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7 papers · 2 filters
Nonperturbative phase diagram of two-dimensional super-Yang--Mills
Navdeep Singh Dhindsa, Raghav G. Jha, Anosh Joseph +1
We consider two-dimensional Yang--Mills theory with gauge group SU() in Euclidean signature compactified on a torus with thermal fermion boundary conditions…
Charmonium and resonances in coupled-channel scattering from lattice QCD
David J. Wilson, Christopher E. Thomas, Jozef J. Dudek +1
In order to explore the spectrum of hidden-charm scalar and tensor resonances, we study meson-meson scattering with in the charmonium energy region using la…
Scalar and tensor charmonium resonances in coupled-channel scattering from QCD
David J. Wilson, Christopher E. Thomas, Jozef J. Dudek +1
We determine and hadron-hadron scattering amplitudes in the charmonium energy region up to 4100 MeV using lattice QCD, a first-principles approach to QCD.…
Toward quantum computations of the model using qumodes
Raghav G. Jha, Felix Ringer, George Siopsis +1
We express the discrete 1+1-dimensional non-linear sigma model (NLM) in a form well-suited for the continuous variable approach to quantum computing. Within the Schwinger…
GPU-Acceleration of Tensor Renormalization with PyTorch using CUDA
Raghav G. Jha, Abhishek Samlodia
We show that numerical computations based on tensor renormalization group (TRG) methods can be significantly accelerated with PyTorch on graphics processing units (GPUs) by leverag…
Determination of crossing-symmetric scattering amplitudes and the quark mass evolution of the constrained by lattice QCD
Arkaitz Rodas, Jozef J. Dudek, Robert G. Edwards
Lattice QCD spectra can be used to constrain partial-wave scattering amplitudes that, while satisfying unitarity, do not have to respect crossing symmetry and analyticity. This bec…