Preprints:
M. Płodzień, T. Wasak, E. Witkowska, M. Lewenstein, J. Chwedeńczuk, Generation of scalable many-body Bell correlations in spin chains with short-range two-body interactions, arXiv:2306.06173
Published:
T. Hernandez Yanes, G. Zlabys, M. Płodzień, D. Burba, M. Mackoit Sinkeviciene, E. Witkowska,G. Juzeliunas, Spin squeezing in open Heisenberg spin chain, Phys. Rev. B 108, 104301 (2023)
M. Dziurawiec, T. Hernandez Yanes, M. Płodzień, M. Gajda, M. Lewenstein, E. Witkowska, Accelerating many-body entanglement generation by dipolar interactions in the Bose-Hubbard model, Phys. Rev. A 107, 013311 (2023)
M. Płodzień, M. Lewenstein, E. Witkowska, J. Chwedeńczuk, One-axis twisting as a method of generating many-body Bell correlations, Phys. Rev. Lett. 129, 250402 (2022)
see also the popular notes in Polish
T. Hernandez Yanes, M. Płodzień, M. Mackoit Sinkeviciene, G. Zlabys, G. Juzeliunas, E. Witkowska, One- and two-axis squeezing via laser coupling in an atomic Fermi-Hubbard model, Phys. Rev. Lett. 129, 090403 (2022)
see also the popular notes in Polish, English and Lithuanian
Enes Aybar, Artur Niezgoda, Safoura S. Mirkhalaf, Morgan W. Mitchell, Daniel Benedicto Orenes, Emilia Witkowska, Critical quantum thermometry and its feasibility in spin systems, Quantum 6, 808 (2022)
Safoura S. Mirkhalaf, Daniel Benedicto Orenes, Morgan M. Mitchell, Emilia Witkowska, Criticality-enhanced quantum sensing in ferromagnetic Bose-Einstein condensates: role of readout measurement and detection noise, Phys. Rev. A 103, 023317 (2021).
Joanna Pietraszewicz, Aleksandra Seweryn, Emilia Witkowska, Multifaceted phase ordering kinetics of an antiferromagnetic spin-1 condensate, Scientific Reports, 11, 9296 (2021)
Safoura S. Mirkhalaf, Emilia Witkowska, Luca Lepori, Supersensitive quantum sensor based on criticality in an antiferromagnetic spinor condensate, Phys. Rev. A 101, 043609 (2020).
A. Niezgoda, Safoura S. Mirkhalaf, Emilia Witkowska, Twist-and-store entanglement in bimodal and spin-1 Bose-Einstein condensates, Phys. Rev. A 102, 053315 (2020).
M. Płodzień, M. Kościelski, E. Witkowska, A. Sinatra, Producing and storing spin-squeezed states and Greenberger-Horne-Zeilinger states in a one-dimensional optical lattice, Phys. Rev. A 102, 013328 (2020). Editors' Suggestion
Artur Niezgoda, Dariusz Kajtoch, Joanna Dziekańska and Emilia Witkowska, Optimal quantum interferometry robust to detection noise using spin-1 atomic condensates, New J. Phys. 21 093037 (2019).
Daniel Benedicto Orenes, Anna U. Kowalczyk, Emilia Witkowska, Giovanni Barontini, Exploring the thermodynamics of spin-1 87Rb Bose Gases with synthetic magnetization, New J. Phys. 21 043024 (2019).
D. Kajtoch, E. Witkowska, A. Sinatra, Adiabaticity when raising a uniform 3D optical lattice in a bimodal Bose-Einstein condensate, Phys. Rev. A 98, 023621 (2018).
A. Niezgoda, D. Kajtoch, E. Witkowska, Efficient two-mode interferometers with spinor Bose-Einstein condensates, Phys. Rev. A 98, 013610 (2018).
D. Kajtoch, E. Witkowska, A. Sinatra, Spin-squeezed atomic crystal, EPL 123, 20012 (2018).
T. Swisłocki, A. Zembrzuski, M. Matuszewski, E. Witkowska, Dynamic hysteresis from bistability in an antiferromagnetic spinor condensate, Phys. Rev. A 97, 033629 (2018).
D. Kajtoch, K. Pawłowski, E. Witkowska, Metrologically useful states of spin-1 Bose condensates with macroscopic magnetization, Phys. Rev. A 97, 023616 (2018).
J. Pietraszewicz, E. Witkowska, P. Deuar, Continuum of classical-field ensembles from canonical to grand canonical and the onset of their equivalence, Phys. Rev. A 96, 033612 (2017).
T. Swisłocki, E. Witkowska, M. Matuszewski, Non-adiabatic quantum phase transition in a trapped spinor condensate, Phys. Rev. A, 94, 043635 (2016); A figure from the paper was selected for the journal Kaleidoscope.
