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Dive into the research topics where Sverker Fredriksson is active.

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Featured researches published by Sverker Fredriksson.


Physical Review D | 2005

Phase diagram of three-flavor quark matter under compact star constraints

D. Blaschke; Sverker Fredriksson; H. Grigorian; A.M. Öztas; Fredrik Sandin

The phase diagram of three-flavor quark matter under compact star constraints is investigated within a Nambu--Jona-Lasinio model. Global color and electric charge neutrality is imposed for


EPL | 2002

Preon trinity—A schematic model of leptons, quarks and heavy vector bosons

Jean-Jacques Dugne; Sverker Fredriksson; Johan Hansson

\ensuremath{\beta}


Micron | 1994

Imaging human erythrocyte spectrin with atomic force microscopy

Nils Almqvist; Lars Bäckman; Sverker Fredriksson

-equilibrated superconducting quark matter. The constituent quark masses and the diquark condensates are determined self-consistently in the plane of temperature and quark chemical potential. Both strong and intermediate diquark coupling strengths are considered. We show that in both cases, gapless superconducting phases do not occur at temperatures relevant for compact star evolution, i.e., below


Thin Solid Films | 1995

Roughness determination of plasma-modified surface layers with atomic force microscopy

Nils Almqvist; M. Rubel; P. Wienhold; Sverker Fredriksson

T\ensuremath{\sim}50\text{ }\text{ }\mathrm{MeV}


Journal of Nuclear Materials | 1995

AFM and STM characterization of surfaces exposed to high flux deuterium plasma

Nils Almqvist; M. Rubel; Sverker Fredriksson; B. Emmoth; P. Wienhold; L. Ilyinsky

. The stability and structure of isothermal quark star configurations are evaluated. For intermediate coupling, quark stars are composed of a mixed phase of normal (NQ) and two-flavor superconducting (2SC) quark matter up to a maximum mass of


Nuclear Physics | 2004

Diquark condensation effects on hot quark star configurations

D. Blaschke; Sverker Fredriksson; H. Grigorian; A.M. Öztas

1.21\text{ }\text{ }{M}_{\ensuremath{\bigodot}}


arXiv: High Energy Physics - Phenomenology | 2004

Preon Prophecies by the Standard Model

Sverker Fredriksson

. At higher central densities, a phase transition to the three-flavor color flavor locked (CFL) phase occurs and the configurations become unstable. For the strong diquark coupling we find stable stars in the 2SC phase, with masses up to


ASME 2010 3rd Joint US-European Fluids Engineering Summer Meeting collocated with 8th International Conference on Nanochannels, Microchannels, and Minichannels | 2010

The Effect of Oscillatory Boat-Tail Flaps on the Near Wake of a Prototypical Heavy Vehicle

Martin Johansson; John Sheridan; Sverker Fredriksson

1.33\text{ }\text{ }{M}_{\ensuremath{\bigodot}}


Astronomy and Astrophysics | 2008

Mass limits for heavy neutrinos

Erik Elfgren; Sverker Fredriksson

. A second family of more compact configurations (twins) with a CFL quark matter core and a 2SC shell is also found to be stable. The twins have masses in the range


arXiv: High Energy Physics - Phenomenology | 2002

Detection of a Hypercharge Axion in ATLAS

Erik Elfgren; G. Azuelos; Gilles Couture; Sverker Fredriksson

1.30\dots{}1.33\text{ }\text{ }{M}_{\ensuremath{\bigodot}}

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Johan Hansson

Luleå University of Technology

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Svante Ekelin

Royal Institute of Technology

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Magnus Jändel

Royal Institute of Technology

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Nils Almqvist

Luleå University of Technology

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Tomas I. Larsson

Royal Institute of Technology

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A. Nicolaidis

Aristotle University of Thessaloniki

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Erik Elfgren

Université de Montréal

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M. Rubel

Royal Institute of Technology

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D. Blaschke

National Research Nuclear University MEPhI

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