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arXiv 0709.0425hep-lat
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猝灭近似下的两种色物质

Two Color Matter in the Quenched Approximation

Pietro Giudice, Simon Hands

摘要:

我们研究了一个4维淬火SU(2)格点规范理论,其中空间规范系综$\{U_i\}$由3维规范-Higgs模型生成,类时连接变量由Higgs场"重构“.利用所得到的系综研究了具有非零化学势$μ$的猝灭夸克的传播。虽然它被证明可以通过改变降维模型的参数来改变夸克间相互作用的强度,但没有证据表明参数空间的任何区域中夸克表现出非受限行为或热力学可观测尺度,就好像存在费米表面一样。

英文摘要:

We study a quenched SU(2) lattice gauge theory in 4d in which the spatial gauge ensemble $\{U_i\}$ is generated from a 3d gauge-Higgs model and the timelike link variables are ``reconstructed'' from the Higgs fields. The resulting ensemble is used to study quenched quark propagation with non-zero chemical potential $μ$. While it proves possible to alter the strength of the inter-quark interaction by changing the parameters of the dimensionally reduced model, there is no evidence for any region of parameter space where quarks exhibit deconfined behaviour or thermodynamic observables scale as if there were a Fermi surface.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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