CFTs with broken continuous global symmetry on the moduli space require a tower of charged local operators whose scaling dimensions are asymptotically linear in the charge.
Graviscalars from higher-dimensional metrics and curvature-Higgs mixing
2 Pith papers cite this work. Polarity classification is still indexing.
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abstract
We investigate the properties of scalar fields arising from gravity propagating in extra dimensions. In the scenario of large extra dimensions, proposed by Arkani-Hamed, Dimopoulos and Dvali, graviscalar Kaluza-Klein excitations are less important than the spin-2 counterparts in most processes. However, there are important exceptions. The Higgs boson can mix to these particles by coupling to the Ricci scalar. Because of the large number of states involved, this mixing leads, in practice, to a sizeable invisible width for the Higgs. In the Randall-Sundrum scenario, the only graviscalar is the radion. It can be produced copiously at hadron colliders by virtue of its enhanced coupling to two gluons through the trace anomaly of QCD. We study both the production and decay of the radion, and compare it to the Standard Model Higgs boson. Furthermore, we find that radion detectability depends crucially on the curvature-Higgs boson mixing parameter.
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UNVERDICTED 2representative citing papers
Gravitational dark matter candidates with masses in [10^{-3}, 1] eV could produce a measurable effective time variation of the proton mass with future atomic clocks.
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Moduli Spaces in CFT: Large Charge Operators
CFTs with broken continuous global symmetry on the moduli space require a tower of charged local operators whose scaling dimensions are asymptotically linear in the charge.
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On Searches for Gravitational Dark Matter with Quantum Sensors
Gravitational dark matter candidates with masses in [10^{-3}, 1] eV could produce a measurable effective time variation of the proton mass with future atomic clocks.