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Study of QCD medium by sum rules

Journal Article:

Abstract

Though it has no analogue in condensed matter physics, the thermal QCD sum rules can, nevertheless, answer questions of condensed matter type about the QCD medium. The ingredients needed to write such sum rules, viz. the operator product expansion and the spectral representation at finite temperature, are reviewed in detail. The sum rules are then actually written for the case of correlation function of two vector currents. Collecting information on the thermal average of the higher dimension operators from other sources, we evaluate these sum rules for the temperature dependent {rho}-meson parameters. Possibility of extracting more information from the combined set of all sum rules from different correlation functions is also discussed. (author) 30 refs., 2 figs.
Authors:
Mallik, S [1] 
  1. Saha Institute of Nuclear Physics, Calcutta (India)
Publication Date:
Aug 01, 1998
Product Type:
Journal Article
Reference Number:
SCA: 662230; PA: AIX-30:000070; EDB-99:017553; SN: 99002052489
Resource Relation:
Journal Name: Indian Journal of Physics, Part B; Journal Volume: 72; Journal Issue: 4; Other Information: DN: 30 refs., 2 figs.; PBD: Aug 1998
Subject:
66 PHYSICS; CORRELATION FUNCTIONS; DIRAC OPERATORS; LAGRANGIAN FUNCTION; MATRIX ELEMENTS; OPERATOR PRODUCT EXPANSION; PAULI SPIN OPERATORS; QUANTUM CHROMODYNAMICS; SUM RULES; VECTOR CURRENTS; WICK THEOREM; WILSON LOOP
OSTI ID:
299025
Country of Origin:
India
Language:
English
Other Identifying Numbers:
Journal ID: IJPBDU; ISSN 0252-9254; TRN: IN9900019000070
Submitting Site:
INIS
Size:
pp. 407-426
Announcement Date:

Journal Article:

Citation Formats

Mallik, S. Study of QCD medium by sum rules. India: N. p., 1998. Web.
Mallik, S. Study of QCD medium by sum rules. India.
Mallik, S. 1998. "Study of QCD medium by sum rules." India.
@misc{etde_299025,
title = {Study of QCD medium by sum rules}
author = {Mallik, S}
abstractNote = {Though it has no analogue in condensed matter physics, the thermal QCD sum rules can, nevertheless, answer questions of condensed matter type about the QCD medium. The ingredients needed to write such sum rules, viz. the operator product expansion and the spectral representation at finite temperature, are reviewed in detail. The sum rules are then actually written for the case of correlation function of two vector currents. Collecting information on the thermal average of the higher dimension operators from other sources, we evaluate these sum rules for the temperature dependent {rho}-meson parameters. Possibility of extracting more information from the combined set of all sum rules from different correlation functions is also discussed. (author) 30 refs., 2 figs.}
journal = {Indian Journal of Physics, Part B}
issue = {4}
volume = {72}
journal type = {AC}
place = {India}
year = {1998}
month = {Aug}
}