PRC	6
Oct 10, 2025#122510.08362	Hartree-Fock emulators for nuclei: Application to charge radii of $^{48, 52}$ Ca Margarida Companys Franzke · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪	nucl-th	PRC	8
Jul 29, 2025#72507.20665	Impact of ground-state correlations on the multipole response of nuclei: Ab initio calculations of moment operators Andrea Porro🇩🇪 · Achim Schwenk🇩🇪 · Alexander Tichai🇩🇪	nucl-th	PRC	6
Jul 15, 2025#22507.09079	Bayesian approach for many-body uncertainties in nuclear structure: Many-body perturbation theory for finite nuclei Isak Svensson🇩🇪 · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪	nucl-th	PRC	13
Apr 4, 2025#72504.02481	Revealing the harmonic structure of nuclear two-body correlations in high-energy heavy-ion collisions Thomas Duguet🇫🇷 · Giuliano Giacalone🇨🇭 · Sangyong Jeon🇨🇦 · Alexander Tichai🇩🇪	nucl-th	PRL	27
Nov 26, 2024#62411.16014	Improved structure of calcium isotopes from ab initio calculations M. Heinz🇩🇪 · T. Miyagi🇩🇪 · S. R. Stroberg🇺🇸 · A. Tichai🇩🇪 · K. Hebeler🇩🇪 · A. Schwenk🇩🇪	nucl-th	PRC	54
Oct 28, 2024#42410.19511	Recent advances in coupled cluster computations of open-shell atomic nuclei Francesco Marino🇩🇪 · Francesca Bonaiti🇺🇸 · Sonia Bacca🇩🇪 · Pepijn Demol🇧🇪 · Thomas Duguet🇫🇷 · Gaute Hagen🇺🇸 · Gustav Jansen🇺🇸 · Alexander Tichai🇩🇪	nucl-th	EPJ Web Conf.	2
Jul 25, 2024#22407.16841	Ab initio Bogoliubov many-body perturbation theory: closed-form constraint on the average particle number Pepijn Demol🇧🇪 · Thomas Duguet🇫🇷 · Alexander Tichai🇩🇪	nucl-th	EPJA	1
Jun 7, 2024#12406.03545	Impact of correlations on nuclear binding energies Alberto Scalesi🇫🇷 · Thomas Duguet🇫🇷 · Pepijn Demol🇧🇪 · Mikael Frosini🇫🇷 · Vittorio Somà🇫🇷 · Alexander Tichai🇩🇪	nucl-th	EPJA	15
Mar 1, 2024#32402.18723	Spectroscopy of N=50 isotones with the valence-space density matrix renormalization group A. Tichai🇩🇪 · K. Kapás · T. Miyagi🇩🇪 · M. A. Werner🇭🇺 · Ö. Legeza🇭🇺 · A. Schwenk🇩🇪 · G. Zarand	nucl-th	PLB	25
Jul 31, 2023#42307.15572	Randomized Low-Rank Decompositions of Nuclear Three-Body Interactions A. Tichai🇩🇪 · P. Arthuis🇩🇪 · K. Hebeler🇩🇪 · M. Heinz🇩🇪 · J. Hoppe · T. Miyagi🇯🇵 · A. Schwenk🇩🇪 · L. Zurek🇫🇷	nucl-th	PRResearch	11
Jul 31, 2023#62307.15619	Towards heavy-mass ab initio nuclear structure: Open-shell Ca, Ni and Sn isotopes from Bogoliubov coupled-cluster theory A. Tichai🇩🇪 · P. Demol🇧🇪 · T. Duguet🇫🇷	nucl-th	PLB	47
Feb 17, 2023#52302.08373	Eigenvector continuation for the pairing Hamiltonian Margarida Companys Franzke🇩🇪 · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪	nucl-th	PRC	16
