نتایج جستجو برای: quasiparticle
تعداد نتایج: 5213 فیلتر نتایج به سال:
We characterize the electron doping evolution of (Sr_{1-x}La_{x})_{3}Ir_{2}O_{7} by means of angle-resolved photoemission. Concomitant with the metal insulator transition around x≈0.05 we find the emergence of coherent quasiparticle states forming a closed small Fermi surface of volume 3x/2, where x is the independently measured La concentration. The quasiparticle weight Z remains large along t...
We present (115)In NMR measurements in a novel thermodynamic phase of CeCoIn(5) in a high magnetic field, where exotic superconductivity exists with the incommensurate spin-density wave order. We show that the NMR spectra in this phase provide direct evidence for the emergence of the spatially distributed normal quasiparticle regions. The quantitative analysis for the field evolution of the par...
We present studies of the photoexcited quasiparticle dynamics in MgB2 where, using femtosecond optical techniques, Cooper pair-breaking dynamics (PBD) have been temporally resolved for the first time. The PBD are strongly temperature and photoexcitation intensity dependent. Analysis of the PBD using the Rothwarf-Taylor equations suggests that the anomalous PBD arises from the fact that in MgB2 ...
In this note, we calculate the dissipation due to the tunneling of quasiparticles using the environmental P (E) theory[1] to properly account for coupling to the qubit from the charge transfer. We will first calculate the damping rate for a inductor-capacitor resonator using environmental theory; the prediction for phase qubits, for example, will be similar since qubit and harmonic oscillator m...
NUSTAR-T-05 Effective nuclear forces and low lying collective excitations in Sn 109 NUSTAR-T-07 Relativistic quasiparticle RPA with applications to exotic nuclei 111
A unique parameterization of the QCD equation of state below and above T c We present a unique parameterization of the equation of state of strongly interacting matter in the temperature interval 0.6T c · · · 3T c at µ = 0 within a quasi-particle model based on quark and gluon degrees of freedom. The extension to non-vanishing baryon-chemical potential is discussed.
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