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185 papers · 1 filter
Functional Methods for Heavy Quark Effective Theory
Timothy Cohen, Marat Freytsis, Xiaochuan Lu
We use functional methods to compute one-loop effects in Heavy Quark Effective Theory. The covariant derivative expansion technique facilitates the efficient extraction of matching…
Orthogonal structure and orthogonal series in and on a double cone or a hyperboloid
Yuan Xu
We consider orthogonal polynomials on the surface of a double cone or a hyperboloid of revolution, either finite or infinite in axis direction, and on the solid domain bounded by s…
Vibrational properties of hard and soft spheres are unified at jamming
Francesco Arceri, Eric I. Corwin
The unconventional thermal properties of jammed amorphous solids are directly related to their density of vibrational states. While the vibrational spectrum of jammed soft sphere s…
Convergent Momentum-Space OPE and Bootstrap Equations in Conformal Field Theory
Marc Gillioz, Xiaochuan Lu, Markus A. Luty +1
General principles of quantum field theory imply that there exists an operator product expansion (OPE) for Wightman functions in Minkowski momentum space that converges for arbitra…
Tracing the Dynamical Mass in Galaxy Disks Using HI Velocity Dispersion and its Implications for the Dark Matter Distribution in Galaxies
Mousumi Das, Stacy McGaugh, Roger Ianjamasimanana +2
We present a method to derive the dynamical mass of face-on galaxy disks using their neutral hydrogen (HI) velocity dispersion. We have applied the method to nearby, gas rich galax…
Counting on Short Gamma-Ray Bursts: Gravitational-Wave Constraints of Jet Geometry
Amanda Farah, Reed Essick, Zoheyr Doctor +2
The detection of GW170817 in gravitational waves and gamma rays revealed that short gamma-ray bursts are associated with the merger of neutron-stars. Gamma rays are thought to resu…