Deconfinement in dense 2-color QCD

We study SU(2) lattice gauge theory with two flavors of Wilson fermion at non-zero chemical potential mu and low temperature on a 8^3x16 system. We identify three regimes along the mu-axis. For mu

Saved in:
Bibliographic Details
Published in:arXiv.org 2006-06
Main Authors: Hands, Simon, Kim, Seyong, Jon-Ivar Skullerud
Format: Article
Language:English
Subjects:
Baryons
Chemical potential
Condensates
Density
Fermi surfaces
Fermions
Flavor (particle physics)
Fluids
Gauge theory
Magnetic sectors
Order parameters
Organic chemistry
Quantum chromodynamics
Quarks
Screening
Superfluidity
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
cited_by
cites
container_end_page
container_issue
container_start_page
container_title arXiv.org
container_volume
creator Hands, Simon
Kim, Seyong
Jon-Ivar Skullerud
description We study SU(2) lattice gauge theory with two flavors of Wilson fermion at non-zero chemical potential mu and low temperature on a 8^3x16 system. We identify three regimes along the mu-axis. For mu
doi_str_mv 10.48550/arxiv.0604004
format article
fullrecord <record><control><sourceid>proquest</sourceid><recordid>TN_cdi_proquest_journals_2088015096</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2088015096</sourcerecordid><originalsourceid>FETCH-proquest_journals_20880150963</originalsourceid><addsrcrecordid>eNqNyrEOgjAQgOGLiYlEWZ0bncHj2mKdQeNq4k4IHgkEW23B-Pg6-ABO__D9AOsMU2W0xl3t390rxRwVoppBRFJmiVFEC4hD6BGR8j1pLSPYlNw423aW72xH0VlxYxtYUNK4wXlxKcoVzNt6CBz_uoTt6XgtzsnDu-fEYax6N3n7pYrQGMw0HnL53_UBs18ygA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2088015096</pqid></control><display><type>article</type><title>Deconfinement in dense 2-color QCD</title><source>Publicly Available Content Database</source><creator>Hands, Simon ; Kim, Seyong ; Jon-Ivar Skullerud</creator><creatorcontrib>Hands, Simon ; Kim, Seyong ; Jon-Ivar Skullerud</creatorcontrib><description>We study SU(2) lattice gauge theory with two flavors of Wilson fermion at non-zero chemical potential mu and low temperature on a 8^3x16 system. We identify three regimes along the mu-axis. For mu&lt;~m_pi/2 the system remains in the vacuum phase, and all physical observables considered remain essentially unchanged. The intermediate regime is characterised by a non-zero diquark condensate and an associated increase in the baryon density, consistent with what is expected for Bose-Einstein condensation of tightly bound diquarks. We also observe screening of the static quark potential here. In the high-density deconfined regime we find a non-zero Polyakov loop and a strong modification of the gluon propagator, including significant screening in the magnetic sector in the static limit, which must have a non-perturbative origin. The behaviour of thermodynamic observables and the superfluid order parameter are consistent with a Fermi surface disrupted by a BCS diquark condensate. The energy per baryon as a function of mu exhibits a minimum in the deconfined regime, implying that macroscopic objects such as stars formed in this theory are largely composed of quark matter.</description><identifier>EISSN: 2331-8422</identifier><identifier>DOI: 10.48550/arxiv.0604004</identifier><language>eng</language><publisher>Ithaca: Cornell University Library, arXiv.org</publisher><subject>Baryons ; Chemical potential ; Condensates ; Density ; Fermi surfaces ; Fermions ; Flavor (particle physics) ; Fluids ; Gauge theory ; Magnetic sectors ; Order parameters ; Organic chemistry ; Quantum chromodynamics ; Quarks ; Screening ; Superfluidity</subject><ispartof>arXiv.org, 2006-06</ispartof><rights>Notwithstanding the ProQuest Terms and conditions, you may use this content in accordance with the associated terms available at http://arxiv.org/abs/hep-lat/0604004.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/2088015096?pq-origsite=primo$$EHTML$$P50$$Gproquest$$Hfree_for_read</linktohtml><link.rule.ids>780,784,25753,27925,37012,44590</link.rule.ids></links><search><creatorcontrib>Hands, Simon</creatorcontrib><creatorcontrib>Kim, Seyong</creatorcontrib><creatorcontrib>Jon-Ivar Skullerud</creatorcontrib><title>Deconfinement in dense 2-color QCD</title><title>arXiv.org</title><description>We study SU(2) lattice gauge theory with two flavors of Wilson fermion at non-zero chemical potential mu and low temperature on a 8^3x16 system. We identify three regimes along the mu-axis. For mu&lt;~m_pi/2 the system remains in the vacuum phase, and all physical observables considered remain essentially unchanged. The intermediate regime is characterised by a non-zero diquark condensate and an associated increase in the baryon density, consistent with what is expected for Bose-Einstein condensation of tightly bound diquarks. We also observe screening of the static quark potential here. In the high-density deconfined regime we find a non-zero Polyakov loop and a strong modification of the gluon propagator, including significant screening in the magnetic sector in the static limit, which must have a non-perturbative origin. The behaviour of thermodynamic observables and the superfluid order parameter are consistent with a Fermi surface disrupted by a BCS diquark condensate. The energy per baryon as a function of mu exhibits a minimum in the deconfined regime, implying that macroscopic objects such as stars formed in this theory are largely composed of quark matter.