منابع مشابه
THE SEARCH FOR A HOLOGRAPHIC DUAL TO AdS3×S3×S3×S1
The problem of finding a holographic CFT dual to string theory on AdS3×S×S×S is examined in depth. This background supports a large N = 4 superconformal symmetry. While in some respects similar to the familiar small N = 4 systems on AdS3 × S3 ×K3 and AdS3 ×S3 ×T 4, there are important qualitative differences. Using an analog of the elliptic genus for large N = 4 theories we rule out all extant ...
متن کاملD-branes in Lorentzian AdS3
We study the exact construction of D-branes in Lorentzian AdS3. We start by defining a family of conformal field theories that gives a natural Euclidean version of the SL(2,R) CFT and does not correspond to H3 , the analytic continuation of AdS3. We argue that one can recuperate the exact CFT results of Lorentzian AdS3, upon an analytic continuation in the moduli space of these conformal field ...
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We construct boundary states representing D-strings in AdS3. These wrap twisted conjugacy classes of SL(2, IR), and the boundary states are therefore based on continuous representations only. We check Cardy’s condition and find a consistent open string spectrum. The open string spectrum on all the D-branes is the same.
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We study D-branes that preserve a diagonal SL(2) affine Lie algebra in string theory on AdS3. We find three classes of solutions, corresponding to the following representations of SL(2): (1) degenerate, finite dimensional representations with half integer spin, (2) principal continuous series, (3) principal discrete series. We solve the bootstrap equations for the vacuum wave functions and disc...
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We sought to characterize WPEC by quantifying per-hour log-fold change. To do so, we regressed the log gene expression on time (hour) and extracted the linear slope. For genes with monotonically increasing or decreasing expression trajectories, the utility of our WPEC measure to discriminate is obvious. Our WPEC measure can also discriminate with more complex trajectories which may be reflectiv...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2000
ISSN: 1029-8479
DOI: 10.1088/1126-6708/2000/04/005