Search Results - "Christensen, B N"

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  1. 1

    Direct observation of competition between superconductivity and charge density wave order in YBa2Cu3O6.67 by Chang, J., Blackburn, E., Holmes, A. T., Christensen, N. B., Larsen, J., Mesot, J., Liang, Ruixing, Bonn, D. A., Hardy, W. N., Watenphul, A., Zimmermann, M. v., Forgan, E. M., Hayden, S. M.

    Published in Nature physics (01-12-2012)
    “…X-ray diffraction experiments reveal that spatial charge ordering occurs in the pseudogap state of YBa 2 Cu 3 O 6.67 . Moreover, this charge ordered state…”
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  2. 2

    Unveiling Unequivocal Charge Stripe Order in a Prototypical Cuprate Superconductor by Choi, J, Wang, Q, Jöhr, S, Christensen, N B, Küspert, J, Bucher, D, Biscette, D, Fischer, M H, Hücker, M, Kurosawa, T, Momono, N, Oda, M, Ivashko, O, Zimmermann, M V, Janoschek, M, Chang, J

    Published in Physical review letters (20-05-2022)
    “…In the cuprates, high-temperature superconductivity, spin-density-wave order, and charge-density-wave (CDW) order are intertwined, and symmetry determination…”
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  3. 3

    Magnetic field controlled charge density wave coupling in underdoped YBa2Cu3O6+x by Chang, J., Blackburn, E., Ivashko, O., Holmes, A. T., Christensen, N. B., Hücker, M., Liang, Ruixing, Bonn, D. A., Hardy, W. N., Rütt, U., Zimmermann, M. v., Forgan, E. M., Hayden, S M

    Published in Nature communications (05-05-2016)
    “…The application of magnetic fields to layered cuprates suppresses their high-temperature superconducting behaviour and reveals competing ground states. In…”
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  4. 4

    Fractional excitations in the square-lattice quantum antiferromagnet by Dalla Piazza, B., Mourigal, M., Christensen, N. B., Nilsen, G. J., Tregenna-Piggott, P., Perring, T. G., Enderle, M., McMorrow, D. F., Ivanov, D. A., Rønnow, H. M.

    Published in Nature physics (01-01-2015)
    “…Quantum magnets have occupied the fertile ground between many-body theory and low-temperature experiments on real materials since the early days of quantum…”
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  5. 5

    Magnon interactions in a moderately correlated Mott insulator by Wang, Qisi, Mustafi, S., Fogh, E., Astrakhantsev, N., He, Z., Biało, I., Chan, Ying, Martinelli, L., Horio, M., Ivashko, O., Shaik, N. E., Arx, K. von, Sassa, Y., Paris, E., Fischer, M. H., Tseng, Y., Christensen, N. B., Galdi, A., Schlom, D. G., Shen, K. M., Schmitt, T., Rønnow, H. M., Chang, J.

    Published in Nature communications (24-06-2024)
    “…Quantum fluctuations in low-dimensional systems and near quantum phase transitions have significant influences on material properties. Yet, it is difficult to…”
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  6. 6

    The microscopic structure of charge density waves in underdoped YBa2Cu3O6.54 revealed by X-ray diffraction by Forgan, E. M., Blackburn, E., Holmes, A. T., Briffa, A. K. R., Chang, J., Bouchenoire, L., Brown, S. D., Liang, Ruixing, Bonn, D., Hardy, W. N., Christensen, N. B., Zimmermann, M. V., Hücker, M., Hayden, S. M.

    Published in Nature communications (09-12-2015)
    “…Charge density wave (CDW) order appears throughout the underdoped high-temperature cuprate superconductors, but the underlying symmetry breaking and the origin…”
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  7. 7

    Uniaxial pressure induced stripe order rotation in La1.88Sr0.12CuO4 by Wang, Qisi, von Arx, K., Mazzone, D. G., Mustafi, S., Horio, M., Küspert, J., Choi, J., Bucher, D., Wo, H., Zhao, J., Zhang, W., Asmara, T. C., Sassa, Y., Månsson, M., Christensen, N. B., Janoschek, M., Kurosawa, T., Momono, N., Oda, M., Fischer, M. H., Schmitt, T., Chang, J.

    Published in Nature communications (04-04-2022)
    “…Static stripe order is detrimental to superconductivity. Yet, it has been proposed that transverse stripe fluctuations may enhance the inter-stripe Josephson…”
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  8. 8
  9. 9

    Strain-engineering Mott-insulating La2CuO4 by Ivashko, O., Horio, M., Wan, W., Christensen, N. B., McNally, D. E., Paris, E., Tseng, Y., Shaik, N. E., Rønnow, H. M., Wei, H. I., Adamo, C., Lichtensteiger, C., Gibert, M., Beasley, M. R., Shen, K. M., Tomczak, J. M., Schmitt, T., Chang, J.

    Published in Nature communications (19-02-2019)
    “…The transition temperature T c of unconventional superconductivity is often tunable. For a monolayer of FeSe, for example, the sweet spot is uniquely bound to…”
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  10. 10

    Spatially inhomogeneous competition between superconductivity and the charge density wave in YBa2Cu3O6.67 by Choi, J., Ivashko, O., Blackburn, E., Liang, R., Bonn, D. A., Hardy, W. N., Holmes, A. T., Christensen, N. B., Hücker, M., Gerber, S., Gutowski, O., Rütt, U., Zimmermann, M. v., Forgan, E. M., Hayden, S. M., Chang, J.

