Search Results - "Sikora, Olga"

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  1. 1

    Seeing the light: Experimental signatures of emergent electromagnetism in a quantum spin ice by Benton, Owen, Sikora, Olga, Shannon, Nic

    “…The "spin-ice" state found in the rare-earth pyrochlore magnets Ho sub(2) Ti sub(2) O sub(7) and Dy sub(2) Ti sub(2) O sub(7) offers a beautiful realization of…”
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    Journal Article
  2. 2

    Variational Monte Carlo simulations using tensor-product projected states by Sikora, Olga, Chang, Hsueh-Wen, Chou, Chung-Pin, Pollmann, Frank, Kao, Ying-Jer

    “…We propose an efficient numerical method, which combines the advantages of recently developed tensor-network based methods and standard trial wave functions,…”
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    Journal Article
  3. 3

    Density functional theory study of Au-fcc/Ge and Au-hcp/Ge interfaces by Sikora, Olga, Sternik, Małgorzata, Jany, Benedykt R, Krok, Franciszek, Piekarz, Przemysław, Oleś, Andrzej M

    “…In recent years, nanostructures with hexagonal polytypes of gold have been synthesised, opening new possibilities in nanoscience and nanotechnology. As bulk…”
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    Journal Article
  4. 4

    Quantum ice: a quantum Monte Carlo study by Shannon, Nic, Sikora, Olga, Pollmann, Frank, Penc, Karlo, Fulde, Peter

    Published in Physical review letters (10-02-2012)
    “…Ice states, in which frustrated interactions lead to a macroscopic ground-state degeneracy, occur in water ice, in problems of frustrated charge order on the…”
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    Journal Article
  5. 5

    Quantum liquid with deconfined fractional excitations in three dimensions by Sikora, Olga, Pollmann, Frank, Shannon, Nic, Penc, Karlo, Fulde, Peter

    Published in Physical review letters (11-12-2009)
    “…Excitations which carry "fractional" quantum numbers are known to exist in one dimension in polyacetylene, and in two dimensions, in the fractional quantum…”
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    Journal Article
  6. 6
  7. 7

    Spin and mixed spin-and-orbital excitations in LaMnO 3 by Sikora, Olga, Oleś, Andrzej M.

    Published in Physica. B, Condensed matter (2006)
    “…We investigate the stability of antiferromagnetic phases at Hund's exchange coupling between two e g electrons J H = 0 in a model of LaMnO 3, and derive spin…”
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    Journal Article
  8. 8

    Density functional theory study of experimentally observed Au/Ge interfaces by Sikora, Olga, Sternik, Małgorzata, Jany, Benedykt R, Krok, Franciszek, Piekarz, Przemysław, Oleś, Andrzej M

    Published 22-12-2022
    “…In recent years, nanostructures with hexagonal polytypes of gold have been synthesised, opening new possibilities in nanoscience and technology. As bulk gold…”
    Get full text
    Journal Article
  9. 9

    Seeing the light: Experimental signatures of emergent electromagnetism in a guantum spin ice by Benton, Owen, Sikora, Olga, Shannon, Nic

    “…The "spin-ice" state found in the rare-earth pyrochlore magnets Ho sub(2) Ti sub(2) O sub(7) and Dy sub(2) Ti sub(2) O sub(7) offers a beautiful realization of…”
    Get full text
    Journal Article
  10. 10

    Spin and mixed spin-and-orbital excitations in LaMnO3 by SIKORA, Olga, OLES, Andrzej M

    Published in Physica. B, Condensed matter (01-05-2006)
    “…We investigate the stability of antiferromagnetic phases at Hund's exchange coupling between two eg electrons JH=0 in a model of LaMnO3, and derive spin and…”
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    Conference Proceeding Journal Article
  11. 11

    Origin of monoclinic distortion and its impact on the electronic properties in KO$_2 by Sikora, Olga, Gotfryd, Dorota, Ptok, Andrzej, Sternik, Małgorzata, Wohlfeld, Krzysztof, Oleś, Andrzej M, Piekarz, Przemysław

    Published 30-07-2020
    “…Phys. Rev. B 102, 085129 (2020) We use the density functional theory and lattice dynamics calculations to investigate the properties of potassium superoxide…”
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    Journal Article
  12. 12

    Extended quantum U ( 1 ) -liquid phase in a three-dimensional quantum dimer model by Sikora, Olga, Shannon, Nic, Pollmann, Frank, Penc, Karlo, Fulde, Peter

    “…Recently, quantum dimer models have attracted a great deal of interest as a paradigm for the study of exotic quantum phases. Much of this excitement has…”
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    Journal Article
  13. 13
  14. 14

    Magnetic order and excitations in half-doped manganites by Sikora, Olga, Oleś, Andrzej M.

    Published in Physica. B, Condensed matter (30-04-2005)
    “…We investigate possible ground states and spin excitations in the model of effective Mn–O–Mn polarons, for different values of magnetic interactions on a…”
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    Journal Article
  15. 15

    Classical and quantum theories of proton disorder in hexagonal water ice by Benton, Owen, Sikora, Olga, Shannon, Nic

    Published 31-03-2016
    “…Phys. Rev. B 93, 125143 (2016) It has been known since the pioneering work of Bernal, Fowler and Pauling that common, hexagonal (Ih) water ice is the archetype…”
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    Journal Article
  16. 16

    Electron-Following Mapping Transformations from the Electronegativity Equalization Principle by Nalewajski, Roman F, Sikora, Olga

    “…The so-called electron-following (EF) mapping relations for the closed molecular systems are derived within the charge sensitivity analysis (CSA) in atomic…”
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    Journal Article
  17. 17

    Seeing the light : experimental signatures of emergent electromagnetism in a quantum spin ice by Benton, Owen, Sikora, Olga, Shannon, Nic

    Published 10-08-2012
    “…Phys. Rev. B 86, 075154 (2012) The "spin ice" state found in the rare earth pyrochlore magnets Ho2Ti2O7 and Dy2Ti2O7 offers a beautiful realisation of…”
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    Journal Article
  18. 18

    Charge and orbital order in half-doped manganites by Sikora, Olga, Cuoco, Mario, Noce, Canio, Oleś, Andrzej M

    Published in Physica. B, Condensed matter (01-06-2002)
    “…We investigate the electronic properties and microscopic reasons of stability of the coexisting charge, magnetic and orbital ordering in half-doped manganites,…”
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    Journal Article
  19. 19

    Of chain-based order and quantum spin liquids in dipolar spin ice by McClarty, Paul, Sikora, Olga, Moessner, Roderich, Penc, Karlo, Pollmann, Frank, Shannon, Nic

    Published 29-07-2015
    “…Phys. Rev. B 92, 094418 (2015) Recent experiments on the spin-ice material Dy2Ti2O7 suggest that the Pauling "ice entropy", characteristic of its classical…”
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    Journal Article
  20. 20

    Variational Monte Carlo simulations using tensor-product projected states by Sikora, Olga, Chang, Hsueh-Wen, Chou, Chung-Pin, Pollmann, Frank, Kao, Ying-Jer

    Published 21-05-2015
    “…Phys. Rev. B 91, 165113 (2015) We propose an efficient numerical method, which combines the advantages of recently developed tensor-network based methods and…”
    Get full text
    Journal Article