Geometric frustration in polygons of polariton condensates creating vortices of varying topological charge
Cookson, Tamsin, Kalinin, Kirill, Sigurdsson, Helgi, Töpfer, Julian D., Alyatkin, Sergey, Silva, Matteo, Langbein, Wolfgang, Berloff, Natalia G., Lagoudakis, Pavlos G.
Published in Nature communications (09.04.2021)
Published in Nature communications (09.04.2021)
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Observation of second-order meron polarization textures in optical microcavities
Król, Mateusz, Sigurdsson, Helgi, Rechcińska, Katarzyna, Oliwa, Przemysław, Tyszka, Krzystof, Bardyszewski, Witold, Opala, Andrzej, Matuszewski, Michał, Morawiak, Przemysław, Mazur, Rafał, Piecek, Wiktor, Kula, Przemysław, Lagoudakis, Pavlos G., Piętka, Barbara, Szczytko, Jacek
Published in Optica (20.02.2021)
Published in Optica (20.02.2021)
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Machine learning of phase transitions in nonlinear polariton lattices
Zvyagintseva, Daria, Sigurdsson, Helgi, Kozin, Valerii K., Iorsh, Ivan, Shelykh, Ivan A., Ulyantsev, Vladimir, Kyriienko, Oleksandr
Published in Communications physics (10.01.2022)
Published in Communications physics (10.01.2022)
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Laparostomy management using the ABThera™ open abdomen negative pressure therapy system in a grade IV open abdomen secondary to acute pancreatitis
Fitzgerald, James EF, Gupta, Shradha, Masterson, Sarah, Sigurdsson, Helgi H
Published in International wound journal (01.04.2013)
Published in International wound journal (01.04.2013)
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Optical trapping and tailoring of exciton-polariton condensates into macroscopic complexes
Published in Nature physics
(01.01.2024)
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Directional planar antennae in polariton condensates
Aristov, Denis, Baryshev, Stepan, Töpfer, Julian D., Sigurðsson, Helgi, Lagoudakis, Pavlos G.
Published in Applied physics letters (18.09.2023)
Published in Applied physics letters (18.09.2023)
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The BARD1 Cys557Ser variant and breast cancer risk in Iceland
Stacey, Simon N, Sulem, Patrick, Johannsson, Oskar T, Helgason, Agnar, Gudmundsson, Julius, Kostic, Jelena P, Kristjansson, Kristleifur, Jonsdottir, Thora, Sigurdsson, Helgi, Hrafnkelsson, Jon, Johannsson, Jakob, Sveinsson, Thorarinn, Myrdal, Gardar, Grimsson, Hlynur Niels, Bergthorsson, Jon T, Amundadottir, Laufey T, Gulcher, Jeffrey R, Thorsteinsdottir, Unnur, Kong, Augustine, Stefansson, Kari
Published in PLoS medicine (01.07.2006)
Published in PLoS medicine (01.07.2006)
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Observation of spin precession resonance in a stirred quantum fluid of light
Gnusov, Ivan, Baryshev, Stepan, Sigurđsson, Helgi, Sitnik, Kirill, Töpfer, Julian D., Alyatkin, Sergey, Lagoudakis, Pavlos G.
Published in Optica (20.08.2024)
Published in Optica (20.08.2024)
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Dirac exciton–polariton condensates in photonic crystal gratings
Sigurðsson, Helgi, Nguyen, Hai Chau, Nguyen, Hai Son
Published in Nanophotonics (Berlin, Germany) (20.08.2024)
Published in Nanophotonics (Berlin, Germany) (20.08.2024)
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Vacuum-Assisted Closure for Successful Treatment of a Major Contaminated Gunshot Chest-Wound: A Case Report
Gudbjartsson, Tomas, Sigurdsson, Helgi K., Sigurdsson, Engilbert, Kjartansson, Jens
Published in European journal of trauma and emergency surgery (Munich : 2007) (01.10.2008)
Published in European journal of trauma and emergency surgery (Munich : 2007) (01.10.2008)
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Indicators of Prognosis in Node-Negative Breast Cancer
Sigurdsson, Helgi, Baldetorp, Bo, Borg, Åke, Dalberg, Mats, Fernö, Mårten, Killander, Dick, Olsson, Håkan
Published in The New England journal of medicine (12.04.1990)
Published in The New England journal of medicine (12.04.1990)
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Magneto-optical induced supermode switching in quantum fluids of light
Furman, Magdalena, Mirek, Rafał, Król, Mateusz, Pacuski, Wojciech, Sigurðsson, Helgi, Szczytko, Jacek, Piętka, Barbara
Published in Communications physics (01.08.2023)
Published in Communications physics (01.08.2023)
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Non-Hermitian polariton–photon coupling in a perovskite open microcavity
Kędziora, Mateusz, Król, Mateusz, Kapuściński, Piotr, Sigurðsson, Helgi, Mazur, Rafał, Piecek, Wiktor, Szczytko, Jacek, Matuszewski, Michał, Opala, Andrzej, Piętka, Barbara
Published in Nanophotonics (Berlin, Germany) (03.06.2024)
Published in Nanophotonics (Berlin, Germany) (03.06.2024)
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Journal Article
Quantum vortex formation in the "rotating bucket" experiment with polariton condensates
Gnusov, Ivan, Harrison, Stella, Alyatkin, Sergey, Sitnik, Kirill, Töpfer, Julian, Sigurdsson, Helgi, Lagoudakis, Pavlos
Published in Science advances (27.01.2023)
Published in Science advances (27.01.2023)
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Stenting for colorectal cancer obstruction in Icelandic patients
Ásbjarnardóttir, Margrét Guðrún, Valsdóttir, Elsa Björk, Sigurðsson, Helgi Kjartan, Möller, Páll Helgi
Published in Laeknabladid (03.12.2020)
Published in Laeknabladid (03.12.2020)
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Allowing normal food at will after major upper gastrointestinal surgery does not increase morbidity: a randomized multicenter trial
Lassen, Kristoffer, Kjaeve, Jørn, Fetveit, Torunn, Tranø, Gerd, Sigurdsson, Helgi Kjartan, Horn, Arild, Revhaug, Arthur
Published in Annals of surgery (01.05.2008)
Published in Annals of surgery (01.05.2008)
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c-myc amplification is an independent prognostic factor in postmenopausal breast cancer
Borg, A, Baldetorp, B, Fernö, M, Olsson, H, Sigurdsson, H
Published in International journal of cancer (09.07.1992)
Published in International journal of cancer (09.07.1992)
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Journal Article
Parental origin of sequence variants associated with complex diseases
Gudjonsson, Sigurjon A, Sigurdsson, Helgi, Kristinsson, Kari Th, Sigurdsson, Asgeir, Hreidarsson, Astradur B, Masson, Gisli, Ferguson-Smith, Anne C, Frigge, Michael L, Jonsson, Thorvaldur, Stacey, Simon N, Olafsson, Jon H, Benediktsdottir, Kristrun R, Gudbjartsson, Daniel F, Besenbacher, Soren, Gylfason, Arnaldur, Sigurgeirsson, Bardur, Olason, Pall I, Sverrisson, Sverrir, Stefansson, Kari, Johannsson, Oskar Th, Thorsteinsdottir, Unnur, Benediktsson, Rafn, Thorleifsson, Gudmar, Kong, Augustine, Steinthorsdottir, Valgerdur, Sulem, Patrick, Jonasdottir, Aslaug, Jonasdottir, Adalbjorg, Sigurdsson, Gunnar
Published in Nature (London) (17.12.2009)
Published in Nature (London) (17.12.2009)
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