Zobrazeno 31 - 40
of 266
pro vyhledávání: '"Seipt, D."'
Autor:
Seipt, D., Kampfer, B.
Publikováno v:
Phys.Rev.D85:101701,2012
Based on strong-field QED in the Furry picture we use the Dirac-Volkov propagator to derive a compact expression for the differential emission probability of the two-photon Compton process in a pulsed intense laser field. The relation of real and vir
Externí odkaz:
http://arxiv.org/abs/1201.4045
Autor:
Seipt, D., Kampfer, B.
We present results for the photon spectrum emitted in non-linear Compton scattering of pulsed ultra-strong laser fields off relativistic electrons for intensities up to $a_0\gtrsim 100$ and pulse lengths of a few laser cycles. At ultrahigh laser inte
Externí odkaz:
http://arxiv.org/abs/1111.0188
Autor:
Seipt, D., Kampfer, B.
Publikováno v:
Phys.Rev.A83:022101,2011
The scattering of temporally shaped intense laser pulses off electrons is discussed by means of manifestly covariant quantum electrodynamics. We employ a framework based on Volkov states with a time dependent laser envelope in light-cone coordinates
Externí odkaz:
http://arxiv.org/abs/1010.3301
Publikováno v:
Phys.Rev.A81:022125,2010
We discuss intensity effects in collisions between beams of optical photons from a high-power laser and relativistic electrons. Our main focus are the modifications of the emission spectra due to realistic finite-beam geometries. By carefully analyzi
Externí odkaz:
http://arxiv.org/abs/0911.1622
Within a phenomenological quasiparticle model, the quark mass and temperature dependence of the QCD equation of state is discussed and compared with lattice QCD results. Different approximations for the quasiparticle dispersion relations are employed
Externí odkaz:
http://arxiv.org/abs/0901.0472
Publikováno v:
J.Phys.G36:045003,2009
A comprehensive determination of the quark mass dependence in the dispersion relations of thermal excitations of gluons and quarks in non-Abelian gauge theory (QCD) is presented for the one-loop approximation in Feynman gauge. Larger values of the co
Externí odkaz:
http://arxiv.org/abs/0810.3803
Publikováno v:
PoSCPOD07:007,2007
A quasi-particle model is employed to derive from available lattice QCD calculations an equation of state useable in hydrodynamical simulations of the expansion stage of strongly interacting matter created in ultra-relativistic heavy-ion collisions.
Externí odkaz:
http://arxiv.org/abs/0708.3322
Publikováno v:
Phys.Rev.C76:034901,2007
We construct a family of equations of state within a quasiparticle model by relating pressure, energy density, baryon density and susceptibilities adjusted to first-principles lattice QCD calculations. The relation between pressure and energy density
Externí odkaz:
http://arxiv.org/abs/0705.0397
Publikováno v:
Nucl.Phys.A774:757-760,2006
We compare our quasi-particle model with recent lattice QCD results for the equation of state at finite temperature and baryo-chemical potential. The inclusion of the QCD critical end point into models is discussed. We propose a family of equations o
Externí odkaz:
http://arxiv.org/abs/hep-ph/0509146
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