Investigations of QCD at non-zero isospin density [electronic resource].

Published: Washington, D.C. : United States. Dept. of Energy. Office of Science, 2011.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description: 328 (7 pages) : digital, PDF file
Additional Creators: Thomas Jefferson National Accelerator Facility (U.S.), United States. Department of Energy. Office of Science, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary

We investigate the QCD phase diagram as a function of isospin chemical potential at a fixed temperature by directly putting large numbers of π⁺s into the system. Correlation functions of N π⁺s systems involves N!N! contractions, and become extremely expensive when N is large. In order to alleviate this problem, a recursion relation of correlation functions has been derived in Ref. [1] that substantially reduces the number of independent contractions needed and makes the study of many pions systems be possible. In this proceeding this method is investigated numerically. We have also constructed a new method that is even more efficient, enabling us to study systems of up to 72 π⁺s.

Report Numbers

E 1.99:jlab-thy-11-1460
E 1.99: doe/or/23177-1883
E 1.99: arxiv:1111.1656
arxiv:1111.1656
doe/or/23177-1883
jlab-thy-11-1460

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Published through SciTech Connect.
12/01/2011.
"jlab-thy-11-1460"
" doe/or/23177-1883"
" arxiv:1111.1656"
Proceedings of Science LATTICE2011
Lattice 2011, 10-16 Jul 2011, Squaw Valley, Lake Tahoe, California.
Zhifeng Shi, William Detmold.

Funding Information

AC05-06OR23177

View MARC record | catkey: 13820909