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hep-th2002★ 119 cited

Comments on the Hydrogen Atom Spectrum in the Noncommutative Space

M. Chaichian, M. M. Sheikh-Jabbari, A. Tureanu

There has been disagreement in the literature on whether the hydrogen atom spectrum receives any tree-level correction due to noncommutativity. Here we shall clarify the issue and…

astro-ph2002★ 10 cited

Radiation of Neutron Stars Produced by Superfluid Core

Anatoly A. Svidzinsky

We find that neutron star interior is transparent for collisionless electron sound, the same way as it is transparent for neutrinos. In the presence of magnetic field the electron…

cond-mat.mes-hall2002★ 1 cited

Particle tunneling through a polarizable insulator

Peter Nalbach, Walter Harrison

The tunneling probability between two leads connected by a molecule, a chain, a film, or a bulk polarizable insulator is investigated within a model of an electron tunneling from l…

hep-th2002★ 22 cited

Brane Gas Cosmology, M-theory and Little String Theory

Stephon H. S. Alexander

We generalize the Brane Gas Cosmological Scenario to M-theory degrees of freedom, namely and branes. Without brane intersections, the Brandenberger Vafa(BV) arguments app…

hep-th2002★ 4 cited

Spacetime Quotients, Penrose Limits and Conformal Symmetry Restoration

Mohsen Alishahiha, Mohammad M. Sheikh-Jabbari, Radu Tatar

In this paper we study the Penrose limit of AdS_5 orbifolds. The orbifold can be either in the pure spatial directions or space and time directions. For the AdS_5/Γ\times S^5 spati…

hep-ex2002★ 2.7k cited

First Results from KamLAND: Evidence for Reactor Anti-Neutrino Disappearance

KamLAND Collaboration

KamLAND has been used to measure the flux of 's from distant nuclear reactors. In an exposure of 162 tonyr (145.1 days) the ratio of the number of observed inverse…