Nov 30, 2022#32211.16262	Normal ordering of three-nucleon interactions for ab initio calculations of heavy nuclei K. Hebeler🇩🇪 · V. Durant🇩🇪 · J. Hoppe · M. Heinz🇩🇪 · A. Schwenk🇩🇪 · J. Simonis🇩🇪 · A. Tichai🇩🇪	nucl-th	PRC	47
Jul 5, 2022#72207.01438	Combining the in-medium similarity renormalization group with the density matrix renormalization group: Shell structure and information entropy A. Tichai🇩🇪 · S. Knecht · A.T. Kruppa🇭🇺 · Ö. Legeza🇭🇺 · C.P. Moca · A. Schwenk🇩🇪 · M.A. Werner · G. Zarand	nucl-th	PLB	63
May 23, 2022#22205.10087	Least-square approach for singular value decompositions of scattering problems A. Tichai🇩🇪 · P. Arthuis🇩🇪 · K. Hebeler🇩🇪 · M. Heinz🇩🇪 · J. Hoppe🇩🇪 · A. Schwenk🇩🇪 · L. Zurek🇩🇪	nucl-th	PRC	9
Feb 3, 2022#32202.01105	Nuclear Forces for Precision Nuclear Physics -- a collection of perspectives Ingo Tews🇺🇸 · Zohreh Davoudi🇺🇸 · Andreas Ekström🇸🇪 · Jason D. Holt🇨🇦 · Kevin Becker🇺🇸 · Raúl Briceño🇺🇸 · David J. Dean🇺🇸 · William Detmold🇺🇸 · Christian Drischler🇺🇸 · Thomas Duguet🇫🇷 · Evgeny Epelbaum🇩🇪 · Ashot Gasparyan🇩🇪 · Jambul Gegelia🇬🇪 · Jeremy R. Green🇮🇪 · Harald W. Grießhammer🇺🇸 · Andrew D. Hanlon🇺🇸 · Matthias Heinz🇩🇪 · Heiko Hergert🇺🇸 · Martin Hoferichter🇨🇭 · Marc Illa🇺🇸 · David Kekejian🇺🇸 · Alejandro Kievsky🇮🇹 · Sebastian König🇺🇸 · Hermann Krebs🇩🇪 · Kristina D. Launey🇺🇸	nucl-th	Few Body Syst.	66
Jan 20, 2022#12201.07298	Angular-momentum projection in coupled-cluster theory: structure of $^{34}$ Mg G. Hagen🇺🇸 · S. J. Novario🇺🇸 · Z. H. Sun🇺🇸 · T. Papenbrock🇺🇸 · G. R. Jansen🇺🇸 · J. G. Lietz🇺🇸 · T. Duguet🇫🇷 · A. Tichai🇩🇪	nucl-th	PRC	93
Oct 19, 2021#52110.09390	Importance truncation for the in-medium similarity renormalization group J. Hoppe🇩🇪 · A. Tichai🇩🇪 · M. Heinz🇩🇪 · K. Hebeler🇩🇪 · A. Schwenk🇩🇪	nucl-th	PRC	8
Aug 9, 2021#12108.02824	Excited states from eigenvector continuation: the anharmonic oscillator Margarida Companys Franzke🇩🇪 · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪	nucl-th	PLB	27

Balancing theory uncertainties in ab initio nuclear structure calculations: Many-body truncation versus finite basis size
L. Zurek🇫🇷 · U. Vernik🇩🇪 · P. Demol🇧🇪 · T. Duguet🇫🇷 · M. Frosini🇫🇷 · A. Tichai🇩🇪
Aug 20, 20262608.18975nucl-th1 citation
High-precision ab initio calculations of nuclear binding energies: Tin isotopes from dripline to dripline
Urban Vernik🇩🇪 · Pepijn Demol🇧🇪 · Thomas Duguet🇫🇷 · Alexander Tichai🇩🇪
Jul 7, 20262607.05086nucl-th5 citations
High-order perturbative calculations of nuclear ground states: Automated evaluation of many-body diagrams
Zhen Li🇩🇪 · Alexander Tichai🇩🇪 · Achim Schwenk🇩🇪 · Nadezda A. Smirnova🇫🇷
Jul 2, 20262607.00119nucl-th2 citations
Ab initio calculations of nuclear charge radii across and beyond $^{132}$ Sn: Putting chiral EFT nuclear interactions to the test
