Few-Body Problems
Theory Group
Institute of Physics, Polish Academy of Sciences
Under review
D. K. Nandy, T. Sowiński
Sudden quench of harmonically trapped mass-imbalanced fermions
D. Pęcak, T. Sowiński
Unconventional pairing in few-fermion systems at finite temperature
2022
D. Włodzyński
Several fermions strongly interacting with a heavy mobile impurity in a one-dimensional harmonic trap
T. Sowiński, M. A. Garcia-March
Fundamental limitations of the eigenvalue continuation approach
L. Glöggler et al. (AEgIS Collaboration)
High-resolution MCP-TimePix3 imaging/timing detector for antimatter physics
P. Łydżba, T. Sowiński
Signatures of quantum chaos in low-energy mixtures of few fermions
2021
D. Włodzyński, T. Sowiński
Few strongly interacting fermions of different mass driven in the vicinity of a critical point
J. Dobrzyniecki, G. Orso, T. Sowiński
Unconventional pairing in few-fermion systems tuned by external confinement
T. Sowiński
Few-body perspective on fermionic pairing in one spatial dimension
P. Kościk, A. Kuroś, A. Pieprzycki, T. Sowiński
Pair-correlation ansatz for the ground state of interacting bosons in an arbitrary one-dimensional potential
D. Nandy, T. Sowiński
Dynamical resistivity of a few interacting fermions to the time-dependent potential barrier
J. Dobrzyniecki, T. Sowiński
Two Rydberg-dressed atoms escaping from an open well
2020
M. Gajda, J. Mostowski, M. Pylak, T. Sowiński, M. Załuska-Kotur
Pauli crystals -- interplay of symmetries
S. Sarkar, T. Sowiński
Correlations in few two-component quantum walkers on a tilted lattice
P. Kościk, T. Sowiński
Variational ansatz for p-wave fermions confined in a one-dimensional harmonic trap
S. Sarkar, Ch. Mukhopadhyay, A. Bayat
Characterization of an operational quantum resource in a critical many-body system
F. Giacosa, P. Kościk, T. Sowiński
Capturing non-exponential dynamics in the presence of two decay channels
S. Sarkar, S. McEndoo, D. Schneble, A. J. Daley
Interspecies entanglement with impurity atoms in a lattice gas
P. Wrzosek, K. Wohlfeld, D. Hofman, T. Sowiński, M. A. Sentef
Quantum walk versus classical wave: Distinguishing ground states of quantum magnets by spacetime dynamics
J. Dobrzyniecki, T. Sowiński
Simulating artificial one-dimensional physics with ultra-cold fermionic atoms: three exemplary themes
D. Nandy, T. Sowiński
Dynamical properties of a few mass-imbalanced ultra-cold fermions confined in a double-well potential
D. K. Nandy, M. Haque, A. E. B. Nielsen
Few-particle dynamics of fractional quantum Hall lattice models
D. Pęcak, T. Sowiński
Signatures of unconventional pairing in spin-imbalanced one-dimensional few-fermion systems
P. Łydżba, T. Sowiński
Unconventional pairing in one-dimensional systems of a few mass-imbalanced ultra-cold fermions
D. Włodzyński, D. Pęcak, T. Sowiński
Geometry-induced entanglement in a mass-imbalanced few-fermion system
2019
A. Chrostowski, T. Sowiński
Efficient construction of many-body Fock states having the lowest energies
T. Sowiński, M. Á. García-March
One-dimensional mixtures of several ultracold atoms: a review
P. Kościk, T. Sowiński
Exactly solvable model of two interacting Rydberg-dressed atoms confined in a two-dimensional harmonic trap
J. Dobrzyniecki, T. Sowiński
Momentum correlations of a few ultra-cold bosons escaping from an open well
D. Pęcak, T. Sowiński
Inter-component correlations in attractive one-dimensional mass-imbalanced few-body mixtures
2018
P. Kościk, M. Płodzień, T. Sowiński
Variational approach for interacting ultra-cold atoms in arbitrary one-dimensional confinement
J. Dobrzyniecki, T. Sowiński
