期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP05(2014)003
关键词
Gauge-gravity correspondence; Supergravity Models
资金
- DOE [DE-SC0007884]
- ERC [HoloLHC-306605]
- Israeli Science Foundation Center of Excellence
- I-CORE program of Planning and Budgeting Committee
- WIMCS
- STFC grant [ST/J000043/1]
- Israel Science Foundation [1937/12]
- [2009-SGR-168]
- [MEC FPA2010-20807-C02-01]
- [MEC FPA2010-20807-C02-02]
- [CPAN CSD2007-00042 Consolider-Ingenio 2010]
- ICREA Funding Source: Custom
- STFC [ST/J00040X/1, ST/G000506/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J00040X/1, ST/G000506/1] Funding Source: researchfish
We consider renormalization group flows between conformal field theories in five (six) dimensions with a string (M-theory) dual. By compactifying on a circle (torus) with appropriate boundary conditions, we obtain continuous families of confining four-dimensional theories parametrized by the ratio Lambda(flow)/Lambda(QCD), with Lambda(flow) the scale at which the flow between fixed points takes place and Lambda(QCD) the confinement scale. We construct the dual geometries explicitly and compute the spectrum of scalar bound states (glueballs). We find a 'universal' subset of states common to all the models. We comment on the modifications of these models, and the corresponding fine-tuning, required for a parametrically light 'dilaton' state to be present. We also comment on some aspects of these theories as probed by extended objects such as strings and branes.
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