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pro vyhledávání: '"Beşken, Mert"'
Autor:
Besken, Mert
We derive new constraints on the spectrum of two-dimensional conformal field theories with central charge $c>1.$ Employing the pillow representation of the four point correlator of identical scalars with dimension $\Delta_{\mathcal{O}}$ and positivit
Externí odkaz:
http://arxiv.org/abs/2106.08999
Publikováno v:
J. High Energ. Phys. 2021, 148 (2021)
We discuss some general aspects of commutators of local operators in Lorentzian CFTs, which can be obtained from a suitable analytic continuation of the Euclidean operator product expansion (OPE). Commutators only make sense as distributions, and car
Externí odkaz:
http://arxiv.org/abs/2012.15724
Virasoro conformal blocks are expected to exponentiate in the limit of large central charge $c$ and large operator dimensions $h_i$, with the ratios $h_i/c$ held fixed. We prove this by employing the oscillator formulation of the Virasoro algebra and
Externí odkaz:
http://arxiv.org/abs/1910.04169
Publikováno v:
J. Stat. Mech. (2020) 063104
We initiate a systematic study of high energy matrix elements of local operators in 2d CFT. Knowledge of these is required in order to determine whether the eigenstate thermalization hypothesis (ETH) can hold in such theories. Most high energy states
Externí odkaz:
http://arxiv.org/abs/1907.06661
We continue the study of the Wilson line representation of conformal blocks in two-dimensional conformal field theory; these have an alternative interpretation as gravitational Wilson lines in the context of the AdS$_3$/CFT$_2$ correspondence. The gr
Externí odkaz:
http://arxiv.org/abs/1810.00766
We study the self-energy of a gravitating point particle in AdS$_3$, and compare to operator dimensions in CFT$_2$. In particular, we compute the one and two loop diagram contributions to the expectation value of an open Wilson line in the SL(2,R)$\t
Externí odkaz:
http://arxiv.org/abs/1702.06640
We present a simple prescription for computing conformal blocks and correlation functions holographically in AdS$_3$ in terms of Wilson lines merging at a bulk vertex. This is shown to reproduce global conformal blocks and heavy-light Virasoro blocks
Externí odkaz:
http://arxiv.org/abs/1603.07317
Autor:
Besken, Mert, Deger, Nihat Sadik
Publikováno v:
Nucl.Phys. B894 (2015) 328-340
We construct intersections of S-branes with waves and Kaluza-Klein monopoles. There are several possible ways to add a monopole to an S-brane solution similar to p-branes. On the other hand, one may add a wave only to the transverse space of an S-bra
Externí odkaz:
http://arxiv.org/abs/1501.03902
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