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Research

Publications

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• Theory of magnetism and magnetic materials
• Nonlinear phenomena in Bose-Einstein Condensates (BEC)
• Dynamical systems in Condensed Matter and Biology
• Pattern formation in nematic liquid crystals
• Non-topological solitons

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Theory of magnetism and magnetic materials

• S. Komineas and N. Papanicolaou
  Transmutation of momentum into position in magnetic vortices
  New J. Phys. 10 (2008) 043021
  
  
• S. Komineas and N. Papanicolaou
  Dynamics of vortex-antivortex pairs in ferromagnets (a review paper)
  
  
• S. Komineas
  Rotating vortex dipoles in ferromagnets
  Phys. Rev. Lett. 99, 117202 (2007)
  Also listed in: Virtual Journal of Nanoscale Science & Technology (Sep. 2007)
  
  
• C. Moutafis, S. Komineas, C.A.F. Vaz, J.A.C. Bland, T. Shima, T. Seki, K. Takanashi
  Magnetic bubbles in FePt nanodots with perpendicular anisotropy
  Phys. Rev. B 76, 104426 (2007)
  Also listed in: Virtual Journal of Nanoscale Science & Technology (Oct. 2007)
  Our work is reviewed in the Nanotechnology Website of the Institute of Physics.
  
  
• C. Moutafis, S. Komineas, C.A.F. Vaz, J.A.C. Bland, P. Eames
  Vortices in ferromagnetic elements with perpendicular anisotropy
  Phys. Rev. B 74, 214406 (2006)
  [abstract]
  
  
• S. Komineas,
  A virial theorem for vortices in ferromagnetic elements
  J. Phys. A: Math. Gen. 39, 5669-5679 (2006)
  
  
• S. Komineas, C.A.F. Vaz, J.A.C. Bland, N. Papanicolaou
  Bubble domains in disc-shaped ferromagnetic particles
  Phys. Rev. B 71, 060405(R) (2005)
  Visit my collaborators in the experimental Thin Film Magnetism group, and Cambridge research on nanomagnets.
  
  
• S. Komineas, A.R. Bishop, F.G. Mertens,
  Stretched exponential relaxation in two-dimensional easy-plane ferromagnets (pdf)
  Europhys. Lett. 61, 389-395 (2003)
  [abstract / animations]
  
  
• A.S. Kovalev, S. Komineas, F.G. Mertens,
  Scattering of vortex pairs in 2D easy-plane ferromagnets
  Eur. Phys. J. B 25, 89-100 (2002)
  [abstract]
  
  
• J. Chovan, N. Papanicolaou, and S. Komineas,
  Intermediate phase in the spiral antiferromagnet Ba₂CuGe₂O₇
  Phys. Rev. B 65, 064433 (2002)
  [abstract]
  
  
• S. Komineas,
  Scattering of magnetic solitons in two dimensions
  Physica D 155, 223-234 (2001)
  [abstract]
  
  
• S. Komineas and N. Papanicolaou,
  Vortex dynamics in two-dimensional antiferromagnets
  Nonlinearity 11, 265-290 (1998)
  [abstract]
  See a first "step for a rigorous mathematical justification of dynamical laws for the magnetic vortices formally derived [in our paper]",
  in: Feng Bo Hang and Fang Hua Lin, Acta Mathematica Sinica 17, 541-580 (2001)
  
  
• S. Komineas and N. Papanicolaou,
  Topology and dynamics in ferromagnetic media
  Physica D 99, 81-107 (1996) (also available locally as pdf)
  [abstract]
  See a first "step for a rigorous mathematical justification of dynamical laws for the magnetic vortices formally derived [in our paper]",
  in: Feng Bo Hang and Fang Hua Lin, Acta Mathematica Sinica 17, 541-580 (2001)
  

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Bose-Einstein Condensates

• Weibin Li, Masudul Haque, Stavros Komineas
  A vortex dipole in a trapped two-dimensional Bose-Einstein condensate
  Phys. Rev. A 00, 000000 (2008)
  
  
• S. Komineas
  Vortex rings and solitary waves in trapped Bose-Einstein condensates (A review article) (local copy)
  Eur. Phys. J. Special Topics 147, 133-152 (2007)
  