D. Kajtoch, E. Witkowska, Spin squeezing in dipolar spinor condensates, Phys. Rev. A, 93, 023627 (2016).
D. Kajtoch, K. Pawłowski, E. Witkowska, Entanglement storage by classical fixed points in the two-axis countertwisting model, Phys. Rev. A, 93, 022331 (2016); A figure from the paper was selected for the journal Kaleidoscope.
D. Kajtoch, E. Witkowska, Quantum dynamics generated by the two-axis countertwisting Hamiltonian, Phys. Rev. A 92, 013623 (2015).
Guillaume Lang and Emilia Witkowska, Thermodynamics of a spin-1 Bose gas with fixed magnetization, Phys. Rev. A 90, 043609 (2014).
Emilia Witkowska, Tomasz Świsłocki, Michał Matuszewski, Thermal fluctuations and quantum phase transition in antiferromagnetic Bose-Einstein condensates, Phys. Rev. A 90, 033604 (2014).
M. Matuszewski, E. Witkowska, Universality in nonequilibrium condensation of exciton polaritons, Phys. Rev. B 89, 155318 (2014).
E. Witkowska, J. Dziarmaga, T. Świsłocki, M. Matuszewski, Dynamics of the modified Kibble-Żurek mechanism in antiferromagnetic spin-1 condensates, Phys. Rev. B 88, 054508 (2013).
A. Sinatra, Y. Castin, E. Witkowska, Limit of spin squeezing in trapped Bose-Einstein condensates, Europhys. Lett. 102, 40001 (2013).
T. Świsłocki, E. Witkowska, J. Dziarmaga, M. Matuszewski, Double universality of a quantum phase transition in spinor condensates: Modification of the Kibble-Żurek mechanism by a conservation law, Phys. Rev. Lett. 110, 045303 (2013).
T. Karpiuk, P. Deuar, P. Bienias, E. Witkowska, K. Pawłowski, M. Gajda, K. Rzążewski, M. Brewczyk, Spontaneous solitons in the thermal equilibrium of a quasi-one-dimensional Bose gas, Phys. Rev. Lett. 109, 205302 (2012).
A. Sinatra, E. Witkowska, Y. Castin, Spin Squeezing in Finite Temperature Bose-Einstein Condensates : Scaling with the system size, EPJ ST 203, 87-116 (2012).
A. Sinatra, Y. Castin, I. Carusotto, C. Lobo, E. Witkowska, Number-conserving stochastic approaches for equilibrium and time dependent Bose gases, chapter in ''Quantum Gases: Finite Temperature and Non-equilibrium Dynamics (Vol.1 Cold Atoms Series)”, Eds. N.P. Proukakis, S.A. Gardiner, M.J. Davis, N. Nygaard, M.H. Szymanska (Imperial College Press, London, 2012).
A. Sinatra, E. Witkowska, J.-C. Dornstetter, Yun Li, Y. Castin, Limit of Spin Squeezing in Finite-Temperature Bose-Einstein Condensates, Phys. Rev. Lett. 107, 060404 (2011).
E. Witkowska, P. Deuar, M. Gajda, K. Rzążewski, Solitons as the Early Stage of Quasicondensate Formation during Evaporative Cooling, Phys. Rev. Lett. 106, 135301 (2011). A figure from the paper was selected for the journal cover.
E. Witkowska, M. Gajda, K. Rzążewski, Monte Carlo method, classical fields and Bose statistics, Optics Communications 283, 671 (2010).
A. Sinatra, Y. Castin, E. Witkowska, Coherence time of a Bose-Einstein condensate, Phys. Rev. A 80, 033614 (2009). Selected by Virtual Journal of Atomic Quantum Fluids.
E. Witkowska, M. Gajda, K. Rzążewski, Bose statistics and classical fields, Phys. Rev. A 79, 033631 (2009).
E. Witkowska, P. Ziń, M. Gajda, Classical fields method for a relativistic interacting Bose gas, Phys. Rev. D 79, 025003 (2009).
A. Sinatra, Y. Castin, E. Witkowska, Non-diffusive phase spreading of a Bose-Einstein condensate at finite temperature, Phys. Rev. A 75, 033616 (2007).
E. Witkowska, M. Gajda, M. Mostowski, From a nonlinear string to a weakly interacting Bose gas, J. Phys. B: At. Mol. Opt. Phys. 40, 1 (2007).
T. M. Hanna, K. Góral, E. Witkowska, T. Kohler, Classification of zero-energy resonances by dissociation of Feshbach molecules, Phys. Rev. A 74, 023618 (2006).
E. Witkowska, M. Brewczyk, Dynamics of quasisolitons in degenerate fermionic gases, Phys. Rev. A 72, 023606 (2005).