185,912 research outputs found
On non hadronic origin of high energy neutrinos
Some of the non hadronic interactions, such as the \eta resonance formation
in the \gamma \gamma interactions and the muon pair production in the e\gamma
interactions, are identified as possible source interactions for generating
high energy neutrinos in the cosmos.Comment: 9 pages, 1 figure, talk given at First NCTS Workshop on Astroparticle
Physics, 6-9 December, 2001, Kenting, Taiwan (to appear in its proceedings
edited by H. Athar, Guey-Lin Lin, and K.-W. Ng
Green's function for the Relativistic Coulomb System via Sum Over Perturbation Series
We evaluate the Green's function of the D-dimensional relativistic Coulomb
system via sum over perturbation series which is obtained by expanding the
exponential containing the potential term in the path integral
into a power series. The energy spectra and wave functions are extracted from
the resulting amplitude.Comment: 13 pages, ReVTeX, no figure
Andreev Edge State on Semi-Infinite Triangular Lattice: Detecting the Pairing Symmetry in Na_0.35CoO_2.yH_2O
We study the Andreev edge state on the semi-infinite triangular lattice with
different pairing symmetries and boundary topologies. We find a rich phase
diagram of zero energy Andreev edge states that is a unique fingerprint of each
of the possible pairing symmetries. We propose to pin down the pairing symmetry
in recently discovered Na_xCoO_2 material by the Fourier-transformed scanning
tunneling spectroscopy for the edge state. A surprisingly rich phase diagram is
found and explained by a general gauge argument and mapping to 1D tight-binding
model. Extensions of this work are discussed at the end.Comment: 4 pages, 1 table, 4 figure
Silicon contact for area reduction of integrated circuits
Silicon contact for area reduction of integrated circuit
Baryon Pair, rho0 rho0 Pair and Inclusive Hadron Production in Two-Photon Collisions at LEP
The most recent results of inclusive hadron, baryon pair and rho0 rho0
productions in two-photon collisions measured at LEP are presented.Comment: Talk presented at the XXXVIIIth Rencontre de Moriond (QCD), Les Arcs,
March 200
Path integral for a relativistic Aharonov-Bohm-Coulomb system
The path integral for the relativistic spinless Aharonov-Bohm-Coulomb system
is solved, and the energy spectra are extracted from the resulting amplitude.Comment: 6 pages, Revte
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