Dynamics of a few interacting bosons escaping from an open well
M. Płodzień, R. Demkowicz-Dobrzański, T. Sowiński
Few-fermion thermometry
M. Płodzień, T. Sowiński, S. Kokkelmans
Simulating polaron biophysics with Rydberg atoms
T. Sowiński
Ground-state magnetization in mixtures of a few ultra-cold fermions in one-dimensional traps
X. Li, D. Pęcak, T. Sowiński, J. Sherson, A. E. B. Nielsen
Global optimization for quantum dynamics of few-fermion systems
J. Dobrzyniecki, X. Li, A. E. B. Nielsen, T. Sowiński
Effective three-body interactions for bosons in a double-well confinement
P. Kościk, T. Sowiński
Exactly solvable model of two trapped quantum particles interacting via finite-range soft-core interactions
J. Dobrzyniecki, T. Sowiński
Effective two-mode description of a few ultra-cold bosons in a double-well potential
2017
D. Pęcak, M. Gajda, T. Sowiński
Experimentally accessible invariants encoded in interparticle correlations of harmonically trapped ultra-cold few-fermion mixtures
D. Rakshit, J. Mostowski, T. Sowiński, M. Załuska-Kotur, M. Gajda
On the observability of Pauli crystals in experiments with ultracold trapped Fermi gases
D. Wiater, T. Sowiński, J. Zakrzewski
Two bosonic quantum walkers in one-dimensional optical lattices
D. Pęcak, A. S. Dehkharghani, N. T. Zinner, T. Sowiński
Four fermions in a one-dimensional harmonic trap: Accuracy of a variational-ansatz approach
2016
D. Pęcak, T. Sowiński
Few strongly interacting ultracold fermions in one-dimensional traps of different shapes
M. Gajda, J. Mostowski, T. Sowiński, M. Załuska-Kotur
Single shot imaging of trapped Fermi gas
J. Dobrzyniecki, T. Sowiński
Exact dynamics of two ultra-cold bosons confined in a one-dimensional double-well potential
T. Sowiński, M. Gajda, K. Rzążewski
Diffusion in a system of a few distinguishable fermions in a one-dimensional double-well potential
D. Pęcak, M. Gajda, T. Sowiński
Two-flavor mixture of a few fermions of different mass in a one-dimensional harmonic trap
2015
T. Sowiński, R. W. Chhajlany, O. Dutta, L. Tagliacozzo, M. Lewenstein
Criticality in the Bose-Hubbard model with three-body repulsion
T. Sowiński
Slightly Imbalanced System of a Few Attractive Fermions in a One-Dimensional Harmonic Trap
O. Dutta, M. Gajda, P. Hauke, M. Lewenstein, D.-S. Lühmann, B. A. Malomed, T. Sowiński, J. Zakrzewski
Non-standard Hubbard models in optical lattices: a review
T. Sowiński
Quantum phase transition in a shallow one-dimensional optical lattice
T. Sowiński, M. Gajda, K. Rzążewski
Pairing in a system of a few attractive fermions in a harmonic trap
T. Karpiuk, T. Sowiński, M. Gajda, K. Rzążewski, M. Brewczyk
Correspondence between dark solitons and the type II excitations of Lieb-Liniger model
2014
A. Barasiński, W. Leoński, T. Sowiński
Ground-state entanglement of spin-1 bosons undergoing superexchange interactions in optical superlattices
T. Sowiński
One-dimensional Bose-Hubbard model with pure three-body interactions
T. Sowiński, R. W. Chhajlany
Mean-field approaches to the Bose-Hubbard model with three-body local interaction
2013
T. Sowiński, M. Łącki, O. Dutta, J. Pietraszewicz, P. Sierant, M. Gajda, J. Zakrzewski, M. Lewenstein
Tunneling-Induced Restoration of the Degeneracy and the Time-Reversal Symmetry Breaking in Optical Lattices
T. Sowiński, T. Grass, O. Dutta, M. Lewenstein
Few interacting fermions in a one-dimensional harmonic trap
J. Pietraszewicz, T. Sowiński, M. Brewczyk, M. Lewenstein, M. Gajda
Spin dynamics of two bosons in an optical lattice site: a role of anharmonicity and anisotropy of the trapping potential
O. Dutta, T. Sowiński, M. Lewenstein
Orbital physics of polar Fermi molecules