An experimental system for studying dynamic behavior of magnetic microparticlesHELGESEN, G; SKJELTORP, A. T.Journal of applied physics. 1991, Vol 69, Num 12, pp 8277-8284, issn 0021-8979Article

Experimental investigation of the dynamics of microspheres in ferrofluidHELGESEN, G; SKJELTORP, A. T.Journal of magnetism and magnetic materials. 1991, Vol 97, Num 1-3, pp 25-30, issn 0304-8853, 6 p.Article

Order-disorder transition in a system of magnetic holesHELGESEN, G; SKJELTORP, A. T.Physica. A. 1991, Vol 170, Num 3, pp 488-502, issn 0378-4371Article

Small-angle neutron scattering from a nano-layered synthetic silicateKNUDSEN, K. D; FOSSUM, J. O; HELGESEN, G et al.Physica. B, Condensed matter. 2004, Vol 352, Num 1-4, pp 247-258, issn 0921-4526, 12 p.Article

The effect of Pb-doping in Bi-Sr-Ca-Cu-O and Sb-doping in Bi-Pb-Sr-Ca-Cu-O superconductorsYANG, Z. J; BRATSBERG, H; JOHANSEN, T. H et al.Physica. C, Superconductivity. 1989, Vol 162-164, pp 1587-1588, 2Conference Paper

Antiferromagnetic phase transition in Nd(OH)₃HELGESEN, G; SKJELTORP, A. T; BRATSBERG, H et al.Journal of magnetism and magnetic materials. 1992, Vol 111, Num 1-2, pp 5-10, issn 0304-8853Article

Dynamics behavior of simple magnetic hole systemsHELGESEN, G; PIERANSKI, P; SKJELTORP, A. T et al.Physical review. A. 1990, Vol 42, Num 12, pp 7271-7280, issn 1050-2947Article

Nonlinear phenomena in systems of magnetic holesHELGESEN, G; PIERANSKI, P; SKJELTORP, A. T et al.Physical review letters. 1990, Vol 64, Num 12, pp 1425-1428, issn 0031-9007Article

Elliptically polarized fields and responsesZHONG JIN YANG; JIE YAO; HELGESEN, G et al.International journal of theoretical physics. 1991, Vol 30, Num 4, pp 531-536, issn 0020-7748Article

Braid theory and Zipf-Mandelbrot relation used in microparticle dynamicsDE LANGE KRISTIANSEN, K; HELGESEN, G; SKJELTORP, A. T et al.The European physical journal. B, Condensed matter physics. 2006, Vol 51, Num 3, pp 363-371, issn 1434-6028, 9 p.Article

Nanoparticle induced self-assemblyHELGESEN, G; SVASAND, E; SKJELTORP, A. T et al.Journal of physics. Condensed matter (Print). 2008, Vol 20, Num 20, issn 0953-8984, 204127.1-204127.6Conference Paper

Magnetic and structural measurements of lattice-matched erbium films on sapphire [1 1 0] and [0 0 1] substratesHELGESEN, G; CONOVER, M. J; GIBBS, D et al.Journal of magnetism and magnetic materials. 1999, Vol 192, Num 1, pp 11-18, issn 0304-8853Article

Charge induced (1x3) reconstruction of the Au(110) surface : an X-ray scattering studyOCKO, B. M; HELGESEN, G; SCHARDT, B et al.Physical review letters. 1992, Vol 69, Num 23, pp 3350-3353, issn 0031-9007Article

Observation of two length scales in the magnetic critical fluctuations of holmiumTHURSTON, T. R; HELGESEN, G; GIBBS, D et al.Physical review letters. 1993, Vol 70, Num 20, pp 3151-3154, issn 0031-9007Article

Effect of current on collective motion of flux lines in a bulk Y₁Ba₂Cu₃O_7-δ superconductorYANG, Z. J; BRATSBERG, H; JOHANSEN, T. H et al.Japanese journal of applied physics. 1991, Vol 30, Num 1, pp L92-L95, issn 0021-4922, p.2Article

Lateral force on a magnet placed above a planar YBa₂Cu₃O_x superconductorJOHANSEN, T. H; YANG, Z. J; BRATSBERG, H et al.Applied physics letters. 1991, Vol 58, Num 2, pp 179-181, issn 0003-6951, 3 p.Article

A pendulum feedback system to measure the lateral force on a magnet placed above a high-T_c superconductorJOHANSEN, T. H; BRATSBERG, H; YANG, Z et al.Review of scientific instruments. 1990, Vol 61, Num 12, pp 3827-3829, issn 0034-6748Article

Antiferromagnetic layer formation in UAsBERNHOEFT, N; STUNAULT, A; VOGT, O et al.Journal of magnetism and magnetic materials. 1995, Vol 140-44, Num 2, pp 1421-1422, issn 0304-8853Conference Paper

Quasistatic responses of fluxoids in an Y₁Ba₂Cu₃O_7-δ filmYANG, Z. J; BRATSBERG, H; JOHANSEN, T. H et al.Solid state communications. 1992, Vol 81, Num 11, pp 929-933, issn 0038-1098Article

Potential and force between a magnet and a bulk Y₁Ba₂Cu₃O_7-δ superconductor studied by a mechanical pendulumYANG, Z. J; HOHANSEN, T. H; BRATSBERG, H et al.Superconductor science and technology. 1990, Vol 3, Num 12, pp 591-597, 7 p.Article

Conductivity enhancement of silver filled polymer composites through electric field alignmentJOHNSEN, G. K; KNAAPILA, M; MARTINSEN, Ø. G et al.Composites science and technology. 2012, Vol 72, Num 15, pp 1841-1847, issn 0266-3538, 7 p.Article

X-ray-scattering determination of the Cu(110)-(2×3)N structureBADDORF, A. P; ZEHNER, D. M; HELGESEN, G et al.Physical review. B, Condensed matter. 1993, Vol 48, Num 12, pp 9013-9020, issn 0163-1829Article

Vibrations of a magnet levitated over a flat superconductorYANG, Z. J; JOHANSEN, T. H; BRATSBERG, H et al.Physica. C, Superconductivity. 1989, Vol 160, Num 5-6, pp 461-465Article

Aggregation of magnetic microspheres: experiments and simulationsHELGESEN, G; SKJELTORP, A. T; MORS, P. M et al.Physical review letters. 1988, Vol 61, Num 15, pp 1736-1739, issn 0031-9007Article

X-ray reflectivity of the Cu(110) surfaceHELGESEN, G; GIBBS, D; BADDORF, A. P et al.Physical review. B, Condensed matter. 1993, Vol 48, Num 20, pp 15320-15325, issn 0163-1829Article