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19922026
Showing 2000 · hep-phShow all

7 papers · 2 filters

hep-ph2000★ 27 cited

Expansion of bound-state energies in powers of m/M

Andrzej Czarnecki, Kirill Melnikov

We describe a new approach to computing energy levels of a non-relativistic bound-state of two constituents with masses M and m, by a systematic expansion in powers of m/M. After d…

hep-ph2000

Screening length, dispersion relations and quark potential in thermo field dynamics

Wanyun Zhao, F. C. Khanna

The screening length in a quark-gluon plasma, the dispersion relations of thermal gluon self-energy and the quark potential at high temperature are studied within thermo field dyna…

hep-ph2000★ 15 cited

Emergence of Classicality in Quantum Phase Transitions

Sang Pyo Kim, Chul H. Lee

We show that classicality emerges during quantum phase transitions due to parametric interactions without coupling to environments. The Wigner functions are explicitly calculated f…

hep-ph2000★ 5 cited

Non-Gaussian Effects on Domain Growth

Sang Pyo Kim, F. C. Khanna

The vacuum two-point function is calculated beyond the Gaussian approximation during the second order phase transition. It is found that the correlation function is dominated by th…

hep-ph2000★ 53 cited

Anomalous magnetic moment of a bound electron

Andrzej Czarnecki, Kirill Melnikov, Alexander Yelkhovsky

We study binding corrections to the gyromagnetic factor g_e of an electron in hydrogen-like ions. We argue that the leading order binding effects in radiative corrections Delta g_r…

hep-ph2000★ 35 cited

Thermalization After Inflation and Reheating Temperature

Rouzbeh Allahverdi

We present a detailed examination of thermalization after inflation for perturbative inflaton decay. Different interactions among particles in the plasma of inflaton decay products…

hep-ph2000★ 99 cited

Reheating and Supersymmetric Flat-Direction Baryogenesis

Rouzbeh Allahverdi, Bruce. A. Campbell, John Ellis

We re-examine Affleck-Dine baryo/leptogenesis from the oscillation of condensates along flat directions of the supersymmetric standard model, which attained large vevs at the end o…