Pepijn Demol🇧🇪 · Urban Vernik🇩🇪 · Thomas Duguet🇫🇷 · Alexander Tichai🇩🇪
Feb 26, 20262602.22030nucl-thPLB8 citations
From closed shells to open shells: Coupled-cluster calculations of atomic nuclei
F. Marino🇩🇪 · F. Bonaiti🇺🇸 · P. Demol🇧🇪 · S. Bacca🇩🇪 · T. Duguet🇫🇷 · G. Hagen🇺🇸 · G. R. Jansen🇺🇸 · T. Papenbrock🇺🇸 · A. Tichai🇩🇪
Dec 22, 20252512.17311nucl-thPRC6 citations
Ab initio calculations of monopole sum rules: From finite nuclei to infinite nuclear matter
Francesca Bonaiti🇺🇸 · Andrea Porro🇩🇪 · Sonia Bacca🇩🇪 · Achim Schwenk🇩🇪 · Alexander Tichai🇩🇪
Nov 21, 20252511.15836nucl-thPRC6 citations
Hartree-Fock emulators for nuclei: Application to charge radii of $^{48, 52}$ Ca
Margarida Companys Franzke · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪
Oct 10, 20252510.08362nucl-thPRC8 citations
Impact of ground-state correlations on the multipole response of nuclei: Ab initio calculations of moment operators
Andrea Porro🇩🇪 · Achim Schwenk🇩🇪 · Alexander Tichai🇩🇪
Jul 29, 20252507.20665nucl-thPRC6 citations
Bayesian approach for many-body uncertainties in nuclear structure: Many-body perturbation theory for finite nuclei
Isak Svensson🇩🇪 · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪
Jul 15, 20252507.09079nucl-thPRC13 citations
Revealing the harmonic structure of nuclear two-body correlations in high-energy heavy-ion collisions
Thomas Duguet🇫🇷 · Giuliano Giacalone🇨🇭 · Sangyong Jeon🇨🇦 · Alexander Tichai🇩🇪
Apr 4, 20252504.02481nucl-thPRL27 citations
Improved structure of calcium isotopes from ab initio calculations
M. Heinz🇩🇪 · T. Miyagi🇩🇪 · S. R. Stroberg🇺🇸 · A. Tichai🇩🇪 · K. Hebeler🇩🇪 · A. Schwenk🇩🇪
Nov 26, 20242411.16014nucl-thPRC54 citations
Recent advances in coupled cluster computations of open-shell atomic nuclei
Francesco Marino🇩🇪 · Francesca Bonaiti🇺🇸 · Sonia Bacca🇩🇪 · Pepijn Demol🇧🇪 · Thomas Duguet🇫🇷 · Gaute Hagen🇺🇸 · Gustav Jansen🇺🇸 · Alexander Tichai🇩🇪
Oct 28, 20242410.19511nucl-thEPJ Web Conf.2 citations
Ab initio Bogoliubov many-body perturbation theory: closed-form constraint on the average particle number
Pepijn Demol🇧🇪 · Thomas Duguet🇫🇷 · Alexander Tichai🇩🇪
Jul 25, 20242407.16841nucl-thEPJA1 citation
Impact of correlations on nuclear binding energies
Alberto Scalesi🇫🇷 · Thomas Duguet🇫🇷 · Pepijn Demol🇧🇪 · Mikael Frosini🇫🇷 · Vittorio Somà🇫🇷 · Alexander Tichai🇩🇪
Jun 7, 20242406.03545nucl-thEPJA15 citations
Spectroscopy of N=50 isotones with the valence-space density matrix renormalization group
A. Tichai🇩🇪 · K. Kapás · T. Miyagi🇩🇪 · M. A. Werner🇭🇺 · Ö. Legeza🇭🇺 · A. Schwenk🇩🇪 · G. Zarand
Mar 1, 20242402.18723nucl-thPLB25 citations