    Published in Nature communications (20-02-2020)
    “…The charge density wave in the high-temperature superconductor YBa 2 Cu 3 O 7− x (YBCO) has two different ordering tendencies differentiated by their c -axis…”
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  11. 11

    Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor by Lake, B, Rønnow, H. M, Christensen, N. B, Aeppli, G, Lefmann, K, McMorrow, D. F, Vorderwisch, P, Smeibidl, P, Mangkorntong, N, Sasagawa, T, Nohara, M, Takagi, H, Mason, T. E

    Published in Nature (London) (17-01-2002)
    “…One view of the high-transition-temperature (high-Tc) copper oxide superconductors is that they are conventional superconductors where the pairing occurs…”
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  12. 12

    Quantum dynamics and entanglement of spins on a square lattice by Christensen, N.B, Rønnow, H.M, McMorrow, D.F, Harrison, A, Perring, T.G, Enderle, M, Coldea, R, Regnault, L.P, Aeppli, G

    “…Bulk magnetism in solids is fundamentally quantum mechanical in nature. Yet in many situations, including our everyday encounters with magnetic materials,…”
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  13. 13

    Engineering phase competition between stripe order and superconductivity in La1.88Sr0.12CuO4 by Küspert, J., Biało, I., Frison, R., Morawietz, A., Martinelli, L., Choi, J., Bucher, D., Ivashko, O., v Zimmermann, M., Christensen, N. B., Mazzone, D. G., Simutis, G., Turrini, A. A., Thomarat, L., Tam, D. W., Janoschek, M., Kurosawa, T., Momono, N., Oda, M., Wang, Qisi, Chang, J.

    Published in Communications physics (10-07-2024)
    “…Unconventional superconductivity often couples to other electronic orders in a cooperative or competing fashion. Identifying external stimuli that tune between…”
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  14. 14

    272 Optimizing residential automated external defibrillator coverage by targeting social housing areas by Jørgensen, AJ, Kjoelbye, JS, Ettl, F, Krammel, M, Christensen, NB, Ringgren, KB, Torp-Pedersen, C, Folke, F, Hansen, CM

    Published in BMJ open (01-05-2022)
    “…BackgroundStrategies for deployment of automated external defibrillators (AEDs) in residential areas are warranted. Social housing is widespread in Europe, has…”
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  15. 15

    279 Drone-delivered automated external defibrillators for out-of-hospital cardiac arrest. a scoping review by Jakobsen, LK, Kjoelbye, JS, Gregers, MT, Jørgensen, AJ, Andelius, L, Christensen, NB, Kragh, AR, Ringgren, KB, Hansen, CM, Folke, F

    Published in BMJ open (01-05-2022)
    “…BackgroundDrone-delivery of automated external defibrillators (AEDs) to out-of-hospital cardiac arrest (OHCA) is increasingly being investigated for early…”
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  16. 16

    302 Coverage of automated external defibrillators and volunteer responders according to geographical and demographic characteristics in Denmark by Christensen, NB, Folke, F, Jørgensen, AJ, Jakobsen, LK, Kjoelbye, JS, Gregers, MCT, Ringgren, KB, Andelius, L, Torp-Pedersen, C, Hansen, CM

    Published in BMJ open (01-05-2022)
    “…BackgroundTo increase cardiopulmonary resuscitation and defibrillation, many countries have implemented volunteer responder programs to alarm voluntary…”
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  17. 17

    Three-dimensionality of field-induced magnetism in a high-temperature superconductor by Lake, B, Lefmann, K, Christensen, N. B, Aeppli, G, McMorrow, D. F, Ronnow, H. M, Vorderwisch, P, Smeibidl, P, Mangkorntong, N, Sasagawa, T, Nohara, M, Takagi, H

    Published in Nature materials (01-09-2005)
    “…Many physical properties of high-temperature superconductors are two-dimensional phenomena derived from their square-planar CuO2 building blocks. This is…”
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  18. 18

    X-ray diffraction observations of a charge-density-wave order in superconducting ortho-II YBa2Cu3O6.54 single crystals in zero magnetic field by Blackburn, E, Chang, J, Hücker, M, Holmes, A T, Christensen, N B, Liang, Ruixing, Bonn, D A, Hardy, W N, Rütt, U, Gutowski, O, von Zimmermann, M, Forgan, E M, Hayden, S M

    Published in Physical review letters (28-03-2013)
    “…X-ray diffraction measurements show that the high-temperature superconductor YBa2Cu3O6.54, with ortho-II oxygen order, has charge-density-wave order in the…”
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  19. 19

    Strain-engineering Mott-insulating La 2 CuO 4 by Ivashko, O, Horio, M, Wan, W, Christensen, N B, McNally, D E, Paris, E, Tseng, Y, Shaik, N E, Rønnow, H M, Wei, H I, Adamo, C, Lichtensteiger, C, Gibert, M, Beasley, M R, Shen, K M, Tomczak, J M, Schmitt, T, Chang, J

    Published in Nature communications (01-12-2019)
    “…The transition temperature T of unconventional superconductivity is often tunable. For a monolayer of FeSe, for example, the sweet spot is uniquely bound to…”
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  20. 20

    Anomalous magnetic excitations of cooperative tetrahedral spin clusters by Prsa, K, Rønnow, H M, Zaharko, O, Christensen, N B, Jensen, J, Chang, J, Streule, S, Jiménez-Ruiz, M, Berger, H, Prester, M, Mesot, J

    Published in Physical review letters (01-05-2009)
    “…An inelastic neutron scattering study of Cu2Te2O5X2 (X=Cl, Br) shows strong dispersive modes with large energy gaps persisting far above TN, notably in…”
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