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ResearchHub is incentivizing healthy research behavior. At this time, first authors of open access papers are eligible for rewards. Visit the publications tab to view your eligible publications.
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Pascal Pigeon
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Mesoscopic Thermal Transport through a Weak Link
Ahmed El Nemr
et al.
Jul 8, 2001
We consider mesoscopic thermal transport between two bulk dielectrics joinedby a narrow wire or weak mechanical link. In the ``tunneling'' regime where thephonon transmission probability through the link is small and the thermalconductance is much less than the value for a single channel, the thermalcurrent is determined by a product of the local vibrational spectral densitiesof the two bodies. We derive an expression for the thermal current that is athermal analog of the well-known formula for the electrical current through atunneling barrier.
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Renormalization In Coupled-Abelian Self-Dual Chern-Simons Models
John Lopez
et al.
Nov 7, 1996
An algebraic restriction of the nonabelian self-dual Chern-Simons-Higgssystems leads to coupled-abelian self-dual models with intricate mass spectra.The vacua are characterized by embeddings of SU(2) into the gauge algebra; andin the broken phases, the gauge and real scalar masses are related to theexponents of the gauge algebra. In this paper we compute the gauge-gauge-Higgscouplings in the broken phases and use this to compute the finiterenormalizations of the Chern-Simons coefficient in the various vacua.
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Supersymmetric Grand Unified Theories and Global Fits to Low Energy Data
Manuel Rodrigues
et al.
Nov 13, 1996
We present a self-consistent $\chi^2$ analysis of several supersymmetric(SUSY) grand unified theories recently discussed in the literature. We obtainglobal fits to low energy data, including gauge couplings, fermion masses andmixing angles, gauge boson masses and $BR(b\rightarrow s\gamma)$. One of themodels studied provides an excellent fit to the low energy data with$\chi^2\sim 1$ for 3 degrees of freedom, in a large region of theexperimentally allowed SUSY parameter space. We also discuss the consequencesof our work for a general MSSM analysis at the $Z$ scale.
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