OPE for null Wilson loops and open spin chains
نویسندگان
چکیده
منابع مشابه
Small deformations of supersymmetric Wilson loops and open spin-chains
We study insertions of composite operators into Wilson loops in N = 4 supersymmetric Yang-Mills theory in four dimensions. The loops follow a circular or straight path and the composite insertions transform in the adjoint representation of the gauge group. This provides a gauge invariant way to define the correlator of non-singlet operators. Since the basic loop preserves an SL(2,R) subgroup of...
متن کاملFrom Polygon Wilson Loops to Spin Chains and Back
Null Polygon Wilson Loops in N = 4 SYM can be computed using the Operator Product Expansion in terms of a transition amplitude on top of a color Flux tube. That picture is valid at any value of the ’t Hooft coupling and is studied here in the planar limit. So far it has been efficiently used at weak coupling in cases where only a single particle is flowing. At any finite value of the coupling h...
متن کاملNull Wilson loops with a self-crossing and the Wilson loop/amplitude conjecture
The present study illuminates the relation between null cusped Wilson loops and their corresponding amplitudes. We find that, compared to the case with no selfcrossing, the one loop expectation value of a self-intersecting Wilson loop develops an additional 1/ǫ singularity associated to the intersection. Interestingly, the same 1/ǫ pole exists in the finite part of the one loop amplitude, appea...
متن کاملSemi-classical open string corrections and symmetric Wilson loops
In AdS/CFT correspondence, an AdS2×S D3-brane with electric flux in AdS5× S5 spacetime corresponds to a circular Wilson loop of symmetric representation or a multiply wound one in N = 4 super Yang-Mills theory. In order to distinguish the symmetric loop and the multiply wound loop, one should see an exponentially small correction in large ’t Hooft coupling. We study semi-classically the disk op...
متن کاملWilson loops in the light of spin networks
If G is any finite product of orthogonal, unitary and symplectic matrix groups, then Wilson loops generate a dense subalgebra of continuous observables on the configuration space of lattice gauge theory with structure group G. If G is orthogonal, unitary or symplectic, then Wilson loops associated to the natural representation of G are enough. This extends a result of A. Sengupta [7]. In partic...
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: Physics Letters B
سال: 2012
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2012.02.027