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arXiv 2609.38649gr-qchep-th

爱因斯坦-欧拉-海森堡黑洞的四极对数潮汐响应:第二电磁不变量的作用

Quadrupolar logarithmic tidal response of Einstein Euler Heisenberg black holes: the role of the second electromagnetic invariant

  • Universidad Católica de Temuco(特木科天主教大学)
  • Universidad Diego Portales(迭戈·波特莱斯大学)
  • Eastern Mediterranean University(东地中海大学)
  • Pontificia Universidad Católica de Valparaíso(瓦爾帕萊索天主教大學)
  • Universidad de La Serena(拉塞雷纳大学)

机构由 AI 辅助整理,请以论文原文为准。

Ramon Becar, P. A. Gonzalez, Ali Ovgun, Joel Saavedra, Yerko Vasquez

AI总结:

该研究通过耦合引力与电磁方程,计算了带电爱因斯坦-欧拉-海森堡黑洞的四极对数潮汐响应,得到一阶运行矩阵,并揭示了第二电磁不变量的作用及四次耦合对轴向通道的影响。

AI中文摘要:

我们从耦合的静态奇宇称引力与电磁方程出发,确定了带电爱因斯坦-欧拉-海森堡黑洞的四极对数潮汐响应。尽管第二电磁不变量在电背景上消失,但其二次相互作用对轴向涨落方程有贡献。在欧拉-海森堡耦合参数 $a$ 的一阶,直接渐近递归给出规范运行矩阵 $C_{\rm can}^{\rm EH}=(9aQ^2/10)\left(\begin{smallmatrix}0&-Q\\\\-Q&M\end{smallmatrix}\right)$,该矩阵定义为在 $r^{-2}\log(r_0/r)$ 项中乘以规范源向量的系数。所得局部系数在此微扰阶保留了亚极端比值 $\frac{Q}{M}$ 的完整依赖。两个四次不变量在两个非零通道中部分抵消,而作用量归一化场使引力电磁互易性显式化。运行矩阵的局部极端极限在约定转换后重现了相应的双不变量有效场论结果。允许独立的四次耦合进一步表明,相同的电背景几何可以具有不同的轴向运行矩阵,并在指定的双算子模型内产生代数逆关系。该计算确定了最小耦合四次电动力学中的局部对数运行;有限视界匹配响应需要额外的全局匹配计算。

英文摘要:

We determine the quadrupolar logarithmic tidal response of electrically charged Einstein-Euler-Heisenberg black holes from the coupled static odd-parity gravitational and electromagnetic equations. Although the second electromagnetic invariant vanishes on the electric background, its quadratic interaction contributes to the axial fluctuation equations. At first order in the Euler-Heisenberg coupling $a$, a direct asymptotic recursion gives the canonical running matrix $C_{\rm can}^{\rm EH}=(9aQ^2/10)\left(\begin{smallmatrix}0&-Q\\-Q&M\end{smallmatrix}\right)$, deffined as the coefficients multiplying the canonical source vector in the $r^{-2}\log(r_0/r)$ term. The resulting local coefficients retain the full dependence on the the subextremal ratio $\frac{Q}{M}$ at this perturbative order. The two quartic invariants partially cancel in both nonzero channels, while the action-normalized fields make gravitoelectromagnetic reciprocity explicit. The local extremal limit of the running matrix reproduces the corresponding two-invariant effective-field-theory result after convention conversion. Allowing independent quartic couplings further shows that identical electric background geometries can have different axial running matrices and yields algebraic inverse relations within the specified two-operator model. The calculation determines local logarithmic running within minimally coupled quartic electrodynamics; the finite horizon-matched response requires an additional global matching calculation.

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