Daisuke Satow
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View article: Exact Vector Channel Sum Rules at Finite Temperature
Exact Vector Channel Sum Rules at Finite Temperature Open
We review the derivation of three exact sum rules for the finite temperature spectral function of the electromagnetic current. They are derived from the analytic properties and the ultraviolet and infrared behavior of the vector correlator…
View article: Gluon spectrum in a quark-gluon plasma under strong magnetic fields
Gluon spectrum in a quark-gluon plasma under strong magnetic fields Open
We obtain the general expression of the gluon propagator at finite temperature ($T$) and in a magnetic field ($B$), for the case that the four transverse tensor structures appear in the gluon self-energy. By using this expression and a spe…
View article: Finite temperature sum rules in the vector channel at finite momentum
Finite temperature sum rules in the vector channel at finite momentum Open
Exact sum rules for the longitudinal and transverse part of the vector\nchannel spectral functions at nonzero momentum are derived in the first part of\nthe paper. The sum rules are formulated for the finite temperature spectral\nfunctions…
View article: Goldstino in supersymmetric Bose-Fermi mixtures in the presence of a Bose-Einstein condensate
Goldstino in supersymmetric Bose-Fermi mixtures in the presence of a Bose-Einstein condensate Open
We analyze the spectral properties of the Goldstino excitation in a\nBose-Fermi mixture of cold atoms, whose masses and interaction strengths are\ntuned so that the hamiltonian is supersymmetric. We consider systems at zero\ntemperature an…
View article: Bulk viscosity of quark-gluon plasma in strong magnetic fields
Bulk viscosity of quark-gluon plasma in strong magnetic fields Open
We investigate the viscosities of the quark-gluon plasma in strong magnetic fields within the leading-log and lowest Landau level (LLL) approximations. We first show that the bulk viscosity in the direction parallel to the magnetic field i…
View article: Longitudinal conductivity in strong magnetic field in perturbative QCD: Complete leading order
Longitudinal conductivity in strong magnetic field in perturbative QCD: Complete leading order Open
We compute the longitudinal electrical conductivity in the presence of strong\nbackground magnetic field in complete leading order of perturbative QCD, based\non the assumed hierarchy of scales $\\alpha_s eB\\ll (m_q^2,T^2)\\ll eB$. We\nfo…
View article: Exact sum rules for vector channel at finite temperature and their application to lattice QCD analysis
Exact sum rules for vector channel at finite temperature and their application to lattice QCD analysis Open
We derive three exact sum rules for the spectral function of the electromagnetic current with zero spatial momentum at finite temperature. Possible applications of the three sum rules to lattice computations of the spectral function and tr…
View article: Electrical conductivity of quark-gluon plasma in strong magnetic fields
Electrical conductivity of quark-gluon plasma in strong magnetic fields Open
We compute the electrical conductivity of quark-gluon plasma in a strong\nmagnetic field $B$ with quantum field theory at finite temperature using the\nlowest Landau level approximation. We provide the one-loop result arising from\n1-to-2 …
View article: Exact vector channel sum rules at finite temperature and their applications to lattice QCD data analysis
Exact vector channel sum rules at finite temperature and their applications to lattice QCD data analysis Open
We derive three exact sum rules for the spectral function of the\nelectromagnetic current with zero spatial momentum at finite temperature. Two\nof them are derived in this paper for the first time. We explicitly check that\nthese sum rule…
View article: Exact vector channel sum rules at finite temperature and their applications to lattice QCD
Exact vector channel sum rules at finite temperature and their applications to lattice QCD Open
We derive three exact sum rules for the spectral function of the electromagnetic current with zero spatial momentum at finite temperature. Two of them are derived in this paper for the first time. We explicitly check that these sum rules a…
View article: Spectral properties of the Goldstino in supersymmetric Bose-Fermi mixtures
Spectral properties of the Goldstino in supersymmetric Bose-Fermi mixtures Open
We evaluate the spectral properties of the Goldstino in a Bose-Fermi mixture\nof cold atoms and molecules whose dynamics is governed by a supersymmetric\nhamiltonian. Model independent results are obtained from sum rules obeyed by\nthe spe…
View article: Chiral symmetry breaking and confinement effects on dilepton and photon production around<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>T</mml:mi><mml:mi>c</mml:mi></mml:msub></mml:math>
Chiral symmetry breaking and confinement effects on dilepton and photon production around Open
Production rates of dileptons and photons from the quark-gluon (QGP) phase\nare calculated taking into account effects of confinement and spontaneous\nchiral symmetry breaking (\\chi SB) not far from the transition temperature\n$T_c$. We f…
View article: Production and Elliptic Flow of Dileptons and Photons in a Matrix Model of the Quark-Gluon Plasma
Production and Elliptic Flow of Dileptons and Photons in a Matrix Model of the Quark-Gluon Plasma Open
We consider a nonperturbative approach to the thermal production of dileptons and photons at temperatures near the critical temperature in QCD. The suppression of colored excitations at low temperature is modeled by including a small value…