  
• S. Komineas and N.R. Cooper
  Vortex lattices in Bose-Einstein condensates with Dipolar Interactions Beyond the Weak Interaction Limit
  Phys. Rev. A 75, 023623 (2007)
  
  
• N. Papanicolaou, S. Komineas, N.R. Cooper
  Virial theorems for vortex states in a confined Bose-Einstein condensate
  Phys. Rev. A 72, 053609 (2005)
  
  
• S. Komineas, N.R. Cooper, N. Papanicolaou,
  Single vortex states in a confined Bose-Einstein condensate
  Phys. Rev. A 72, 053624 (2005)
  
  
• S. Komineas and J. Brand,
  Collisions of solitons and vortex rings in cylindrical Bose-Einstein condensates
  Phys. Rev. Lett. 95, 110401 (2005)
  See closely related recent experiments:
  N.S. Ginsberg, J. Brand, and L.V. Hau, Phys. Rev. Lett. 94, 040403 (2005), also covered in web Physics news.
  
  

N.R. Cooper, S. Komineas, N. Read, Vortex lattices in the lowest Landau level for confined Bose-Einstein condensates Phys. Rev. A 70, 033604 (2004)

S. Komineas and N. Papanicolaou, Static solitary waves in axisymmetric Bose-Einstein condensates Laser Physics 14, 571 (2004) [abstract]

• S. Komineas and N. Papanicolaou,
  Solitons, solitonic vortices, and vortex rings in a confined Bose-Einstein condensate
  Phys. Rev. A 68, 043617 (2003)
  [abstract]
  See related recent experiments:
  N.S. Ginsberg, J. Brand, and L.V. Hau, Phys. Rev. Lett. 94, 040403 (2005).
  
  

S. Komineas and N. Papanicolaou, Nonlinear waves in a Cylindrical Bose-Einstein Condensate Phys. Rev. A 67, 023615 (2003) [abstract / Numerical solutions for solitary waves] S. Komineas and N. Papanicolaou, Vortex Rings and Lieb Modes in a Cylindrical Bose-Einstein Condensate Phys. Rev. Lett. 89, 070402 (2002) [abstract / Numerical solutions for solitary waves]

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Dynamical systems in Condensed Matter and Biology

• G. Kopidakis, S. Komineas, S. Flach, and S. Aubry
  Absence of energy diffusion in disordered nonlinear systems
  Phys. Rev. Lett. 100, 084103 (2008)
  
  
• S. Komineas, G. Kalosakas, and A.R. Bishop,
  Effects of intrinsic base-pair fluctuations on charge transport in DNA
  Phys. Rev. E 65, 061905 (2002)
  Also listed in: Virtual Journal of Biological Physics Research (2002)
  [abstract]
  See related research of my collaborators:
  G. Kalosakas, K.O. Rasmussen, and A.R. Bishop, Journal of Chemical Physics 118, 3731 (2003)
  G. Kalosakas, K.L. Ngai, and S. Flach, Physical Review E 71, 061901 (2005).
  
  
• S. Komineas, M. N. Vrahatis, T. Bountis,
  2D universality of period-doubling bifurcations in 3D conservative reversible mappings
  Physica A 211, 218-233 (1994) (local copy)
  [abstract]
  

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Pattern formation in nematic liquid crystals

• S. Komineas, H. Zhao, and L. Kramer,
  Modulated structures in electroconvection in nematic liquid crystals
  Phys. Rev. E 67, 031701 (2003)
  [abstract]
  See a recent experiment refering to this work:
  N. Oikawa, Y. Hidaka, S. Kai, Phys. Rev. E. 70, 066204 (2005).
  
  
• S. Komineas, F. Heilmann, L. Kramer,
  Patterns formed by spiral pairs in oscillatory media
  Phys. Rev. E 63, 011103 (2001)
  [abstract]
  

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Non-topological solitons

• M. Axenides, E. Floratos, S. Komineas, L. Perivolaropoulos,
  Metastable ringlike semitopological solitons
  Phys. Rev. Lett. 86, 4459 (2001)
  [abstract]
  See animations: Simulation of Perturbed Q Ring Decay
  
  
• M. Axenides, S. Komineas, L. Perivolaropoulos, M. Floratos,
  Dynamics of Nontopological Solitons - Q Balls
  Phys. Rev. D 61, 085006 (2000)
  [abstract]
  See animations: Dynamics of Q Balls (simulations on-line)
  

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