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hep-lat2024
Lattice study of disordering of inhomogeneous condensates and the Quantum Pion Liquid in effective model
Marc Winstel, Semeon Valgushev
In this talk, we study a scalar model with a so-called moat regime -- a regime with negative bosonic wave function renormalization -- using lattice field theory. For negativ…
hep-lat2024
Contour deformations for non-holomorphic actions
Scott Lawrence, Semeon Valgushev, Jianan Xiao +1
We show how contour deformations may be used to control the sign problem of lattice Monte Carlo calculations with non-holomorphic actions. Such actions arise naturally in quantum m…