</description><subject>Baryons</subject><subject>Chemical potential</subject><subject>Condensates</subject><subject>Density</subject><subject>Fermi surfaces</subject><subject>Fermions</subject><subject>Flavor (particle physics)</subject><subject>Fluids</subject><subject>Gauge theory</subject><subject>Magnetic sectors</subject><subject>Order parameters</subject><subject>Organic chemistry</subject><subject>Quantum chromodynamics</subject><subject>Quarks</subject><subject>Screening</subject><subject>Superfluidity</subject><issn>2331-8422</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><recordid>eNqNyrEOgjAQgOGLiYlEWZ0bncHj2mKdQeNq4k4IHgkEW23B-Pg6-ABO__D9AOsMU2W0xl3t390rxRwVoppBRFJmiVFEC4hD6BGR8j1pLSPYlNw423aW72xH0VlxYxtYUNK4wXlxKcoVzNt6CBz_uoTt6XgtzsnDu-fEYax6N3n7pYrQGMw0HnL53_UBs18ygA</recordid><startdate>20060626</startdate><enddate>20060626</enddate><creator>Hands, Simon</creator><creator>Kim, Seyong</creator><creator>Jon-Ivar Skullerud</creator><general>Cornell University Library, arXiv.org</general><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>L6V</scope><scope>M7S</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope></search><sort><creationdate>20060626</creationdate><title>Deconfinement in dense 2-color QCD</title><author>Hands, Simon ; Kim, Seyong ; Jon-Ivar Skullerud</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_20880150963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Baryons</topic><topic>Chemical potential</topic><topic>Condensates</topic><topic>Density</topic><topic>Fermi surfaces</topic><topic>Fermions</topic><topic>Flavor (particle physics)</topic><topic>Fluids</topic><topic>Gauge theory</topic><topic>Magnetic sectors</topic><topic>Order parameters</topic><topic>Organic chemistry</topic><topic>Quantum chromodynamics</topic><topic>Quarks</topic><topic>Screening</topic><topic>Superfluidity</topic><toplevel>online_resources</toplevel><creatorcontrib>Hands, Simon</creatorcontrib><creatorcontrib>Kim, Seyong</creatorcontrib><creatorcontrib>Jon-Ivar Skullerud</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science &amp; Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central</collection><collection>ProQuest Central Essentials</collection><collection>AUTh Library subscriptions: ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central</collection><collection>SciTech Premium Collection (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest Engineering Collection</collection><collection>ProQuest Engineering Database</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hands, Simon</au><au>Kim, Seyong</au><au>Jon-Ivar Skullerud</au><format>book</format><genre>document</genre><ristype>GEN</ristype><atitle>Deconfinement in dense 2-color QCD</atitle><jtitle>arXiv.org</jtitle><date>2006-06-26</date><risdate>2006</risdate><eissn>2331-8422</eissn><abstract>We study SU(2) lattice gauge theory with two flavors of Wilson fermion at non-zero chemical potential mu and low temperature on a 8^3x16 system. We identify three regimes along the mu-axis. For mu&lt;~m_pi/2 the system remains in the vacuum phase, and all physical observables considered remain essentially unchanged. The intermediate regime is characterised by a non-zero diquark condensate and an associated increase in the baryon density, consistent with what is expected for Bose-Einstein condensation of tightly bound diquarks. We also observe screening of the static quark potential here. In the high-density deconfined regime we find a non-zero Polyakov loop and a strong modification of the gluon propagator, including significant screening in the magnetic sector in the static limit, which must have a non-perturbative origin. The behaviour of thermodynamic observables and the superfluid order parameter are consistent with a Fermi surface disrupted by a BCS diquark condensate. The energy per baryon as a function of mu exhibits a minimum in the deconfined regime, implying that macroscopic objects such as stars formed in this theory are largely composed of quark matter.</abstract><cop>Ithaca</cop><pub>Cornell University Library, arXiv.org</pub><doi>10.48550/arxiv.0604004</doi><oa>free_for_read</oa></addata></record>
fulltext fulltext
identifier EISSN: 2331-8422
ispartof arXiv.org, 2006-06
issn 2331-8422
language eng
recordid cdi_proquest_journals_2088015096
source Publicly Available Content Database
subjects Baryons
Chemical potential
Condensates
Density
Fermi surfaces
Fermions
Flavor (particle physics)
Fluids
Gauge theory
Magnetic sectors
Order parameters
Organic chemistry
Quantum chromodynamics
Quarks
Screening
Superfluidity
title Deconfinement in dense 2-color QCD
url http://sfxeu10.hosted.exlibrisgroup.com/loughborough?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-07T17%3A09%3A05IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest&rft_val_fmt=info:ofi/fmt:kev:mtx:book&rft.genre=document&rft.atitle=Deconfinement%20in%20dense%202-color%20QCD&rft.jtitle=arXiv.org&rft.au=Hands,%20Simon&rft.date=2006-06-26&rft.eissn=2331-8422&rft_id=info:doi/10.48550/arxiv.0604004&rft_dat=%3Cproquest%3E2088015096%3C/proquest%3E%3Cgrp_id%3Ecdi_FETCH-proquest_journals_20880150963%3C/grp_id%3E%3Coa%3E%3C/oa%3E%3Curl%3E%3C/url%3E&rft_id=info:oai/&rft_pqid=2088015096&rft_id=info:pmid/&rfr_iscdi=true