Randomized Low-Rank Decompositions of Nuclear Three-Body Interactions
A. Tichai🇩🇪 · P. Arthuis🇩🇪 · K. Hebeler🇩🇪 · M. Heinz🇩🇪 · J. Hoppe · T. Miyagi🇯🇵 · A. Schwenk🇩🇪 · L. Zurek🇫🇷
Jul 31, 20232307.15572nucl-thPRResearch11 citations
Towards heavy-mass ab initio nuclear structure: Open-shell Ca, Ni and Sn isotopes from Bogoliubov coupled-cluster theory
A. Tichai🇩🇪 · P. Demol🇧🇪 · T. Duguet🇫🇷
Jul 31, 20232307.15619nucl-thPLB47 citations
Eigenvector continuation for the pairing Hamiltonian
Margarida Companys Franzke🇩🇪 · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪
Feb 17, 20232302.08373nucl-thPRC16 citations
Normal ordering of three-nucleon interactions for ab initio calculations of heavy nuclei
K. Hebeler🇩🇪 · V. Durant🇩🇪 · J. Hoppe · M. Heinz🇩🇪 · A. Schwenk🇩🇪 · J. Simonis🇩🇪 · A. Tichai🇩🇪
Nov 30, 20222211.16262nucl-thPRC47 citations
Combining the in-medium similarity renormalization group with the density matrix renormalization group: Shell structure and information entropy
A. Tichai🇩🇪 · S. Knecht · A.T. Kruppa🇭🇺 · Ö. Legeza🇭🇺 · C.P. Moca · A. Schwenk🇩🇪 · M.A. Werner · G. Zarand
Jul 5, 20222207.01438nucl-thPLB63 citations
Least-square approach for singular value decompositions of scattering problems
A. Tichai🇩🇪 · P. Arthuis🇩🇪 · K. Hebeler🇩🇪 · M. Heinz🇩🇪 · J. Hoppe🇩🇪 · A. Schwenk🇩🇪 · L. Zurek🇩🇪
May 23, 20222205.10087nucl-thPRC9 citations
Nuclear Forces for Precision Nuclear Physics -- a collection of perspectives
Ingo Tews🇺🇸 · Zohreh Davoudi🇺🇸 · Andreas Ekström🇸🇪 · Jason D. Holt🇨🇦 · Kevin Becker🇺🇸 · Raúl Briceño🇺🇸 · David J. Dean🇺🇸 · William Detmold🇺🇸 · Christian Drischler🇺🇸 · Thomas Duguet🇫🇷 · Evgeny Epelbaum🇩🇪 · Ashot Gasparyan🇩🇪 · Jambul Gegelia🇬🇪 · Jeremy R. Green🇮🇪 · Harald W. Grießhammer🇺🇸 · Andrew D. Hanlon🇺🇸 · Matthias Heinz🇩🇪 · Heiko Hergert🇺🇸 · Martin Hoferichter🇨🇭 · Marc Illa🇺🇸 · David Kekejian🇺🇸 · Alejandro Kievsky🇮🇹 · Sebastian König🇺🇸 · Hermann Krebs🇩🇪 · Kristina D. Launey🇺🇸
Feb 3, 20222202.01105nucl-thFew Body Syst.66 citations
Angular-momentum projection in coupled-cluster theory: structure of $^{34}$ Mg
G. Hagen🇺🇸 · S. J. Novario🇺🇸 · Z. H. Sun🇺🇸 · T. Papenbrock🇺🇸 · G. R. Jansen🇺🇸 · J. G. Lietz🇺🇸 · T. Duguet🇫🇷 · A. Tichai🇩🇪
Jan 20, 20222201.07298nucl-thPRC93 citations
Importance truncation for the in-medium similarity renormalization group
J. Hoppe🇩🇪 · A. Tichai🇩🇪 · M. Heinz🇩🇪 · K. Hebeler🇩🇪 · A. Schwenk🇩🇪
Oct 19, 20212110.09390nucl-thPRC8 citations
Excited states from eigenvector continuation: the anharmonic oscillator
Margarida Companys Franzke🇩🇪 · Alexander Tichai🇩🇪 · Kai Hebeler🇩🇪 · Achim Schwenk🇩🇪
Aug 9, 20212108.02824nucl-thPLB27 citations

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