Projects funded by the NCN

Information on the principal investigator and host institution

Information of the project and the call

Keywords

Equipment

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Spontaneous processes in ultracold gases at nonzero temperatures

2012/07/E/ST2/01389

Keywords:

ultra-cold gases quantum dynamics macroscopic quantum system solitons Bell inequality experiments Bose-Einstein condensate quasicondensate quantum quench positive-P representation quantum fluctuations spontaneous scattering one-dimensional gas correlated atomic pairs quantum gases stochastic equations Bogoliubov theory c-field methods superfluidity quantum correlations Bose enhancement BEC collision critical velocity coherence spin squeezing EPR paradox

Descriptors:

  • ST2_7: Atomic and molecular physics
  • ST2_15: Metrology and measurement methods
  • ST2_14: Non-linear phenomena

Panel:

ST2 - Fundamental constituents of matter: particle, nuclear, plasma, atomic, molecular, gas and optical physics

Host institution :

Instytut Fizyki PAN

woj. mazowieckie

Other projects carried out by the institution 

Principal investigator (from the host institution):

dr hab. Piotr Deuar 

Number of co-investigators in the project: 7

Call: SONATA BIS 2 - announced on 2012-09-15

Amount awarded: 1 458 086 PLN

Project start date (Y-m-d): 2013-07-11

Project end date (Y-m-d): 2019-07-10

Project duration:: 72 months (the same as in the proposal)

Project status: Project settled

Equipment purchased [PL]

  1. 3 x laptop (3 szt.) (6 361 PLN)
  2. 4 x komputery obliczeniowe (4 szt.) (46 000 PLN)
  3. 4 x monitory (4 szt.) (2 800 PLN)

Information in the final report

  • Publication in academic press/journals (15)
  1. Continuum of classical-field ensembles in Bose gases from canonical to grand canonical and the onset of their equivalence
    Authors:
    J. Pietraszewicz, E. Witkowska, P. Deuar
    Academic press:
    Physical Review A (rok: 2017, tom: 96, strony: 33612), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.96.033612 - link to the publication
  2. Efficient two-mode interferometers with spinor Bose-Einstein condensates
    Authors:
    A. Niezgoda, D. Kajtoch, E. Witkowska
    Academic press:
    Physical Review A (rok: 2018, tom: 98, strony: 13610), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.98.013610 - link to the publication
  3. Quantum dynamics of long-range interacting systems using the positive-P and gauge-P representations
    Authors:
    S. Wüster, J. F. Corney, J. M. Rost, P. Deuar
    Academic press:
    Physical Review E (rok: 2017, tom: 96, strony: 13309), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevE.96.013309 - link to the publication
  4. Classical fields in the one-dimensional Bose gas: Applicability and determination of the optimal cutoff
    Authors:
    J. Pietraszewicz, P. Deuar
    Academic press:
    Physical Review A (rok: 2018, tom: 98, strony: 23622), Wydawca: Americal Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.98.023622 - link to the publication
  5. Complex wave fields in the interacting one-dimensional Bose gas
    Authors:
    J. Pietraszewicz, P. Deuar
    Academic press:
    Physical Review A (rok: 2018, tom: 97, strony: 53607), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.97.053607 - link to the publication
  6. Mesoscopic density grains in a 1D interacting Bose gas from the exact Yang–Yang solution
    Authors:
    J. Pietraszewicz, P. Deuar
    Academic press:
    New Journal of Physics (rok: 2017, tom: 19, strony: 123010), Wydawca: IOP Publishing
    Status:
    Published
    DOI:
    10.1088/1367-2630/aa91c5 - link to the publication
  7. Anisotropy in s-wave Bose-Einstein condensate collisions and its relationship to superradiance
    Authors:
    P. Deuar, J.-C. Jaskula, M. Bonneau, V. Krachmalnicoff, D. Boiron, C. I. Westbrook, K. V. Kheruntsyan
    Academic press:
    Physical Review A (rok: 2014, tom: 90, strony: 33613), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.90.033613 - link to the publication
  8. Classical limit of entangled states of two angular momenta
    Authors:
    M. Kuś, J. Mostowski, J. Pietraszewicz
    Academic press:
    Physical Review A (rok: 2019, tom: 99, strony: 52112), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.99.052112 - link to the publication
  9. Multifaceted phase ordering kinetics of an antiferromagnetic spin-1 condensate
    Authors:
    J. Pietraszewicz, A. Seweryn, E. Witkowska
    Academic press:
    Scientific Reports (rok: 2021, tom: 11, strony: 9296), Wydawca: SpringerNature
    Status:
    Published
    DOI:
    10.1038/s41598-021-88454-7 - link to the publication
  10. Semiclassical field theory free of the ultraviolet catastrophe
    Authors:
    P. Deuar, J. Pietraszewicz
    Academic press:
    Physical Review X (rok: 2019, ), Wydawca: American Physical Society
    Status:
    Submitted
    DOI:
    brak - link to the publication
  11. A tractable prescription for large-scale free flight expansion of wavefunctions
    Authors:
    P. Deuar
    Academic press:
    Computer Physics Communications (rok: 2016, tom: 208, strony: 92-102), Wydawca: Elsevier Science BV
    Status:
    Published
    DOI:
    10.1016/j.cpc.2016.08.004 - link to the publication
  12. Classical field records of a quantum system: Their internal consistency and accuracy
    Authors:
    J. Pietraszewicz, P. Deuar
    Academic press:
    Physical Review A (rok: 2015, tom: 92, strony: 63620), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.92.063620 - link to the publication
  13. Correlation evolution in dilute Bose-Einstein condensates after quantum quenches
    Authors:
    J. Pietraszewicz, M. Stobińska, P. Deuar
    Academic press:
    Physical Review A (rok: 2019, tom: 99, strony: 23620), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.99.023620 - link to the publication
  14. Nonadiabatic quantum phase transition in a trapped spinor condensate
    Authors:
    T. Świsłocki, E. Witkowska, M. Matuszewski
    Academic press:
    Physical review A (rok: 2016, tom: 94, strony: 43635), Wydawca: American Physical Society
    Status:
    Published
    DOI:
    10.1103/PhysRevA.94.043635 - link to the publication
  15. Quantum fluctuation effects on the quench dynamics of thermal quasicondensates
    Authors:
    T. Świsłocki, P. Deuar
    Academic press:
    Journal of Physics B (rok: 2016, tom: 49, strony: 145303), Wydawca: IOP Publishing Ltd.
    Status:
    Published
    DOI:
    10.1088/0953-4075/49/14/145303 - link to the publication

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