منابع مشابه
Heat Capacity of MgB2: Evidence for Moderately Strong Coupling Behavior
We characterize the superconducting state of a phase pure polycrystalline sample of the new layered high-temperature superconductor MgB2 by specific heat measurements in magnetic fields up to 9 Tesla. The characteristic jump at the superconducting transition is observed and compared with the predictions of weak coupling BCS-theory and the α-model. Our analysis shows excellent agreement with the...
متن کاملStrong Coupling Holography
We show that whenever a 4-dimensional theory with N particle species emerges as a consistent low energy description of a 3-brane embedded in an asymptotically-flat (4 + d)-dimensional space, the holographic scale of high-dimensional gravity sets the strong coupling scale of the 4D theory. This connection persists in the limit in which gravity can be consistently decoupled. We demonstrate this e...
متن کاملThe strong coupling constant
In this paper we fix our attention, on hadron structure, and show that also the strong interaction strength αS, ordinarily called the “(perturbative) coupling–constant square”, can be evaluated within our theory, and found to decrease (increase) as the “distance” r decreases (increases). This yields both the confinement of the hadron constituents, and their asymptotic freedom: in qualitative ag...
متن کاملMatrix at strong coupling
We describe the strong coupling limit (g → ∞) for the Yang– Mills type matrix models. In this limit the dynamics of the model is reduced to one of the diagonal components which is characterized by a linearly confining potential. We also shortly discuss the case of the pure Yang–Mills model in more than one dimension.
متن کاملFunctional Strong Coupling Theory
The vacuum expectation value of the S-matrix is represented, following HORI, as a functional integral and separated according to 5Vac = exp( — i W) f D (p exp( —i / d x L w ) . Now, the functional integral involves only the part L w of the Lagrangian without derivatives and can be easily calculated in lattice space. We propose a graphical scheme which formalizes the action of the operator r = /...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review D
سال: 2008
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.77.056001